目錄
一、web.xml
1、配置監聽器,用來掃描classpath:applicationContext-*.xml下面的各類配置檔案
2、配置SPringMVC的核心處理器 DispatcherServlet
3、SPring解決POST請求亂碼
4、form表單隻支援 Get和POST 如果想支援rest風格 得配置該過濾器 然後該過濾器會幫我們實作
5、rest請求的過濾器
二、spring-mvc.xml中的配置
三、applicationContext-service.xml中的配置
四、applicationContext-dao.xml的配置
java自己的連接配接池
c3p0連接配接池配置
DBCP連接配接池
jdbc.properties檔案
五、log4j.properties測試檔案,需要引入相關jar包
六、service層
七、mapper包
UserMapper.xml映射檔案:
别名:
若要使用分頁需要在pom中引入依賴:
七、控制器層測試
一、web.xml
1、配置監聽器,用來掃描classpath:applicationContext-*.xml下面的各類配置檔案
<!-- 配置Spring的配置檔案 去加載spring的配置檔案 -->
<listener>
<!-- 預設是去WEB-INF下找 applicationContext.xml配置檔案-->
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext-*.xml</param-value>
</context-param>
2、配置SPringMVC的核心處理器 DispatcherServlet
url-patten标簽說明:
1./* 攔截所有請求 css img js jsp html action
2.*.action/*.do *.action 可以攔截以.action結尾的請求
3./ 攔截css js image action請求 不攔截jsp(推薦)
<servlet>
<servlet-name>DispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<!-- contextConfigLocation固定 -->
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
<!-- 啟動伺服器就執行個體化 -->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>DispatcherServlet</servlet-name>
<!-- 1./* 攔截所有請求 css img js jsp html action 2.*.action/*.do *.action 可以攔截以.action結尾的請求
3./ 攔截css js image action請求 不攔截jsp(推薦) -->
<url-pattern>/</url-pattern>
</servlet-mapping>
3、SPring解決POST請求亂碼
<filter>
<filter-name>characterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
4、form表單隻支援 Get和POST 如果想支援rest風格 得配置該過濾器 然後該過濾器會幫我們實作
<filter>
<filter-name>HiddenHttpMethodFilter</filter-name>
<filter-class>
org.springframework.web.filter.HiddenHttpMethodFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>HiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
5、rest請求的過濾器
<filter>
<filter-name>HiddenHttpMethodFilter</filter-name>
<filter-class>
org.springframework.web.filter.HiddenHttpMethodFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>HiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
二、spring-mvc.xml中的配置
靜态資源static檔案夾放在webapp檔案夾下面
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 開發SpringMvc的配置檔案 -->
<context:component-scan base-package="com.ssm.controller"></context:component-scan>
<!-- 開啟元件掃描 -->
<mvc:annotation-driven></mvc:annotation-driven>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"></property>
<property name="suffix" value=".jsp" ></property>
</bean>
<!-- 用來過濾靜态資源法 -->
<mvc:resources location="/static/" mapping="/static/**"></mvc:resources>
<!-- 配置檔案上傳相關 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"
p:defaultEncoding="utf-8"
p:maxUploadSize="1048576"
p:uploadTempDir="file:D:\temp"
>
</bean>
</beans>
三、applicationContext-service.xml中的配置
開啟事務注解驅動的情況下需要要在service層加@Transactional注解,不然就用如下注釋中的<tx:advice id="txAdvice" transaction-manager="transactionManager">的方式
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 開發SpringMvc的配置檔案 -->
<!-- 開啟元件掃描 -->
<context:component-scan base-package="com.ssm.service"></context:component-scan>
<!-- 配置事務 -->
<!-- 配置平台事務管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!-- 現在注入dataSource -->
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 事務注解驅動 -->
<tx:annotation-driven transaction-manager="transactionManager"/>
<!-- 配置事務通知 -->
<!-- <tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="select*" propagation="SUPPORTS" read-only="true"/>
<tx:method name="query*" propagation="SUPPORTS" read-only="true"/>
<tx:method name="find*" propagation="SUPPORTS" read-only="true"/>
<tx:method name="search*" propagation="SUPPORTS" read-only="true"/>
<tx:method name="get*" propagation="SUPPORTS" read-only="true"/>
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="modify*" propagation="REQUIRED" />
<tx:method name="remove*" propagation="REQUIRED" />
<tx:method name="*" propagation="REQUIRED" />
</tx:attributes>
</tx:advice> -->
<!-- 配置aop -->
<!-- <aop:config proxy-target-class="true">
<aop:pointcut expression="execution( public * com.ssm.service.impl.*.*(..))" id="cut"/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="cut"/>
</aop:config> -->
</beans>
四、applicationContext-dao.xml的配置
此處省去了頭檔案,使用了druid連接配接池,c3p0,dbcp,連接配接池單獨放下面
<!-- 開啟元件掃描 -->
<context:component-scan base-package="com.ssm.mapper"></context:component-scan>
<context:property-placeholder location="classpath:*.properties"/>
<!-- 配置資料源 -->
<!-- 配置druid連接配接池 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
init-method="init" destroy-method="close">
<property name="driverClassName" value="${jdbc.driver}" />
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="20" />
<property name="minIdle" value="3" />
<property name="maxActive" value="100" />
<!-- 配置擷取連接配接等待逾時的時間 -->
<property name="maxWait" value="10000" />
<!-- 配置間隔多久才進行一次檢測,檢測需要關閉的空閑連接配接,機關是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一個連接配接在池中最小生存的時間,機關是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="300000" />
<property name="testWhileIdle" value="true" />
<!-- 這裡建議配置為TRUE,防止取到的連接配接不可用 -->
<property name="testOnBorrow" value="true" />
<property name="testOnReturn" value="false" />
<!-- 打開PSCache,并且指定每個連接配接上PSCache的大小 -->
<property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize"
value="20" />
<!-- 這裡配置送出方式,預設就是TRUE,可以不用配置 -->
<property name="defaultAutoCommit" value="true" />
<!-- 驗證連接配接有效與否的SQL,不同的資料配置不同 -->
<property name="validationQuery" value="select 1 " />
<property name="filters" value="stat" />
</bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<!-- 配置别名,類名不區分大小寫 -->
<property name="typeAliasesPackage" value="com.ssm.model"></property>
<!-- 引入sql映射檔案 -->
<property name="mapperLocations" value="classpath:com/ssm/mapper/*.xml"></property>
<!-- 配置分頁 -->
<property name="plugins">
<array>
<bean class="com.github.pagehelper.PageInterceptor">
<!-- 配置參數 -->
<property name="properties">
<value>
helperDialect=mysql
</value>
</property>
</bean>
</array>
</property>
</bean>
<!-- <bean id="userMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
注入接口 模拟類
<property name="mapperInterface" value="com.ssm.mapper.userMapper"></property>
注入sqlsossionfactory
<property name="sqlSessionFact" value="sqlSessionFactory"></property>
</bean> -->
<!-- id預設是接口名小寫 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.ssm.mapper"></property>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
</beans>
java自己的連接配接池
<bean id="dateSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="username" value="root"></property>
<property name="password" value="123"></property>
<property name="url" value="jdbc:mysql:///hibernate?useUnicode=true&characterEncoding=utf8"></property>
<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
</bean>
c3p0連接配接池配置
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="user" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
<property name="jdbcUrl" value="${jdbc.url}"></property>
<property name="driverClass" value="${jdbc.driverClassName}"></property>
<property name="maxPoolSize" value="${jdbc.maxPoolSize}"></property>
<property name="initialPoolSize" value="${jdbc.initialPoolSize}"></property>
</bean>
DBCP連接配接池
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
<property name="username" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
<property name="url" value="${jdbc.url}"></property>
<property name="driverClassName" value="${jdbc.driverClassName}"></property>
</bean>
jdbc.properties檔案
jdbc.username=root
jdbc.password=123
jdbc.url=jdbc:mysql:///hibernate?useUnicode=true&characterEncoding=utf8
jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.maxPoolSize=200
jdbc.initialPoolSize=20
五、log4j.properties測試檔案,需要引入相關jar包
# Global logging configuration
log4j.rootLogger=INFO, stdout
# Console output...
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.err
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%5p [%t] - %m%n
六、service層
在service實作類中直接注入mybatis的UserMapper接口類,前提是在applicationContext-dao.xml中配置了如下内容,以實作接口的實作類
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.ssm.mapper"></property>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>
@Service
@Transactional
public class UserServiceImpl implements UserService{
@Autowired
private UserMapper userMapper;
@Override
public List<User> queryAllUser() {
List<User> list = userMapper.queryAllUser();
//System.out.println("service");
return list;
}
}
七、mapper包
UserMapper接口
public interface UserMapper {
List<User> queryAllUser();
}
UserMapper.xml映射檔案:
resultType="user"前提是在applicationContext-dao.xml中配置了别名
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ssm.mapper.UserMapper">
<select id="queryAllUser" resultType="user">
select * from tb_user
</select>
</mapper>
别名:
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<!-- 配置别名,類名不區分大小寫 -->
<property name="typeAliasesPackage" value="com.ssm.model"></property>
<!-- 引入sql映射檔案 -->
<property name="mapperLocations" value="classpath:com/ssm/mapper/*.xml"></property>
</bean>
若要使用分頁需要在pom中引入依賴:
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>${mybatis.pagehelper.version}</version>
</dependency>
七、控制器層測試
@Controller
public class UserController {
@Autowired
private UserService userService;
@RequestMapping("/showUser")
public String showUser(Model model,@RequestParam(defaultValue="4")Integer pageSize,
@RequestParam(defaultValue="1")Integer currentPage) {
Page<Object> page = PageHelper.startPage(currentPage, pageSize);//
List<User> list = userService.queryAllUser();
PageInfo<User> pageInfo = new PageInfo<>(list, 4);
model.addAttribute("list", list);
model.addAttribute("NavigatepageNums", pageInfo.getNavigatepageNums());
model.addAttribute("page",pageInfo);
return "allusers";
//return "allUser";
}
}