Spring+SpringMVC+Mybatis架構整合
1.1 目錄結構
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicmbw5SYiFmNkFzN0gDO2czN2YmYjZzN4QTNlNDZmZzYkhjZh9CX0JXZ252bj91Ztl2Lc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)
Spring+Mybatis
1.2 依賴整理
<!-- https://mvnrepository.com/artifact/com.github.pagehelper/pagehelper -->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.2.1</version>
</dependency>
<!-- junit5 -->
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-engine</artifactId>
<version>5.7.2</version>
<scope>test</scope>
</dependency>
<!-- Spring 的測試功能 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>5.3.8</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>2.0.6</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.3.8</version>
</dependency>
<!-- SpringMVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.3.8</version>
</dependency>
<!-- Spring 持久化層所需依賴 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>5.3.8</version>
</dependency>
<!-- logback -->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.2.3</version>
</dependency>
<!-- ServletAPI -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency>
<!-- Spring5和Thymeleaf整合包 -->
<dependency>
<groupId>org.thymeleaf</groupId>
<artifactId>thymeleaf-spring5</artifactId>
<version>3.0.12.RELEASE</version>
</dependency>
<!-- Mybatis核心 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.7</version>
</dependency>
<!-- MySQL驅動 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.25</version>
</dependency>
<!-- 連接配接池資料源 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.0.16</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.20</version>
</dependency>
1.3 配置 jdbc.properties
jdbc.url=jdbc:mysql://47.106.207.254:3306/empdb
jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.username=*****
jdbc.password=******
jdbc.filters=stat
jdbc.initialSize=2
jdbc.maxActive=300
jdbc.maxWait=60000
jdbc.timeBetweenEvictionRunsMillis=60000
jdbc.minEvictableIdleTimeMillis=300000
jdbc.validationQuery=SELECT 1
jdbc.testWhileIdle=true
jdbc.testOnBorrow=false
jdbc.testOnReturn=false
jdbc.poolPreparedStatements=false
jdbc.maxPoolPreparedStatementPerConnectionSize=200
1.4 加入logback.xml
<?xml version="1.0" encoding="UTF-8"?>
<configuration debug="true">
<!-- 指定日志輸出的位置 -->
<appender name="STDOUT"
class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<!-- 日志輸出的格式 -->
<!-- 按照順序分别是:時間、日志級别、線程名稱、列印日志的類、日志主體内容、換行 -->
<pattern>[%d{HH:mm:ss.SSS}] [%-5level] [%thread] [%logger] [%msg]%n</pattern>
</encoder>
</appender>
<!-- 設定全局日志級别。日志級别按順序分别是:DEBUG、INFO、WARN、ERROR -->
<!-- 指定任何一個日志級别都隻列印目前級别和後面級别的日志。 -->
<root level="INFO">
<!-- 指定列印日志的appender,這裡通過“STDOUT”引用了前面配置的appender -->
<appender-ref ref="STDOUT"/>
</root>
<!-- 根據特殊需求指定局部日志級别 -->
<!-- <logger name="mapper.EmpMapper" level="DEBUG"/>-->
</configuration>
1.5 引入spring-context.xml
<?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:context="http://www.springframework.org/schema/context"
xmlns:mybatis-spring="http://mybatis.org/schema/mybatis-spring"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
https://www.springframework.org/schema/context/spring-context.xsd
http://mybatis.org/schema/mybatis-spring http://mybatis.org/schema/mybatis-spring.xsd
http://www.springframework.org/schema/tx
https://www.springframework.org/schema/tx/spring-tx.xsd">
<context:annotation-config></context:annotation-config>
<!-- 配置自動掃描的包 -->
<context:component-scan base-package="com.model"/>
<context:component-scan base-package="com.mapper"/>
<context:component-scan base-package="com.services"/>
<!-- 配置 Mapper 接口類型的掃描器 -->
<mybatis-spring:scan base-package="com.mapper"/>
<!-- 導入外部屬性檔案 -->
<context:property-placeholder location="classpath:mysql-jdbc.properties"/>
<!-- 配置資料源 -->
<bean id="druidDataSource" class="com.alibaba.druid.pool.DruidDataSource">
<property name="url" value="${jdbc.url}"/>
<property name="driverClassName" value="${jdbc.driver}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<property name="filters" value="${jdbc.filters}"/>
<property name="initialSize" value="${jdbc.initialSize}"/>
<property name="maxActive" value="${jdbc.maxActive}"/>
<property name="maxWait" value="${jdbc.maxWait}"/>
<property name="timeBetweenEvictionRunsMillis" value="${jdbc.timeBetweenEvictionRunsMillis}"/>
<property name="minEvictableIdleTimeMillis" value="${jdbc.minEvictableIdleTimeMillis}"/>
<property name="validationQuery" value="${jdbc.validationQuery}"/>
<property name="testWhileIdle" value="${jdbc.testWhileIdle}"/>
<property name="testOnBorrow" value="${jdbc.testOnBorrow}"/>
<property name="testOnReturn" value="${jdbc.testOnReturn}"/>
<property name="poolPreparedStatements" value="${jdbc.poolPreparedStatements}"/>
<property name="maxPoolPreparedStatementPerConnectionSize"
value="${jdbc.maxPoolPreparedStatementPerConnectionSize}"/>
</bean>
<!-- 配置 JdbcTemplate -->
<bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
<!-- 裝配資料源 -->
<property name="dataSource" ref="druidDataSource"/>
</bean>
<!-- 建立一個事務管理器 -->
<bean id="TransactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!-- 注入資料源 -->
<property name="dataSource" ref="druidDataSource"></property>
</bean>
<!-- 注冊事務管理器驅動 -->
<tx:annotation-driven transaction-manager="TransactionManager"/>
<!-- 配置 SqlSessionFactoryBean -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 舍棄 Mybatis 全局配置檔案,使用 configuration 屬性 -->
<property name="configuration">
<bean class="org.apache.ibatis.session.Configuration">
<property name="mapUnderscoreToCamelCase" value="true"/>
</bean>
</property>
<!-- 舍棄 Mybatis 全局配置檔案,使用 typeAliasesPackage 屬性配置實體類所在包 -->
<property name="typeAliasesPackage" value="com.model"/>
<!-- 指定 Mapper 配置檔案位置 -->
<property name="mapperLocations" value="classpath:com/mapper/*Mapper.xml"/>
<!-- 裝配資料源 -->
<property name="dataSource" ref="druidDataSource"/>
</bean>
</beans>
1.6 引入mybatis-config.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<!-- Mybatis全局配置 -->
<settings>
<!-- 将資料庫表字段映射到駝峰式命名的Java實體類屬性中 -->
<!-- 資料庫表字段格式:單詞_單詞 -->
<!-- Java實體類屬性:首字母小寫的駝峰式命名 -->
<setting name="mapUnderscoreToCamelCase" value="true"/>
</settings>
</configuration>
1.7 模型建立
實體類、mapper
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Seat {
private Integer seatId;
private String seatName;
}
@Component
public interface SeatMapper {
List<Seat> selectAll();
}
mapper.xml
<?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.mapper.SeatMapper">
<select id="selectAll" resultType="com.model.Seat">
select *
from seat;
</select>
</mapper>
1.8 進行測試
import com.mapper.SeatMapper;
import com.model.Seat;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
import org.springframework.transaction.annotation.Transactional;
import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.List;
@SpringJUnitConfig(locations = {"classpath:springConfig/spring-context.xml"})
public class SSMTest01 {
@Autowired
private DataSource dataSource;
@Autowired
private SeatMapper seatMapper;
Logger logger = LoggerFactory.getLogger(getClass());
@Test
public void testConn() throws SQLException {
Connection connection = dataSource.getConnection();
logger.debug(connection.toString());
}
@Test
@Transactional(readOnly = true)
public void selectTest01()
{
List<Seat> seatList = seatMapper.selectAll();
for (Seat seat: seatList
) {
System.out.println(seat);
}
}
}
Spring+SpringMVC
1.9 Web.xml配置
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
version="4.0">
<!-- ContextLoaderListener -->
<!-- 通過 context-param 指定 Spring 架構的配置檔案位置 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springConfig/spring-context.xml</param-value>
</context-param>
<!-- 配置 ContextLoaderListener 監聽器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- DispatcherServlet -->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springConfig/spring-mvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- 需要注意兩個 Filter 的順序:字元集過濾器在前,轉換請求方式過濾器在後 -->
<!-- CharacterEncodingFilter -->
<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>forceRequestEncoding</param-name>
<param-value>true</param-value>
</init-param>
<init-param>
<param-name>forceResponseEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- HiddenHttpMethodFilter -->
<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>
</web-app>
1.10 spring-mvc.xml(Thymeleaf)
<?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:context="http://www.springframework.org/schema/context"
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
https://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
https://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 自動掃描包,讓指定包下的注解生效,由IOC容器統一管理 -->
<context:component-scan base-package="com.controller"/>
<!-- 讓Spring MVC不處理靜态資源 -->
<mvc:default-servlet-handler/>
<!-- SpringMVC 注解驅動(标配) -->
<mvc:annotation-driven/>
<!-- Thymeleaf視圖解析器 -->
<bean id="viewResolver" class="org.thymeleaf.spring5.view.ThymeleafViewResolver">
<property name="order" value="1"/>
<property name="characterEncoding" value="UTF-8"/>
<property name="templateEngine">
<bean class="org.thymeleaf.spring5.SpringTemplateEngine">
<property name="templateResolver">
<bean class="org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver">
<!-- 視圖字首 -->
<property name="prefix" value="/WEB-INF/view/"/>
<!-- 視圖字尾 -->
<property name="suffix" value=".html"/>
<property name="templateMode" value="HTML5"/>
<property name="characterEncoding" value="UTF-8"/>
</bean>
</property>
</bean>
</property>
</bean>
</beans>
1.11 分控制器
package com.controller;
import com.mapper.SeatMapper;
import com.model.Seat;
import com.services.PageInfoDemo01;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
import java.util.List;
@Controller
public class IndexHandle {
@Autowired
private SeatMapper seatMapper;
@RequestMapping(value = "/", method = {RequestMethod.GET})
public ModelAndView indexView(
ModelAndView mv) {
List<Seat> seatList = seatMapper.selectAll();
mv.addObject("seatList", seatList);
mv.setViewName("index");
return mv;
}}
1.12 html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>首頁</title>
</head>
<body>
<br>
<h1>SSM整合測試</h1>
<!--按鈕-->
<div class="row">
<div class="col-md-4 col-md-offset-8">
<button class="btn btn-primary">新增</button>
<button class="btn btn-danger">删除</button>
</div>
</div>
<!--顯示表格資料-->
<div class="row">
<div class="col-md-12">
<table class="table table-hover">
<tr>
<th>ID</th>
<th>NAME</th>
</tr>
<tbody th:if="${#lists.isEmpty(seatList)}">
<tr>
<td colspan="3">抱歉!沒有查詢到資料!</td>
</tr>
</tbody>
<tbody th:if="${not #lists.isEmpty(seatList)}">
<tr th:each="seat : ${seatList}">
<td th:text="${seat.seatId}">這裡顯示員工ID</td>
<td th:text="${seat.seatName}">這裡顯示員工NAME</td>
</tr>
</tbody>
</table>
</div>
</div>
</body>
</html>
1.13 啟動Tomcat
完成