ruoyi后台管理系统分析（一）-----common包

ruoyi后台管理系统框架：

 

接下来我们，边看代码边分析代码：

一、common包

----constant包

constant.java---------通用常量信息

package com.ruoyi.common.constant;

/**
 * 通用常量信息
 * 
 * @author ruoyi
 */
public class Constants
{
    /**
     * UTF-8 字符集
     */
    public static final String UTF8 = "UTF-8";

    /**
     * 通用成功标识
     */
    public static final String SUCCESS = "0";

    /**
     * 通用失败标识
     */
    public static final String FAIL = "1";

    /**
     * 登录成功
     */
    public static final String LOGIN_SUCCESS = "Success";

    /**
     * 注销
     */
    public static final String LOGOUT = "Logout";

    /**
     * 登录失败
     */
    public static final String LOGIN_FAIL = "Error";

    /**
     * 自动去除表前缀
     */
    public static String AUTO_REOMVE_PRE = "true";

    /**
     * 当前记录起始索引
     */
    public static String PAGE_NUM = "pageNum";

    /**
     * 每页显示记录数
     */
    public static String PAGE_SIZE = "pageSize";

    /**
     * 排序列
     */
    public static String ORDER_BY_COLUMN = "orderByColumn";

    /**
     * 排序的方向 "desc" 或者 "asc".
     */
    public static String IS_ASC = "isAsc";
}      

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PermissionConstants.java-----------权限通用常量

1 package com.ruoyi.common.constant;
 2 
 3 /**
 4  * 权限通用常量
 5  * 
 6  * @author ruoyi
 7  */
 8 public class PermissionConstants
 9 {
10     /** 新增权限 */
11     public static final String ADD_PERMISSION = "add";
12 
13     /** 修改权限 */
14     public static final String EDIT_PERMISSION = "edit";
15 
16     /** 删除权限 */
17     public static final String REMOVE_PERMISSION = "remove";
18     
19     /** 导出权限 */
20     public static final String EXPORT_PERMISSION = "export";
21 
22     /** 显示权限 */
23     public static final String VIEW_PERMISSION = "view";
24 
25     /** 查询权限 */
26     public static final String LIST_PERMISSION = "list";
27 }      

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ScheduleConstants.java------------------任务调度通用常量

1 package com.ruoyi.common.constant;
 2 
 3 /**
 4  * 任务调度通用常量
 5  * 
 6  * @author ruoyi
 7  */
 8 public interface ScheduleConstants
 9 {
10     public static final String TASK_CLASS_NAME = "__TASK_CLASS_NAME__";
11 
12     public static final String TASK_PROPERTIES = "__TASK_PROPERTIES__";
13 
14     /** 默认 */
15     public static final String MISFIRE_DEFAULT = "0";
16 
17     /** 立即触发执行 */
18     public static final String MISFIRE_IGNORE_MISFIRES = "1";
19 
20     /** 触发一次执行 */
21     public static final String MISFIRE_FIRE_AND_PROCEED = "2";
22 
23     /** 不触发立即执行 */
24     public static final String MISFIRE_DO_NOTHING = "3";
25 
26     public enum Status
27     {
28         /**
29          * 正常
30          */
31         NORMAL("0"),
32         /**
33          * 暂停
34          */
35         PAUSE("1");
36 
37         private String value;
38 
39         private Status(String value)
40         {
41             this.value = value;
42         }
43 
44         public String getValue()
45         {
46             return value;
47         }
48     }
49 }      

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ShiroConstants.java-----------shiro通用常量

1 package com.ruoyi.common.constant;
 2 
 3 /**
 4  * Shiro通用常量
 5  * 
 6  * @author ruoyi
 7  */
 8 public interface ShiroConstants
 9 {
10     /**
11      * 当前登录的用户
12      */
13     public static final String CURRENT_USER = "currentUser";
14 
15     /**
16      * 用户名
17      */
18     public static final String CURRENT_USERNAME = "username";
19 
20     /**
21      * 消息key
22      */
23     public static String MESSAGE = "message";
24 
25     /**
26      * 错误key
27      */
28     public static String ERROR = "errorMsg";
29 
30     /**
31      * 编码格式
32      */
33     public static String ENCODING = "UTF-8";
34 
35     /**
36      * 当前在线会话
37      */
38     public String ONLINE_SESSION = "online_session";
39 
40     /**
41      * 验证码key
42      */
43     public static final String CURRENT_CAPTCHA = "captcha";
44 
45     /**
46      * 验证码开关
47      */
48     public static final String CURRENT_ENABLED = "captchaEnabled";
49 
50     /**
51      * 验证码开关
52      */
53     public static final String CURRENT_TYPE = "captchaType";
54 
55     /**
56      * 验证码
57      */
58     public static final String CURRENT_VALIDATECODE = "validateCode";
59 
60     /**
61      * 验证码错误
62      */
63     public static final String CAPTCHA_ERROR = "captchaError";
64 }      

View Code

UserConstants.java--------------用户常量信息

package com.ruoyi.common.constant;

/**
 * 用户常量信息
 * 
 * @author ruoyi
 */
public class UserConstants
{
    /** 正常状态 */
    public static final String NORMAL = "0";

    /** 异常状态 */
    public static final String EXCEPTION = "1";

    /** 用户封禁状态 */
    public static final String USER_BLOCKED = "1";

    /** 角色封禁状态 */
    public static final String ROLE_BLOCKED = "1";

    /** 部门正常状态 */
    public static final String DEPT_NORMAL = "0";

    /**
     * 用户名长度限制
     */
    public static final int USERNAME_MIN_LENGTH = 2;
    public static final int USERNAME_MAX_LENGTH = 20;

    /** 登录名称是否唯一的返回结果码 */
    public final static String USER_NAME_UNIQUE = "0";
    public final static String USER_NAME_NOT_UNIQUE = "1";

    /** 手机号码是否唯一的返回结果 */
    public final static String USER_PHONE_UNIQUE = "0";
    public final static String USER_PHONE_NOT_UNIQUE = "1";

    /** e-mail 是否唯一的返回结果 */
    public final static String USER_EMAIL_UNIQUE = "0";
    public final static String USER_EMAIL_NOT_UNIQUE = "1";

    /** 部门名称是否唯一的返回结果码 */
    public final static String DEPT_NAME_UNIQUE = "0";
    public final static String DEPT_NAME_NOT_UNIQUE = "1";

    /** 角色名称是否唯一的返回结果码 */
    public final static String ROLE_NAME_UNIQUE = "0";
    public final static String ROLE_NAME_NOT_UNIQUE = "1";

    /** 岗位名称是否唯一的返回结果码 */
    public final static String POST_NAME_UNIQUE = "0";
    public final static String POST_NAME_NOT_UNIQUE = "1";

    /** 角色权限是否唯一的返回结果码 */
    public final static String ROLE_KEY_UNIQUE = "0";
    public final static String ROLE_KEY_NOT_UNIQUE = "1";

    /** 岗位编码是否唯一的返回结果码 */
    public final static String POST_CODE_UNIQUE = "0";
    public final static String POST_CODE_NOT_UNIQUE = "1";

    /** 菜单名称是否唯一的返回结果码 */
    public final static String MENU_NAME_UNIQUE = "0";
    public final static String MENU_NAME_NOT_UNIQUE = "1";

    /** 字典类型是否唯一的返回结果码 */
    public final static String DICT_TYPE_UNIQUE = "0";
    public final static String DICT_TYPE_NOT_UNIQUE = "1";

    /** 参数键名是否唯一的返回结果码 */
    public final static String CONFIG_KEY_UNIQUE = "0";
    public final static String CONFIG_KEY_NOT_UNIQUE = "1";

    /**
     * 密码长度限制
     */
    public static final int PASSWORD_MIN_LENGTH = 5;
    public static final int PASSWORD_MAX_LENGTH = 20;

    /**
     * 手机号码格式限制
     */
    public static final String MOBILE_PHONE_NUMBER_PATTERN = "^0{0,1}(13[0-9]|15[0-9]|14[0-9]|18[0-9])[0-9]{8}$";

    /**
     * 邮箱格式限制
     */
    public static final String EMAIL_PATTERN = "^((([a-z]|\\d|[!#\\$%&\'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])+(\\.([a-z]|\\d|[!#\\$%&\'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])+)*)|((\\x22)((((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(([\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f]|\\x21|[\\x23-\\x5b]|[\\x5d-\\x7e]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])|(\\\\([\\x01-\\x09\\x0b\\x0c\\x0d-\\x7f]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]))))*(((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(\\x22)))@((([a-z]|\\d|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])|(([a-z]|\\d|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])([a-z]|\\d|-|\\.|_|~|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])*([a-z]|\\d|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])))\\.)+(([a-z]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])|(([a-z]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])([a-z]|\\d|-|\\.|_|~|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])*([a-z]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])))\\.?";
}      

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--exception包

-----file包----文件异常处理类

FileNameLengthLimitExceededException.java---------文件长度过长异常      

package com.ruoyi.common.exception.file;

import org.apache.commons.fileupload.FileUploadException;

/**
 * 文件名超长 误异常类
 * 
 * @author ruoyi
 */
public class FileNameLengthLimitExceededException extends FileUploadException
{
    private static final long serialVersionUID = 1L;
    private int length;
    private int maxLength;
    private String filename;

    public FileNameLengthLimitExceededException(String filename, int length, int maxLength)
    {
        super("file name : [" + filename + "], length : [" + length + "], max length : [" + maxLength + "]");
        this.length = length;
        this.maxLength = maxLength;
        this.filename = filename;
    }

    public String getFilename()
    {
        return filename;
    }

    public int getLength()
    {
        return length;
    }

    public int getMaxLength()
    {
        return maxLength;
    }
}      

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InvalidExtensionException.java-------------文件上传异常      

package com.ruoyi.common.exception.file;

import java.util.Arrays;
import org.apache.commons.fileupload.FileUploadException;

/**
 * 文件上传 误异常类
 * 
 * @author ruoyi
 */
public class InvalidExtensionException extends FileUploadException
{
    private static final long serialVersionUID = 1L;

    private String[] allowedExtension;
    private String extension;
    private String filename;

    public InvalidExtensionException(String[] allowedExtension, String extension, String filename)
    {
        super("filename : [" + filename + "], extension : [" + extension + "], allowed extension : [" + Arrays.toString(allowedExtension) + "]");
        this.allowedExtension = allowedExtension;
        this.extension = extension;
        this.filename = filename;
    }

    public String[] getAllowedExtension()
    {
        return allowedExtension;
    }

    public String getExtension()
    {
        return extension;
    }

    public String getFilename()
    {
        return filename;
    }

    public static class InvalidImageExtensionException extends InvalidExtensionException
    {
        private static final long serialVersionUID = 1L;

        public InvalidImageExtensionException(String[] allowedExtension, String extension, String filename)
        {
            super(allowedExtension, extension, filename);
        }
    }

    public static class InvalidFlashExtensionException extends InvalidExtensionException
    {
        private static final long serialVersionUID = 1L;

        public InvalidFlashExtensionException(String[] allowedExtension, String extension, String filename)
        {
            super(allowedExtension, extension, filename);
        }
    }

    public static class InvalidMediaExtensionException extends InvalidExtensionException
    {
        private static final long serialVersionUID = 1L;

        public InvalidMediaExtensionException(String[] allowedExtension, String extension, String filename)
        {
            super(allowedExtension, extension, filename);
        }
    }
}      

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------job包

TaskException.java-------计划策略异常类      

1 package com.ruoyi.common.exception.job;
 2 
 3 /**
 4  * 计划策略异常
 5  * 
 6  * @author ruoyi
 7  */
 8 public class TaskException extends Exception
 9 {
10     private static final long serialVersionUID = 1L;
11 
12     private Code code;
13 
14     public TaskException(String msg, Code code)
15     {
16         this(msg, code, null);
17     }
18 
19     public TaskException(String msg, Code code, Exception nestedEx)
20     {
21         super(msg, nestedEx);
22         this.code = code;
23     }
24 
25     public Code getCode()
26     {
27         return code;
28     }
29 
30     public enum Code
31     {
32         TASK_EXISTS, NO_TASK_EXISTS, TASK_ALREADY_STARTED, UNKNOWN, CONFIG_ERROR, TASK_NODE_NOT_AVAILABLE
33     }
34 }      

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-----------------------------
DemoModeException.java-------演示模式异常      

package com.ruoyi.common.exception;

/**
 * 演示模式异常
 * 
 * @author ruoyi
 */
public class DemoModeException extends RuntimeException
{
    private static final long serialVersionUID = 1L;

    public DemoModeException()
    {
    }
}      

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RRException.java--------自定义异常      

package com.ruoyi.common.exception;

/**
 * 自定义异常
 * 
 */
public class RRException extends RuntimeException {
    private static final long serialVersionUID = 1L;
    
    private String msg;
    private int code = 500;
    
    public RRException(String msg) {
        super(msg);
        this.msg = msg;
    }
    
    public RRException(String msg, Throwable e) {
        super(msg, e);
        this.msg = msg;
    }
    
    public RRException(String msg, int code) {
        super(msg);
        this.msg = msg;
        this.code = code;
    }
    
    public RRException(String msg, int code, Throwable e) {
        super(msg, e);
        this.msg = msg;
        this.code = code;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public int getCode() {
        return code;
    }

    public void setCode(int code) {
        this.code = code;
    }
    
    
}      

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------support包

CharsetKit.java-------字符集工具类      

package com.ruoyi.common.support;

import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import com.ruoyi.common.utils.StringUtils;

/**
 * 字符集工具类
 * 
 * @author ruoyi
 */
public class CharsetKit
{
    /** ISO-8859-1 */
    public static final String ISO_8859_1 = "ISO-8859-1";
    /** UTF-8 */
    public static final String UTF_8 = "UTF-8";
    /** GBK */
    public static final String GBK = "GBK";

    /** ISO-8859-1 */
    public static final Charset CHARSET_ISO_8859_1 = Charset.forName(ISO_8859_1);
    /** UTF-8 */
    public static final Charset CHARSET_UTF_8 = Charset.forName(UTF_8);
    /** GBK */
    public static final Charset CHARSET_GBK = Charset.forName(GBK);

    /**
     * 转换为Charset对象
     * 
     * @param charset 字符集，为空则返回默认字符集
     * @return Charset
     */
    public static Charset charset(String charset)
    {
        return StringUtils.isEmpty(charset) ? Charset.defaultCharset() : Charset.forName(charset);
    }

    /**
     * 转换字符串的字符集编码
     * 
     * @param source 字符串
     * @param srcCharset 源字符集，默认ISO-8859-1
     * @param destCharset 目标字符集，默认UTF-8
     * @return 转换后的字符集
     */
    public static String convert(String source, String srcCharset, String destCharset)
    {
        return convert(source, Charset.forName(srcCharset), Charset.forName(destCharset));
    }

    /**
     * 转换字符串的字符集编码
     * 
     * @param source 字符串
     * @param srcCharset 源字符集，默认ISO-8859-1
     * @param destCharset 目标字符集，默认UTF-8
     * @return 转换后的字符集
     */
    public static String convert(String source, Charset srcCharset, Charset destCharset)
    {
        if (null == srcCharset)
        {
            srcCharset = StandardCharsets.ISO_8859_1;
        }

        if (null == destCharset)
        {
            srcCharset = StandardCharsets.UTF_8;
        }

        if (StringUtils.isEmpty(source) || srcCharset.equals(destCharset))
        {
            return source;
        }
        return new String(source.getBytes(srcCharset), destCharset);
    }

    /**
     * @return 系统字符集编码
     */
    public static String systemCharset()
    {
        return Charset.defaultCharset().name();
    }
}      

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Convert.java-----------类型转换器      

package com.ruoyi.common.support;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.text.NumberFormat;
import java.util.Set;
import com.ruoyi.common.utils.StringUtils;

/**
 * 类型转换器
 * 
 * @author ruoyi
 */
public class Convert
{
    /**
     * 转换为字符串<br>
     * 如果给定的值为null，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static String toStr(Object value, String defaultValue)
    {
        if (null == value)
        {
            return defaultValue;
        }
        if (value instanceof String)
        {
            return (String) value;
        }
        return value.toString();
    }

    /**
     * 转换为字符串<br>
     * 如果给定的值为<code>null</code>，或者转换失败，返回默认值<code>null</code><br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static String toStr(Object value)
    {
        return toStr(value, null);
    }

    /**
     * 转换为字符<br>
     * 如果给定的值为null，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static Character toChar(Object value, Character defaultValue)
    {
        if (null == value)
        {
            return defaultValue;
        }
        if (value instanceof Character)
        {
            return (Character) value;
        }

        final String valueStr = toStr(value, null);
        return StringUtils.isEmpty(valueStr) ? defaultValue : valueStr.charAt(0);
    }

    /**
     * 转换为字符<br>
     * 如果给定的值为<code>null</code>，或者转换失败，返回默认值<code>null</code><br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static Character toChar(Object value)
    {
        return toChar(value, null);
    }

    /**
     * 转换为byte<br>
     * 如果给定的值为<code>null</code>，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static Byte toByte(Object value, Byte defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (value instanceof Byte)
        {
            return (Byte) value;
        }
        if (value instanceof Number)
        {
            return ((Number) value).byteValue();
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return Byte.parseByte(valueStr);
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /**
     * 转换为byte<br>
     * 如果给定的值为<code>null</code>，或者转换失败，返回默认值<code>null</code><br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static Byte toByte(Object value)
    {
        return toByte(value, null);
    }

    /**
     * 转换为Short<br>
     * 如果给定的值为<code>null</code>，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static Short toShort(Object value, Short defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (value instanceof Short)
        {
            return (Short) value;
        }
        if (value instanceof Number)
        {
            return ((Number) value).shortValue();
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return Short.parseShort(valueStr.trim());
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /**
     * 转换为Short<br>
     * 如果给定的值为<code>null</code>，或者转换失败，返回默认值<code>null</code><br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static Short toShort(Object value)
    {
        return toShort(value, null);
    }

    /**
     * 转换为Number<br>
     * 如果给定的值为空，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static Number toNumber(Object value, Number defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (value instanceof Number)
        {
            return (Number) value;
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return NumberFormat.getInstance().parse(valueStr);
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /**
     * 转换为Number<br>
     * 如果给定的值为空，或者转换失败，返回默认值<code>null</code><br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static Number toNumber(Object value)
    {
        return toNumber(value, null);
    }

    /**
     * 转换为int<br>
     * 如果给定的值为空，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static Integer toInt(Object value, Integer defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (value instanceof Integer)
        {
            return (Integer) value;
        }
        if (value instanceof Number)
        {
            return ((Number) value).intValue();
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return Integer.parseInt(valueStr.trim());
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /**
     * 转换为int<br>
     * 如果给定的值为<code>null</code>，或者转换失败，返回默认值<code>null</code><br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static Integer toInt(Object value)
    {
        return toInt(value, null);
    }

    /**
     * 转换为Integer数组<br>
     * 
     * @param split 被转换的值
     * @return 结果
     */
    public static Integer[] toIntArray(String str)
    {
        return toIntArray(",", str);
    }

    /**
     * 转换为Long数组<br>
     * 
     * @param split 被转换的值
     * @return 结果
     */
    public static Long[] toLongArray(String str)
    {
        return toLongArray(",", str);
    }

    /**
     * 转换为Integer数组<br>
     * 
     * @param split 分隔符
     * @param split 被转换的值
     * @return 结果
     */
    public static Integer[] toIntArray(String split, String str)
    {
        if (StringUtils.isEmpty(str))
        {
            return new Integer[] {};
        }
        String[] arr = str.split(split);
        final Integer[] ints = new Integer[arr.length];
        for (int i = 0; i < arr.length; i++)
        {
            final Integer v = toInt(arr[i], 0);
            ints[i] = v;
        }
        return ints;
    }

    /**
     * 转换为Long数组<br>
     * 
     * @param isIgnoreConvertError 是否忽略转换错误，忽略则给值null
     * @param values 被转换的值
     * @return 结果
     */
    public static Long[] toLongArray(String split, String str)
    {
        if (StringUtils.isEmpty(str))
        {
            return new Long[] {};
        }
        String[] arr = str.split(split);
        final Long[] longs = new Long[arr.length];
        for (int i = 0; i < arr.length; i++)
        {
            final Long v = toLong(arr[i], null);
            longs[i] = v;
        }
        return longs;
    }

    /**
     * 转换为String数组<br>
     * 
     * @param split 被转换的值
     * @return 结果
     */
    public static String[] toStrArray(String str)
    {
        return toStrArray(",", str);
    }

    /**
     * 转换为String数组<br>
     * 
     * @param split 分隔符
     * @param split 被转换的值
     * @return 结果
     */
    public static String[] toStrArray(String split, String str)
    {
        return str.split(split);
    }

    /**
     * 转换为long<br>
     * 如果给定的值为空，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static Long toLong(Object value, Long defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (value instanceof Long)
        {
            return (Long) value;
        }
        if (value instanceof Number)
        {
            return ((Number) value).longValue();
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            // 支持科学计数法
            return new BigDecimal(valueStr.trim()).longValue();
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /**
     * 转换为long<br>
     * 如果给定的值为<code>null</code>，或者转换失败，返回默认值<code>null</code><br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static Long toLong(Object value)
    {
        return toLong(value, null);
    }

    /**
     * 转换为double<br>
     * 如果给定的值为空，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static Double toDouble(Object value, Double defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (value instanceof Double)
        {
            return (Double) value;
        }
        if (value instanceof Number)
        {
            return ((Number) value).doubleValue();
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            // 支持科学计数法
            return new BigDecimal(valueStr.trim()).doubleValue();
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /**
     * 转换为double<br>
     * 如果给定的值为空，或者转换失败，返回默认值<code>null</code><br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static Double toDouble(Object value)
    {
        return toDouble(value, null);
    }

    /**
     * 转换为Float<br>
     * 如果给定的值为空，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static Float toFloat(Object value, Float defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (value instanceof Float)
        {
            return (Float) value;
        }
        if (value instanceof Number)
        {
            return ((Number) value).floatValue();
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return Float.parseFloat(valueStr.trim());
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /**
     * 转换为Float<br>
     * 如果给定的值为空，或者转换失败，返回默认值<code>null</code><br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static Float toFloat(Object value)
    {
        return toFloat(value, null);
    }

    /**
     * 转换为boolean<br>
     * String支持的值为：true、false、yes、ok、no，1,0 如果给定的值为空，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static Boolean toBool(Object value, Boolean defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (value instanceof Boolean)
        {
            return (Boolean) value;
        }
        String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        valueStr = valueStr.trim().toLowerCase();
        switch (valueStr)
        {
            case "true":
                return true;
            case "false":
                return false;
            case "yes":
                return true;
            case "ok":
                return true;
            case "no":
                return false;
            case "1":
                return true;
            case "0":
                return false;
            default:
                return defaultValue;
        }
    }

    /**
     * 转换为boolean<br>
     * 如果给定的值为空，或者转换失败，返回默认值<code>null</code><br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static Boolean toBool(Object value)
    {
        return toBool(value, null);
    }

    /**
     * 转换为Enum对象<br>
     * 如果给定的值为空，或者转换失败，返回默认值<br>
     * 
     * @param clazz Enum的Class
     * @param value 值
     * @param defaultValue 默认值
     * @return Enum
     */
    public static <E extends Enum<E>> E toEnum(Class<E> clazz, Object value, E defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (clazz.isAssignableFrom(value.getClass()))
        {
            @SuppressWarnings("unchecked")
            E myE = (E) value;
            return myE;
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return Enum.valueOf(clazz, valueStr);
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /**
     * 转换为Enum对象<br>
     * 如果给定的值为空，或者转换失败，返回默认值<code>null</code><br>
     * 
     * @param clazz Enum的Class
     * @param value 值
     * @return Enum
     */
    public static <E extends Enum<E>> E toEnum(Class<E> clazz, Object value)
    {
        return toEnum(clazz, value, null);
    }

    /**
     * 转换为BigInteger<br>
     * 如果给定的值为空，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static BigInteger toBigInteger(Object value, BigInteger defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (value instanceof BigInteger)
        {
            return (BigInteger) value;
        }
        if (value instanceof Long)
        {
            return BigInteger.valueOf((Long) value);
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return new BigInteger(valueStr);
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /**
     * 转换为BigInteger<br>
     * 如果给定的值为空，或者转换失败，返回默认值<code>null</code><br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static BigInteger toBigInteger(Object value)
    {
        return toBigInteger(value, null);
    }

    /**
     * 转换为BigDecimal<br>
     * 如果给定的值为空，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @param defaultValue 转换错误时的默认值
     * @return 结果
     */
    public static BigDecimal toBigDecimal(Object value, BigDecimal defaultValue)
    {
        if (value == null)
        {
            return defaultValue;
        }
        if (value instanceof BigDecimal)
        {
            return (BigDecimal) value;
        }
        if (value instanceof Long)
        {
            return new BigDecimal((Long) value);
        }
        if (value instanceof Double)
        {
            return new BigDecimal((Double) value);
        }
        if (value instanceof Integer)
        {
            return new BigDecimal((Integer) value);
        }
        final String valueStr = toStr(value, null);
        if (StringUtils.isEmpty(valueStr))
        {
            return defaultValue;
        }
        try
        {
            return new BigDecimal(valueStr);
        }
        catch (Exception e)
        {
            return defaultValue;
        }
    }

    /**
     * 转换为BigDecimal<br>
     * 如果给定的值为空，或者转换失败，返回默认值<br>
     * 转换失败不会报错
     * 
     * @param value 被转换的值
     * @return 结果
     */
    public static BigDecimal toBigDecimal(Object value)
    {
        return toBigDecimal(value, null);
    }

    /**
     * 将对象转为字符串<br>
     * 1、Byte数组和ByteBuffer会被转换为对应字符串的数组 2、对象数组会调用Arrays.toString方法
     * 
     * @param obj 对象
     * @return 字符串
     */
    public static String utf8Str(Object obj)
    {
        return str(obj, CharsetKit.CHARSET_UTF_8);
    }

    /**
     * 将对象转为字符串<br>
     * 1、Byte数组和ByteBuffer会被转换为对应字符串的数组 2、对象数组会调用Arrays.toString方法
     * 
     * @param obj 对象
     * @param charsetName 字符集
     * @return 字符串
     */
    public static String str(Object obj, String charsetName)
    {
        return str(obj, Charset.forName(charsetName));
    }

    /**
     * 将对象转为字符串<br>
     * 1、Byte数组和ByteBuffer会被转换为对应字符串的数组 2、对象数组会调用Arrays.toString方法
     * 
     * @param obj 对象
     * @param charset 字符集
     * @return 字符串
     */
    public static String str(Object obj, Charset charset)
    {
        if (null == obj)
        {
            return null;
        }

        if (obj instanceof String)
        {
            return (String) obj;
        }
        else if (obj instanceof byte[] || obj instanceof Byte[])
        {
            return str((Byte[]) obj, charset);
        }
        else if (obj instanceof ByteBuffer)
        {
            return str((ByteBuffer) obj, charset);
        }
        return obj.toString();
    }

    /**
     * 将byte数组转为字符串
     * 
     * @param bytes byte数组
     * @param charset 字符集
     * @return 字符串
     */
    public static String str(byte[] bytes, String charset)
    {
        return str(bytes, StringUtils.isEmpty(charset) ? Charset.defaultCharset() : Charset.forName(charset));
    }

    /**
     * 解码字节码
     * 
     * @param data 字符串
     * @param charset 字符集，如果此字段为空，则解码的结果取决于平台
     * @return 解码后的字符串
     */
    public static String str(byte[] data, Charset charset)
    {
        if (data == null)
        {
            return null;
        }

        if (null == charset)
        {
            return new String(data);
        }
        return new String(data, charset);
    }

    /**
     * 将编码的byteBuffer数据转换为字符串
     * 
     * @param data 数据
     * @param charset 字符集，如果为空使用当前系统字符集
     * @return 字符串
     */
    public static String str(ByteBuffer data, String charset)
    {
        if (data == null)
        {
            return null;
        }

        return str(data, Charset.forName(charset));
    }

    /**
     * 将编码的byteBuffer数据转换为字符串
     * 
     * @param data 数据
     * @param charset 字符集，如果为空使用当前系统字符集
     * @return 字符串
     */
    public static String str(ByteBuffer data, Charset charset)
    {
        if (null == charset)
        {
            charset = Charset.defaultCharset();
        }
        return charset.decode(data).toString();
    }

    // ----------------------------------------------------------------------- 全角半角转换
    /**
     * 半角转全角
     * 
     * @param input String.
     * @return 全角字符串.
     */
    public static String toSBC(String input)
    {
        return toSBC(input, null);
    }

    /**
     * 半角转全角
     * 
     * @param input String
     * @param notConvertSet 不替换的字符集合
     * @return 全角字符串.
     */
    public static String toSBC(String input, Set<Character> notConvertSet)
    {
        char c[] = input.toCharArray();
        for (int i = 0; i < c.length; i++)
        {
            if (null != notConvertSet && notConvertSet.contains(c[i]))
            {
                // 跳过不替换的字符
                continue;
            }

            if (c[i] == \' \')
            {
                c[i] = \'\u3000\';
            }
            else if (c[i] < \'\177\')
            {
                c[i] = (char) (c[i] + 65248);

            }
        }
        return new String(c);
    }

    /**
     * 全角转半角
     * 
     * @param input String.
     * @return 半角字符串
     */
    public static String toDBC(String input)
    {
        return toDBC(input, null);
    }

    /**
     * 替换全角为半角
     * 
     * @param text 文本
     * @param notConvertSet 不替换的字符集合
     * @return 替换后的字符
     */
    public static String toDBC(String text, Set<Character> notConvertSet)
    {
        char c[] = text.toCharArray();
        for (int i = 0; i < c.length; i++)
        {
            if (null != notConvertSet && notConvertSet.contains(c[i]))
            {
                // 跳过不替换的字符
                continue;
            }

            if (c[i] == \'\u3000\')
            {
                c[i] = \' \';
            }
            else if (c[i] > \'\uFF00\' && c[i] < \'\uFF5F\')
            {
                c[i] = (char) (c[i] - 65248);
            }
        }
        String returnString = new String(c);

        return returnString;
    }

    /**
     * 数字金额大写转换 先写个完整的然后将如零拾替换成零
     * 
     * @param n 数字
     * @return 中文大写数字
     */
    public static String digitUppercase(double n)
    {
        String[] fraction = { "角", "分" };
        String[] digit = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };
        String[][] unit = { { "元", "万", "亿" }, { "", "拾", "佰", "仟" } };

        String head = n < 0 ? "负" : "";
        n = Math.abs(n);

        String s = "";
        for (int i = 0; i < fraction.length; i++)
        {
            s += (digit[(int) (Math.floor(n * 10 * Math.pow(10, i)) % 10)] + fraction[i]).replaceAll("(零.)+", "");
        }
        if (s.length() < 1)
        {
            s = "整";
        }
        int integerPart = (int) Math.floor(n);

        for (int i = 0; i < unit[0].length && integerPart > 0; i++)
        {
            String p = "";
            for (int j = 0; j < unit[1].length && n > 0; j++)
            {
                p = digit[integerPart % 10] + unit[1][j] + p;
                integerPart = integerPart / 10;
            }
            s = p.replaceAll("(零.)*零$", "").replaceAll("^$", "零") + unit[0][i] + s;
        }
        return head + s.replaceAll("(零.)*零元", "元").replaceFirst("(零.)+", "").replaceAll("(零.)+", "零").replaceAll("^整$", "零元整");
    }
}      

View Code

StrFormatter.java---------字符串格式化      

package com.ruoyi.common.support;

import com.ruoyi.common.utils.StringUtils;

/**
 * 字符串格式化
 *
 * @author ruoyi
 */
public class StrFormatter
{
    public static final String EMPTY_JSON = "{}";
    public static final char C_BACKSLASH = \'\\\';
    public static final char C_DELIM_START = \'{\';
    public static final char C_DELIM_END = \'}\';

    /**
     * 格式化字符串<br>
     * 此方法只是简单将占位符 {} 按照顺序替换为参数<br>
     * 如果想输出 {} 使用 \\转义 { 即可，如果想输出 {} 之前的 \ 使用双转义符 \\\\ 即可<br>
     * 例：<br>
     * 通常使用：format("this is {} for {}", "a", "b") -> this is a for b<br>
     * 转义{}： format("this is \\{} for {}", "a", "b") -> this is \{} for a<br>
     * 转义\： format("this is \\\\{} for {}", "a", "b") -> this is \a for b<br>
     * 
     * @param strPattern 字符串模板
     * @param argArray 参数列表
     * @return 结果
     */
    public static String format(final String strPattern, final Object... argArray)
    {
        if (StringUtils.isEmpty(strPattern) || StringUtils.isEmpty(argArray))
        {
            return strPattern;
        }
        final int strPatternLength = strPattern.length();

        // 初始化定义好的长度以获得更好的性能
        StringBuilder sbuf = new StringBuilder(strPatternLength + 50);

        int handledPosition = 0;
        int delimIndex;// 占位符所在位置
        for (int argIndex = 0; argIndex < argArray.length; argIndex++)
        {
            delimIndex = strPattern.indexOf(EMPTY_JSON, handledPosition);
            if (delimIndex == -1)
            {
                if (handledPosition == 0)
                {
                    return strPattern;
                }
                else
                { // 字符串模板剩余部分不再包含占位符，加入剩余部分后返回结果
                    sbuf.append(strPattern, handledPosition, strPatternLength);
                    return sbuf.toString();
                }
            }
            else
            {
                if (delimIndex > 0 && strPattern.charAt(delimIndex - 1) == C_BACKSLASH)
                {
                    if (delimIndex > 1 && strPattern.charAt(delimIndex - 2) == C_BACKSLASH)
                    {
                        // 转义符之前还有一个转义符，占位符依旧有效
                        sbuf.append(strPattern, handledPosition, delimIndex - 1);
                        sbuf.append(Convert.utf8Str(argArray[argIndex]));
                        handledPosition = delimIndex + 2;
                    }
                    else
                    {
                        // 占位符被转义
                        argIndex--;
                        sbuf.append(strPattern, handledPosition, delimIndex - 1);
                        sbuf.append(C_DELIM_START);
                        handledPosition = delimIndex + 1;
                    }
                }
                else
                {
                    // 正常占位符
                    sbuf.append(strPattern, handledPosition, delimIndex);
                    sbuf.append(Convert.utf8Str(argArray[argIndex]));
                    handledPosition = delimIndex + 2;
                }
            }
        }
        // 加入最后一个占位符后所有的字符
        sbuf.append(strPattern, handledPosition, strPattern.length());

        return sbuf.toString();
    }
}      

View Code

 

-utils包

------bean包

BeanUtils.java-------Bean工具类      

package com.ruoyi.common.utils.bean;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Bean 工具类
 * 
 * @author ruoyi
 */
public class BeanUtils
{
    /** Bean方法名中属性名开始的下标 */
    private static final int BEAN_METHOD_PROP_INDEX = 3;

    /** * 匹配getter方法的正则表达式 */
    private static final Pattern GET_PATTERN = Pattern.compile("get(\\p{javaUpperCase}\\w*)");

    /** * 匹配setter方法的正则表达式 */
    private static final Pattern SET_PATTERN = Pattern.compile("set(\\p{javaUpperCase}\\w*)");

    /**
     * Bean属性复制工具方法。
     * 
     * @param dest 目标对象
     * @param src 源对象
     */
    public static void copyBeanProp(Object dest, Object src)
    {
        List<Method> destSetters = getSetterMethods(dest);
        List<Method> srcGetters = getGetterMethods(src);
        try
        {
            for (Method setter : destSetters)
            {
                for (Method getter : srcGetters)
                {
                    if (isMethodPropEquals(setter.getName(), getter.getName())
                            && setter.getParameterTypes()[0].equals(getter.getReturnType()))
                    {
                        setter.invoke(dest, getter.invoke(src));
                    }
                }
            }
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }

    /**
     * 获取对象的setter方法。
     * 
     * @param obj 对象
     * @return 对象的setter方法列表
     */
    public static List<Method> getSetterMethods(Object obj)
    {
        // setter方法列表
        List<Method> setterMethods = new ArrayList<Method>();

        // 获取所有方法
        Method[] methods = obj.getClass().getMethods();

        // 查找setter方法

        for (Method method : methods)
        {
            Matcher m = SET_PATTERN.matcher(method.getName());
            if (m.matches() && (method.getParameterTypes().length == 1))
            {
                setterMethods.add(method);
            }
        }
        // 返回setter方法列表
        return setterMethods;
    }

    /**
     * 获取对象的getter方法。
     * 
     * @param obj 对象
     * @return 对象的getter方法列表
     */

    public static List<Method> getGetterMethods(Object obj)
    {
        // getter方法列表
        List<Method> getterMethods = new ArrayList<Method>();
        // 获取所有方法
        Method[] methods = obj.getClass().getMethods();
        // 查找getter方法
        for (Method method : methods)
        {
            Matcher m = GET_PATTERN.matcher(method.getName());
            if (m.matches() && (method.getParameterTypes().length == 0))
            {
                getterMethods.add(method);
            }
        }
        // 返回getter方法列表
        return getterMethods;
    }

    /**
     * 检查Bean方法名中的属性名是否相等。<br>
     * 如getName()和setName()属性名一样，getName()和setAge()属性名不一样。
     * 
     * @param m1 方法名1
     * @param m2 方法名2
     * @return 属性名一样返回true，否则返回false
     */

    public static boolean isMethodPropEquals(String m1, String m2)
    {
        return m1.substring(BEAN_METHOD_PROP_INDEX).equals(m2.substring(BEAN_METHOD_PROP_INDEX));
    }
}      

View Code

-------file包

FileUtils.java-----------文件处理工具类      

package com.ruoyi.common.utils.file;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStream;

/**
 * 文件处理工具类
 * 
 * @author ruoyi
 */
public class FileUtils
{
    /**
     * 输出指定文件的byte数组
     * 
     * @param filename 文件
     * @return
     */
    public static void writeBytes(String filePath, OutputStream os) throws IOException
    {
        FileInputStream fis = null;
        try
        {
            File file = new File(filePath);
            if (!file.exists())
            {
                throw new FileNotFoundException(filePath);
            }
            fis = new FileInputStream(file);
            byte[] b = new byte[1024];
            int length;
            while ((length = fis.read(b)) > 0)
            {
                os.write(b, 0, length);
            }
        }
        catch (IOException e)
        {
            throw e;
        }
        finally
        {
            if (os != null)
            {
                try
                {
                    os.close();
                }
                catch (IOException e1)
                {
                    e1.printStackTrace();
                }
            }
            if (fis != null)
            {
                try
                {
                    fis.close();
                }
                catch (IOException e1)
                {
                    e1.printStackTrace();
                }
            }
        }
    }

    /**
     * 删除文件
     * 
     * @param filePath 文件
     * @return
     */
    public static boolean deleteFile(String filePath)
    {
        boolean flag = false;
        File file = new File(filePath);
        // 路径为文件且不为空则进行删除
        if (file.isFile() && file.exists())
        {
            file.delete();
            flag = true;
        }
        return flag;
    }
}      

View Code

HttpUtils.java-----------通用http发送方法      

package com.ruoyi.common.utils.http;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ConnectException;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.net.URLConnection;
import java.security.cert.X509Certificate;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 通用http发送方法
 * 
 * @author ruoyi
 */
public class HttpUtils
{
    private static final Logger log = LoggerFactory.getLogger(HttpUtils.class);

    /**
     * 向指定 URL 发送GET方法的请求
     *
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param)
    {
        StringBuilder result = new StringBuilder();
        BufferedReader in = null;
        try
        {
            String urlNameString = url + "?" + param;
            log.info("sendGet - {}", urlNameString);
            URL realUrl = new URL(urlNameString);
            URLConnection connection = realUrl.openConnection();
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            connection.connect();
            in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String line;
            while ((line = in.readLine()) != null)
            {
                result.append(line);
            }
            log.info("recv - {}", result);
        }
        catch (ConnectException e)
        {
            log.error("调用HttpUtils.sendGet ConnectException, url=" + url + ",param=" + param, e);
        }
        catch (SocketTimeoutException e)
        {
            log.error("调用HttpUtils.sendGet SocketTimeoutException, url=" + url + ",param=" + param, e);
        }
        catch (IOException e)
        {
            log.error("调用HttpUtils.sendGet IOException, url=" + url + ",param=" + param, e);
        }
        catch (Exception e)
        {
            log.error("调用HttpsUtil.sendGet Exception, url=" + url + ",param=" + param, e);
        }
        finally
        {
            try
            {
                if (in != null)
                {
                    in.close();
                }
            }
            catch (Exception ex)
            {
                log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
            }
        }
        return result.toString();
    }

    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param)
    {
        PrintWriter out = null;
        BufferedReader in = null;
        StringBuilder result = new StringBuilder();
        try
        {
            String urlNameString = url + "?" + param;
            log.info("sendPost - {}", urlNameString);
            URL realUrl = new URL(urlNameString);
            URLConnection conn = realUrl.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "utf-8");
            conn.setRequestProperty("contentType", "utf-8");
            conn.setDoOutput(true);
            conn.setDoInput(true);
            out = new PrintWriter(conn.getOutputStream());
            out.print(param);
            out.flush();
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
            String line;
            while ((line = in.readLine()) != null)
            {
                result.append(line);
            }
            log.info("recv - {}", result);
        }
        catch (ConnectException e)
        {
            log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e);
        }
        catch (SocketTimeoutException e)
        {
            log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e);
        }
        catch (IOException e)
        {
            log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e);
        }
        catch (Exception e)
        {
            log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e);
        }
        finally
        {
            try
            {
                if (out != null)
                {
                    out.close();
                }
                if (in != null)
                {
                    in.close();
                }
            }
            catch (IOException ex)
            {
                log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
            }
        }
        return result.toString();
    }

    public static String sendSSLPost(String url, String param)
    {
        StringBuilder result = new StringBuilder();
        String urlNameString = url + "?" + param;
        try
        {
            log.info("sendSSLPost - {}", urlNameString);
            SSLContext sc = SSLContext.getInstance("SSL");
            sc.init(null, new TrustManager[] { new TrustAnyTrustManager() }, new java.security.SecureRandom());
            URL console = new URL(urlNameString);
            HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "utf-8");
            conn.setRequestProperty("contentType", "utf-8");
            conn.setDoOutput(true);
            conn.setDoInput(true);

            conn.setSSLSocketFactory(sc.getSocketFactory());
            conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
            conn.connect();
            InputStream is = conn.getInputStream();
            BufferedReader br = new BufferedReader(new InputStreamReader(is));
            String ret = "";
            while ((ret = br.readLine()) != null)
            {
                if (ret != null && !ret.trim().equals(""))
                {
                    result.append(new String(ret.getBytes("ISO-8859-1"), "utf-8"));
                }
            }
            log.info("recv - {}", result);
            conn.disconnect();
            br.close();
        }
        catch (ConnectException e)
        {
            log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url + ",param=" + param, e);
        }
        catch (SocketTimeoutException e)
        {
            log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" + param, e);
        }
        catch (IOException e)
        {
            log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" + param, e);
        }
        catch (Exception e)
        {
            log.error("调用HttpsUtil.sendSSLPost Exception, url=" + url + ",param=" + param, e);
        }
        return result.toString();
    }

    private static class TrustAnyTrustManager implements X509TrustManager
    {
        @Override
        public void checkClientTrusted(X509Certificate[] chain, String authType)
        {
        }

        @Override
        public void checkServerTrusted(X509Certificate[] chain, String authType)
        {
        }

        @Override
        public X509Certificate[] getAcceptedIssuers()
        {
            return new X509Certificate[] {};
        }
    }

    private static class TrustAnyHostnameVerifier implements HostnameVerifier
    {
        @Override
        public boolean verify(String hostname, SSLSession session)
        {
            return true;
        }
    }
}      

View Code

--------------------------------

AddressUtils.java-----------获取地址类      

package com.ruoyi.common.utils;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.ruoyi.common.config.Global;
import com.ruoyi.common.json.JSON;
import com.ruoyi.common.json.JSONObject;
import com.ruoyi.common.utils.http.HttpUtils;

/**
 * 获取地址类
 * 
 * @author ruoyi
 */
public class AddressUtils
{
    private static final Logger log = LoggerFactory.getLogger(AddressUtils.class);

    public static final String IP_URL = "http://ip.taobao.com/service/getIpInfo.php";

    public static String getRealAddressByIP(String ip)
    {
        String address = "XX XX";
        String localIp = "127.0.0.1";
        if (localIp.equals(ip)){
            address = "XX 内网IP";
            return address;
        }
        if (Global.isAddressEnabled())
        {
            String rspStr = HttpUtils.sendPost(IP_URL, "ip=" + ip);
            if (StringUtils.isEmpty(rspStr))
            {
                log.error("获取地理位置异常 {}", ip);
                return address;
            }
            JSONObject obj;
            try
            {
                obj = JSON.unmarshal(rspStr, JSONObject.class);
                JSONObject data = obj.getObj("data");
                String region = data.getStr("region");
                String city = data.getStr("city");
                address = region + " " + city;
            }
            catch (Exception e)
            {
                log.error("获取地理位置异常 {}", ip);
            }
        }
        return address;
    }
}      

View Code

DateUtils.java------------时间工具类      

package com.ruoyi.common.utils;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.commons.lang3.time.DateFormatUtils;

/**
 * 时间工具类
 * 
 * @author ruoyi
 */
public class DateUtils
{
    public static String YYYY = "yyyy";

    public static String YYYY_MM = "yyyy-MM";

    public static String YYYY_MM_DD = "yyyy-MM-dd";

    public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";

    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";

    /**
     * 获取当前Date型日期
     * 
     * @return Date() 当前日期
     */
    public static Date getNowDate()
    {
        return new Date();
    }

    /**
     * 获取当前日期, 默认格式为yyyy-MM-dd
     * 
     * @return String
     */
    public static String getDate()
    {
        return dateTimeNow(YYYY_MM_DD);
    }

    public static final String getTime()
    {
        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
    }

    public static final String dateTimeNow()
    {
        return dateTimeNow(YYYYMMDDHHMMSS);
    }

    public static final String dateTimeNow(final String format)
    {
        return parseDateToStr(format, new Date());
    }

    public static final String dateTime(final Date date)
    {
        return parseDateToStr(YYYY_MM_DD, date);
    }

    public static final String parseDateToStr(final String format, final Date date)
    {
        return new SimpleDateFormat(format).format(date);
    }

    public static final Date dateTime(final String format, final String ts)
    {
        try
        {
            return new SimpleDateFormat(format).parse(ts);
        }
        catch (ParseException e)
        {
            throw new RuntimeException(e);
        }
    }

    /**
     * 日期路径 即年/月/日 如2018/08/08
     */
    public static final String datePath()
    {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyy/MM/dd");
    }

    /**
     * 日期路径 即年/月/日 如20180808
     */
    public static final String dateTime()
    {
        Date now = new Date();
        return DateFormatUtils.format(now, "yyyyMMdd");
    }
}      

View Code

ExcelUtil.java---------Excel相关处理类      

package com.ruoyi.common.utils;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import org.apache.poi.hssf.usermodel.DVConstraint;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFDataValidation;
import org.apache.poi.hssf.usermodel.HSSFFont;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.hssf.util.HSSFColor.HSSFColorPredefined;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.FillPatternType;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.VerticalAlignment;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.ruoyi.common.annotation.Excel;
import com.ruoyi.common.base.AjaxResult;
import com.ruoyi.common.config.Global;
import com.ruoyi.common.utils.StringUtils;

/**
 * Excel相关处理
 * 
 * @author ruoyi
 */
public class ExcelUtil<T>
{
    private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);

    public Class<T> clazz;

    public ExcelUtil(Class<T> clazz)
    {
        this.clazz = clazz;
    }

    /**
     * 对excel表单默认第一个索引名转换成list
     * 
     * @param input 输入流
     * @return 转换后集合
     */
    public List<T> importExcel(InputStream input) throws Exception
    {
        return importExcel(StringUtils.EMPTY, input);
    }

    /**
     * 对excel表单指定表格索引名转换成list
     * 
     * @param sheetName 表格索引名
     * @param input 输入流
     * @return 转换后集合
     */
    public List<T> importExcel(String sheetName, InputStream input) throws Exception
    {
        List<T> list = new ArrayList<T>();

        Workbook workbook = WorkbookFactory.create(input);
        Sheet sheet = null;
        if (StringUtils.isNotEmpty(sheetName))
        {
            // 如果指定sheet名,则取指定sheet中的内容.
            sheet = workbook.getSheet(sheetName);
        }
        else
        {
            // 如果传入的sheet名不存在则默认指向第1个sheet.
            sheet = workbook.getSheetAt(0);
        }

        if (sheet == null)
        {
            throw new IOException("文件sheet不存在");
        }

        int rows = sheet.getPhysicalNumberOfRows();

        if (rows > 0)
        {
            // 默认序号
            int serialNum = 0;
            // 有数据时才处理 得到类的所有field.
            Field[] allFields = clazz.getDeclaredFields();
            // 定义一个map用于存放列的序号和field.
            Map<Integer, Field> fieldsMap = new HashMap<Integer, Field>();
            for (int col = 0; col < allFields.length; col++)
            {
                Field field = allFields[col];
                // 将有注解的field存放到map中.
                if (field.isAnnotationPresent(Excel.class))
                {
                    // 设置类的私有字段属性可访问.
                    field.setAccessible(true);
                    fieldsMap.put(++serialNum, field);
                }
            }
            for (int i = 1; i < rows; i++)
            {
                // 从第2行开始取数据,默认第一行是表头.
                Row row = sheet.getRow(i);
                int cellNum = serialNum;
                T entity = null;
                for (int j = 0; j < cellNum; j++)
                {
                    Cell cell = row.getCell(j);
                    if (cell == null)
                    {
                        continue;
                    }
                    else
                    {
                        // 先设置Cell的类型，然后就可以把纯数字作为String类型读进来了
                        row.getCell(j).setCellType(CellType.STRING);
                        cell = row.getCell(j);
                    }

                    String c = cell.getStringCellValue();
                    if (StringUtils.isEmpty(c))
                    {
                        continue;
                    }

                    // 如果不存在实例则新建.
                    entity = (entity == null ? clazz.newInstance() : entity);
                    // 从map中得到对应列的field.
                    Field field = fieldsMap.get(j + 1);
                    // 取得类型,并根据对象类型设置值.
                    Class<?> fieldType = field.getType();
                    if (String.class == fieldType)
                    {
                        field.set(entity, String.valueOf(c));
                    }
                    else if ((Integer.TYPE == fieldType) || (Integer.class == fieldType))
                    {
                        field.set(entity, Integer.parseInt(c));
                    }
                    else if ((Long.TYPE == fieldType) || (Long.class == fieldType))
                    {
                        field.set(entity, Long.valueOf(c));
                    }
                    else if ((Float.TYPE == fieldType) || (Float.class == fieldType))
                    {
                        field.set(entity, Float.valueOf(c));
                    }
                    else if ((Short.TYPE == fieldType) || (Short.class == fieldType))
                    {
                        field.set(entity, Short.valueOf(c));
                    }
                    else if ((Double.TYPE == fieldType) || (Double.class == fieldType))
                    {
                        field.set(entity, Double.valueOf(c));
                    }
                    else if (Character.TYPE == fieldType)
                    {
                        if ((c != null) && (c.length() > 0))
                        {
                            field.set(entity, Character.valueOf(c.charAt(0)));
                        }
                    }
                    else if (java.util.Date.class == fieldType)
                    {
                        if (cell.getCellTypeEnum() == CellType.NUMERIC)
                        {
                            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                            cell.setCellValue(sdf.format(cell.getNumericCellValue()));
                            c = sdf.format(cell.getNumericCellValue());
                        }
                        else
                        {
                            c = cell.getStringCellValue();
                        }
                    }
                    else if (java.math.BigDecimal.class == fieldType)
                    {
                        c = cell.getStringCellValue();
                    }
                }
                if (entity != null)
                {
                    list.add(entity);
                }
            }
        }

        return list;
    }

    /**
     * 对list数据源将其里面的数据导入到excel表单
     * 
     * @param list 导出数据集合
     * @param sheetName 工作表的名称
     * @return 结果
     */
    public AjaxResult exportExcel(List<T> list, String sheetName)
    {
        OutputStream out = null;
        HSSFWorkbook workbook = null;
        try
        {
            // 得到所有定义字段
            Field[] allFields = clazz.getDeclaredFields();
            List<Field> fields = new ArrayList<Field>();
            // 得到所有field并存放到一个list中.
            for (Field field : allFields)
            {
                if (field.isAnnotationPresent(Excel.class))
                {
                    fields.add(field);
                }
            }

            // 产生工作薄对象
            workbook = new HSSFWorkbook();
            // excel2003中每个sheet中最多有65536行
            int sheetSize = 65536;
            // 取出一共有多少个sheet.
            double sheetNo = Math.ceil(list.size() / sheetSize);
            for (int index = 0; index <= sheetNo; index++)
            {
                // 产生工作表对象
                HSSFSheet sheet = workbook.createSheet();
                if (sheetNo == 0)
                {
                    workbook.setSheetName(index, sheetName);
                }
                else
                {
                    // 设置工作表的名称.
                    workbook.setSheetName(index, sheetName + index);
                }
                HSSFRow row;
                HSSFCell cell; // 产生单元格

                // 产生一行
                row = sheet.createRow(0);
                // 写入各个字段的列头名称
                for (int i = 0; i < fields.size(); i++)
                {
                    Field field = fields.get(i);
                    Excel attr = field.getAnnotation(Excel.class);
                    // 创建列
                    cell = row.createCell(i);
                    // 设置列中写入内容为String类型
                    cell.setCellType(CellType.STRING);
                    HSSFCellStyle cellStyle = workbook.createCellStyle();
                    cellStyle.setAlignment(HorizontalAlignment.CENTER);
                    cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
                    if (attr.name().indexOf("注：") >= 0)
                    {
                        HSSFFont font = workbook.createFont();
                        font.setColor(HSSFFont.COLOR_RED);
                        cellStyle.setFont(font);
                        cellStyle.setFillForegroundColor(HSSFColorPredefined.YELLOW.getIndex());
                        sheet.setColumnWidth(i, 6000);
                    }
                    else
                    {
                        HSSFFont font = workbook.createFont();
                        // 粗体显示
                        font.setBold(true);
                        // 选择需要用到的字体格式
                        cellStyle.setFont(font);
                        cellStyle.setFillForegroundColor(HSSFColorPredefined.LIGHT_YELLOW.getIndex());
                        // 设置列宽
                        sheet.setColumnWidth(i, 3766);
                    }
                    cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
                    cellStyle.setWrapText(true);
                    cell.setCellStyle(cellStyle);

                    // 写入列名
                    cell.setCellValue(attr.name());

                    // 如果设置了提示信息则鼠标放上去提示.
                    if (StringUtils.isNotEmpty(attr.prompt()))
                    {
                        // 这里默认设了2-101列提示.
                        setHSSFPrompt(sheet, "", attr.prompt(), 1, 100, i, i);
                    }
                    // 如果设置了combo属性则本列只能选择不能输入
                    if (attr.combo().length > 0)
                    {
                        // 这里默认设了2-101列只能选择不能输入.
                        setHSSFValidation(sheet, attr.combo(), 1, 100, i, i);
                    }
                }

                int startNo = index * sheetSize;
                int endNo = Math.min(startNo + sheetSize, list.size());
                // 写入各条记录,每条记录对应excel表中的一行
                HSSFCellStyle cs = workbook.createCellStyle();
                cs.setAlignment(HorizontalAlignment.CENTER);
                cs.setVerticalAlignment(VerticalAlignment.CENTER);
                for (int i = startNo; i < endNo; i++)
                {
                    row = sheet.createRow(i + 1 - startNo);
                    // 得到导出对象.
                    T vo = (T) list.get(i);
                    for (int j = 0; j < fields.size(); j++)
                    {
                        // 获得field.
                        Field field = fields.get(j);
                        // 设置实体类私有属性可访问
                        field.setAccessible(true);
                        Excel attr = field.getAnnotation(Excel.class);
                        try
                        {
                            // 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
                            if (attr.isExport())
                            {
                                // 创建cell
                                cell = row.createCell(j);
                                cell.setCellStyle(cs);
                                try
                                {
                                    if (String.valueOf(field.get(vo)).length() > 10)
                                    {
                                        throw new Exception("长度超过10位就不用转数字了");
                                    }
                                    // 如果可以转成数字则导出为数字类型
                                    BigDecimal bc = new BigDecimal(String.valueOf(field.get(vo)));
                                    cell.setCellType(CellType.NUMERIC);
                                    cell.setCellValue(bc.doubleValue());
                                }
                                catch (Exception e)
                                {
                                    cell.setCellType(CellType.STRING);
                                    if (vo == null)
                                    {
                                        // 如果数据存在就填入,不存在填入空格.
                                        cell.setCellValue("");
                                    }
                                    else
                                    {
                                        // 如果数据存在就填入,不存在填入空格.
                                        cell.setCellValue(field.get(vo) == null ? "" : String.valueOf(field.get(vo)));
                                    }

                                }
                            }
                        }
                        catch (Exception e)
                        {
                            log.error("导出Excel失败{}", e.getMessage());
                        }
                    }
                }
            }
            String filename = encodingFilename(sheetName);
            out = new FileOutputStream(getAbsoluteFile(filename));
            workbook.write(out);
            return AjaxResult.success(filename);
        }
        catch (Exception e)
        {
            log.error("导出Excel异常{}", e.getMessage());
            return AjaxResult.error("导出Excel失败，请联系网站管理员！");
        }
        finally
        {
            if (workbook != null)
            {
                try
                {
                    workbook.close();
                }
                catch (IOException e1)
                {
                    e1.printStackTrace();
                }
            }
            if (out != null)
            {
                try
                {
                    out.close();
                }
                catch (IOException e1)
                {
                    e1.printStackTrace();
                }
            }
        }
    }

    /**
     * 设置单元格上提示
     * 
     * @param sheet 要设置的sheet.
     * @param promptTitle 标题
     * @param promptContent 内容
     * @param firstRow 开始行
     * @param endRow 结束行
     * @param firstCol 开始列
     * @param endCol 结束列
     * @return 设置好的sheet.
     */
    public static HSSFSheet setHSSFPrompt(HSSFSheet sheet, String promptTitle, String promptContent, int firstRow,
            int endRow, int firstCol, int endCol)
    {
        // 构造constraint对象
        DVConstraint constraint = DVConstraint.createCustomFormulaConstraint("DD1");
        // 四个参数分别是：起始行、终止行、起始列、终止列
        CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
        // 数据有效性对象
        HSSFDataValidation dataValidationView = new HSSFDataValidation(regions, constraint);
        dataValidationView.createPromptBox(promptTitle, promptContent);
        sheet.addValidationData(dataValidationView);
        return sheet;
    }

    /**
     * 设置某些列的值只能输入预制的数据,显示下拉框.
     * 
     * @param sheet 要设置的sheet.
     * @param textlist 下拉框显示的内容
     * @param firstRow 开始行
     * @param endRow 结束行
     * @param firstCol 开始列
     * @param endCol 结束列
     * @return 设置好的sheet.
     */
    public static HSSFSheet setHSSFValidation(HSSFSheet sheet, String[] textlist, int firstRow, int endRow,
            int firstCol, int endCol)
    {
        // 加载下拉列表内容
        DVConstraint constraint = DVConstraint.createExplicitListConstraint(textlist);
        // 设置数据有效性加载在哪个单元格上,四个参数分别是：起始行、终止行、起始列、终止列
        CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
        // 数据有效性对象
        HSSFDataValidation dataValidationList = new HSSFDataValidation(regions, constraint);
        sheet.addValidationData(dataValidationList);
        return sheet;
    }

    /**
     * 编码文件名
     */
    public String encodingFilename(String filename)
    {
        filename = UUID.randomUUID().toString() + "_" + filename + ".xls";
        return filename;
    }

    /**
     * 获取下载路径
     * 
     * @param filename 文件名称
     */
    public String getAbsoluteFile(String filename)
    {
        String downloadPath = Global.getDownloadPath() + filename;
        File desc = new File(downloadPath);
        if (!desc.getParentFile().exists())
        {
            desc.getParentFile().mkdirs();
        }
        return downloadPath;
    }
}      

View Code

IpUtils.java----------获取ip类      

package com.ruoyi.common.utils;

import javax.servlet.http.HttpServletRequest;

/**
 * 获取IP方法
 * 
 * @author ruoyi    
 */
public class IpUtils
{
    public static String getIpAddr(HttpServletRequest request)
    {
        if (request == null)
        {
            return "unknown";
        }
        String ip = request.getHeader("x-forwarded-for");
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
        {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
        {
            ip = request.getHeader("X-Forwarded-For");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
        {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
        {
            ip = request.getHeader("X-Real-IP");
        }

        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip))
        {
            ip = request.getRemoteAddr();
        }

        return "0:0:0:0:0:0:0:1".equals(ip) ? "127.0.0.1" : ip;
    }
}      

View Code

MapDataUtil.java----------map通用处理方法      

package com.ruoyi.common.utils;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import javax.servlet.http.HttpServletRequest;

/**
 * Map通用处理方法
 * 
 * @author ruoyi
 */
        public class MapDataUtil
{
    public static Map<String, Object> convertDataMap(HttpServletRequest request)
    {
        Map<String, String[]> properties = request.getParameterMap();
        Map<String, Object> returnMap = new HashMap<String, Object>();
        Iterator<?> entries = properties.entrySet().iterator();
        Map.Entry<?, ?> entry;
        String name = "";
        String value = "";
        while (entries.hasNext())
        {
            entry = (Entry<?, ?>) entries.next();
            name = (String) entry.getKey();
            Object valueObj = entry.getValue();
            if (null == valueObj)
            {
                value = "";
            }
            else if (valueObj instanceof String[])
            {
                String[] values = (String[]) valueObj;
                for (int i = 0; i < values.length; i++)
                {
                    value = values[i] + ",";
                }
                value = value.substring(0, value.length() - 1);
            }
            else
            {
                value = valueObj.toString();
            }
            returnMap.put(name, value);
        }
        return returnMap;
    }
}      

View Code

Md5Utils.java-----------MD5加密方法      

package com.ruoyi.common.utils;

import java.security.MessageDigest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Md5加密方法
 * 
 * @author ruoyi
 */
public class Md5Utils
{
    private static final Logger log = LoggerFactory.getLogger(Md5Utils.class);

    private static byte[] md5(String s)
    {
        MessageDigest algorithm;
        try
        {
            algorithm = MessageDigest.getInstance("MD5");
            algorithm.reset();
            algorithm.update(s.getBytes("UTF-8"));
            byte[] messageDigest = algorithm.digest();
            return messageDigest;
        }
        catch (Exception e)
        {
            log.error("MD5 Error...", e);
        }
        return null;
    }

    private static final String toHex(byte hash[])
    {
        if (hash == null)
        {
            return null;
        }
        StringBuffer buf = new StringBuffer(hash.length * 2);
        int i;

        for (i = 0; i < hash.length; i++)
        {
            if ((hash[i] & 0xff) < 0x10)
            {
                buf.append("0");
            }
            buf.append(Long.toString(hash[i] & 0xff, 16));
        }
        return buf.toString();
    }

    public static String hash(String s)
    {
        try
        {
            return new String(toHex(md5(s)).getBytes("UTF-8"), "UTF-8");
        }
        catch (Exception e)
        {
            log.error("not supported charset...{}", e);
            return s;
        }
    }
}      

View Code

R.java------------返回数据      

package com.ruoyi.common.utils;

import java.util.HashMap;
import java.util.Map;

/**
 * 返回数据
 * 
 */
public class R extends HashMap<String, Object> {
    private static final long serialVersionUID = 1L;
    
    public R() {
        put("code", 0);
        put("msg", "success");
    }
    
    public static R error() {
        return error(500, "未知异常，请联系管理员");
    }
    
    public static R error(String msg) {
        return error(500, msg);
    }
    
    public static R error(int code, String msg) {
        R r = new R();
        r.put("code", code);
        r.put("msg", msg);
        return r;
    }

    public static R ok(String msg) {
        R r = new R();
        r.put("msg", msg);
        return r;
    }
    
    public static R ok(Map<String, Object> map) {
        R r = new R();
        r.putAll(map);
        return r;
    }
    
    public static R ok() {
        return new R();
    }

    @Override
    public R put(String key, Object value) {
        super.put(key, value);
        return this;
    }
}      

View Code

StringUtils.java------------字符串工具类      

package com.ruoyi.common.utils;

import java.util.Collection;
import java.util.Map;
import com.ruoyi.common.support.StrFormatter;

/**
 * 字符串工具类
 * 
 * @author ruoyi
 */
public class StringUtils extends org.apache.commons.lang3.StringUtils
{
    /** 空字符串 */
    private static final String NULLSTR = "";

    /** 下划线 */
    private static final char SEPARATOR = \'_\';

    /**
     * 获取参数不为空值
     * 
     * @param value defaultValue 要判断的value
     * @return value 返回值
     */
    public static <T> T nvl(T value, T defaultValue)
    {
        return value != null ? value : defaultValue;
    }

    /**
     * * 判断一个Collection是否为空， 包含List，Set，Queue
     * 
     * @param coll 要判断的Collection
     * @return true：为空 false：非空
     */
    public static boolean isEmpty(Collection<?> coll)
    {
        return isNull(coll) || coll.isEmpty();
    }

    /**
     * * 判断一个Collection是否非空，包含List，Set，Queue
     * 
     * @param coll 要判断的Collection
     * @return true：非空 false：空
     */
    public static boolean isNotEmpty(Collection<?> coll)
    {
        return !isEmpty(coll);
    }

    /**
     * * 判断一个对象数组是否为空
     * 
     * @param objects 要判断的对象数组
     ** @return true：为空 false：非空
     */
    public static boolean isEmpty(Object[] objects)
    {
        return isNull(objects) || (objects.length == 0);
    }

    /**
     * * 判断一个对象数组是否非空
     * 
     * @param objects 要判断的对象数组
     * @return true：非空 false：空
     */
    public static boolean isNotEmpty(Object[] objects)
    {
        return !isEmpty(objects);
    }

    /**
     * * 判断一个Map是否为空
     * 
     * @param map 要判断的Map
     * @return true：为空 false：非空
     */
    public static boolean isEmpty(Map<?, ?> map)
    {
        return isNull(map) || map.isEmpty();
    }

    /**
     * * 判断一个Map是否为空
     * 
     * @param map 要判断的Map
     * @return true：非空 false：空
     */
    public static boolean isNotEmpty(Map<?, ?> map)
    {
        return !isEmpty(map);
    }

    /**
     * * 判断一个字符串是否为空串
     * 
     * @param str String
     * @return true：为空 false：非空
     */
    public static boolean isEmpty(String str)
    {
        return isNull(str) || NULLSTR.equals(str.trim());
    }

    /**
     * * 判断一个字符串是否为非空串
     * 
     * @param str String
     * @return true：非空串 false：空串
     */
    public static boolean isNotEmpty(String str)
    {
        return !isEmpty(str);
    }

    /**
     * * 判断一个对象是否为空
     * 
     * @param object Object
     * @return true：为空 false：非空
     */
    public static boolean isNull(Object object)
    {
        return object == null;
    }

    /**
     * * 判断一个对象是否非空
     * 
     * @param object Object
     * @return true：非空 false：空
     */
    public static boolean isNotNull(Object object)
    {
        return !isNull(object);
    }

    /**
     * * 判断一个对象是否是数组类型（Java基本型别的数组）
     * 
     * @param object 对象
     * @return true：是数组 false：不是数组
     */
    public static boolean isArray(Object object)
    {
        return isNotNull(object) && object.getClass().isArray();
    }

    /**
     * 去空格
     */
    public static String trim(String str)
    {
        return (str == null ? "" : str.trim());
    }

    /**
     * 截取字符串
     * 
     * @param str 字符串
     * @param start 开始
     * @return 结果
     */
    public static String substring(final String str, int start)
    {
        if (str == null)
        {
            return NULLSTR;
        }

        if (start < 0)
        {
            start = str.length() + start;
        }

        if (start < 0)
        {
            start = 0;
        }
        if (start > str.length())
        {
            return NULLSTR;
        }

        return str.substring(start);
    }

    /**
     * 截取字符串
     * 
     * @param str 字符串
     * @param start 开始
     * @param end 结束
     * @return 结果
     */
    public static String substring(final String str, int start, int end)
    {
        if (str == null)
        {
            return NULLSTR;
        }

        if (end < 0)
        {
            end = str.length() + end;
        }
        if (start < 0)
        {
            start = str.length() + start;
        }

        if (end > str.length())
        {
            end = str.length();
        }

        if (start > end)
        {
            return NULLSTR;
        }

        if (start < 0)
        {
            start = 0;
        }
        if (end < 0)
        {
            end = 0;
        }

        return str.substring(start, end);
    }

    /**
     * 格式化文本, {} 表示占位符<br>
     * 此方法只是简单将占位符 {} 按照顺序替换为参数<br>
     * 如果想输出 {} 使用 \\转义 { 即可，如果想输出 {} 之前的 \ 使用双转义符 \\\\ 即可<br>
     * 例：<br>
     * 通常使用：format("this is {} for {}", "a", "b") -> this is a for b<br>
     * 转义{}： format("this is \\{} for {}", "a", "b") -> this is \{} for a<br>
     * 转义\： format("this is \\\\{} for {}", "a", "b") -> this is \a for b<br>
     * 
     * @param template 文本模板，被替换的部分用 {} 表示
     * @param params 参数值
     * @return 格式化后的文本
     */
    public static String format(String template, Object... params)
    {
        if (isEmpty(params) || isEmpty(template))
        {
            return template;
        }
        return StrFormatter.format(template, params);
    }

    /**
     * 下划线转驼峰命名
     */
    public static String toUnderScoreCase(String s)
    {
        if (s == null)
        {
            return null;
        }
        StringBuilder sb = new StringBuilder();
        boolean upperCase = false;
        for (int i = 0; i < s.length(); i++)
        {
            char c = s.charAt(i);

            boolean nextUpperCase = true;

            if (i < (s.length() - 1))
            {
                nextUpperCase = Character.isUpperCase(s.charAt(i + 1));
            }

            if ((i > 0) && Character.isUpperCase(c))
            {
                if (!upperCase || !nextUpperCase)
                {
                    sb.append(SEPARATOR);
                }
                upperCase = true;
            }
            else
            {
                upperCase = false;
            }

            sb.append(Character.toLowerCase(c));
        }

        return sb.toString();
    }

    /**
     * 是否包含字符串
     * 
     * @param str 验证字符串
     * @param strs 字符串组
     * @return 包含返回true
     */
    public static boolean inStringIgnoreCase(String str, String... strs)
    {
        if (str != null && strs != null)
        {
            for (String s : strs)
            {
                if (str.equalsIgnoreCase(trim(s)))
                {
                    return true;
                }
            }
        }
        return false;
    }

    /**
     * 将下划线大写方式命名的字符串转换为驼峰式。如果转换前的下划线大写方式命名的字符串为空，则返回空字符串。 例如：HELLO_WORLD->HelloWorld
     * 
     * @param name 转换前的下划线大写方式命名的字符串
     * @return 转换后的驼峰式命名的字符串
     */
    public static String convertToCamelCase(String name)
    {
        StringBuilder result = new StringBuilder();
        // 快速检查
        if (name == null || name.isEmpty())
        {
            // 没必要转换
            return "";
        }
        else if (!name.contains("_"))
        {
            // 不含下划线，仅将首字母大写
            return name.substring(0, 1).toUpperCase() + name.substring(1);
        }
        // 用下划线将原始字符串分割
        String[] camels = name.split("_");
        for (String camel : camels)
        {
            // 跳过原始字符串中开头、结尾的下换线或双重下划线
            if (camel.isEmpty())
            {
                continue;
            }
            // 首字母大写
            result.append(camel.substring(0, 1).toUpperCase());
            result.append(camel.substring(1).toLowerCase());
        }
        return result.toString();
    }
}      

View Code

YamlUtil.java----------配置处理工具      

package com.ruoyi.common.utils;

import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.util.LinkedHashMap;
import java.util.Map;
import org.yaml.snakeyaml.DumperOptions;
import org.yaml.snakeyaml.Yaml;
import com.ruoyi.common.utils.StringUtils;

/**
 * 配置处理工具类
 * 
 * @author yml
 */
public class YamlUtil
{
    public static Map<?, ?> loadYaml(String fileName) throws FileNotFoundException
    {
        InputStream in = YamlUtil.class.getClassLoader().getResourceAsStream(fileName);
        return StringUtils.isNotEmpty(fileName) ? (LinkedHashMap<?, ?>) new Yaml().load(in) : null;
    }

    public static void dumpYaml(String fileName, Map<?, ?> map) throws IOException
    {
        if (StringUtils.isNotEmpty(fileName))
        {
            FileWriter fileWriter = new FileWriter(YamlUtil.class.getResource(fileName).getFile());
            DumperOptions options = new DumperOptions();
            options.setDefaultFlowStyle(DumperOptions.FlowStyle.BLOCK);
            Yaml yaml = new Yaml(options);
            yaml.dump(map, fileWriter);
        }
    }

    public static Object getProperty(Map<?, ?> map, Object qualifiedKey)
    {
        if (map != null && !map.isEmpty() && qualifiedKey != null)
        {
            String input = String.valueOf(qualifiedKey);
            if (!input.equals(""))
            {
                if (input.contains("."))
                {
                    int index = input.indexOf(".");
                    String left = input.substring(0, index);
                    String right = input.substring(index + 1, input.length());
                    return getProperty((Map<?, ?>) map.get(left), right);
                }
                else if (map.containsKey(input))
                {
                    return map.get(input);
                }
                else
                {
                    return null;
                }
            }
        }
        return null;
    }

    @SuppressWarnings("unchecked")
    public static void setProperty(Map<?, ?> map, Object qualifiedKey, Object value)
    {
        if (map != null && !map.isEmpty() && qualifiedKey != null)
        {
            String input = String.valueOf(qualifiedKey);
            if (!input.equals(""))
            {
                if (input.contains("."))
                {
                    int index = input.indexOf(".");
                    String left = input.substring(0, index);
                    String right = input.substring(index + 1, input.length());
                    setProperty((Map<?, ?>) map.get(left), right, value);
                }
                else
                {
                    ((Map<Object, Object>) map).put(qualifiedKey, value);
                }
            }
        }
    }
}      

View Code

 

-------xss包

XssFilter.java-------防止XSS攻击的过滤器      

package com.ruoyi.common.xss;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.ruoyi.common.utils.StringUtils;

/**
 * 防止XSS攻击的过滤器
 * 
 * @author ruoyi
 */
public class XssFilter implements Filter
{
    /**
     * 排除链接
     */
    public List<String> excludes = new ArrayList<>();

    /**
     * xss过滤开关
     */
    public boolean enabled = false;

    @Override
    public void init(FilterConfig filterConfig) throws ServletException
    {
        String tempExcludes = filterConfig.getInitParameter("excludes");
        String tempEnabled = filterConfig.getInitParameter("enabled");
        if (StringUtils.isNotEmpty(tempExcludes))
        {
            String[] url = tempExcludes.split(",");
            for (int i = 0; url != null && i < url.length; i++)
            {
                excludes.add(url[i]);
            }
        }
        if (StringUtils.isNotEmpty(tempEnabled))
        {
            enabled = Boolean.valueOf(tempEnabled);
        }
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException
    {
        HttpServletRequest req = (HttpServletRequest) request;
        HttpServletResponse resp = (HttpServletResponse) response;
        if (handleExcludeURL(req, resp))
        {
            chain.doFilter(request, response);
            return;
        }
        XssHttpServletRequestWrapper xssRequest = new XssHttpServletRequestWrapper((HttpServletRequest) request);
        chain.doFilter(xssRequest, response);
    }

    private boolean handleExcludeURL(HttpServletRequest request, HttpServletResponse response)
    {
        if (!enabled)
        {
            return true;
        }
        if (excludes == null || excludes.isEmpty())
        {
            return false;
        }
        String url = request.getServletPath();
        for (String pattern : excludes)
        {
            Pattern p = Pattern.compile("^" + pattern);
            Matcher m = p.matcher(url);
            if (m.find())
            {
                return true;
            }
        }
        return false;
    }

    @Override
    public void destroy()
    {

    }
}      

View Code

XssHttpServletRequestWrapper.java-----------XSS过滤处理

      

package com.ruoyi.common.xss;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import org.jsoup.Jsoup;
import org.jsoup.safety.Whitelist;

/**
 * XSS过滤处理
 * 
 * @author ruoyi
 */
public class XssHttpServletRequestWrapper extends HttpServletRequestWrapper
{
    /**
     * @param request
     */
    public XssHttpServletRequestWrapper(HttpServletRequest request)
    {
        super(request);
    }

    @Override
    public String[] getParameterValues(String name)
    {
        String[] values = super.getParameterValues(name);
        if (values != null)
        {
            int length = values.length;
            String[] escapseValues = new String[length];
            for (int i = 0; i < length; i++)
            {
                // 防xss攻击和过滤前后空格
                escapseValues[i] = Jsoup.clean(values[i], Whitelist.relaxed()).trim();
            }
            return escapseValues;
        }
        return super.getParameterValues(name);
    }
}      

View Code