SSM整合Spring+SpringMVC+MyBatis

1.导包

1).spring包

2).springMVC包

3).mybatis包

4).mybatis-spring整合包

5).数据库驱动包

6).连接池包

7).日志包

2.加入入配置文件

spring配置文件application.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:aop="http://www.springframework.org/schema/aop" 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 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 ">
	
    <!-- 扫描service层注解 -->
	<context:component-scan base-package="ssmtest.service"></context:component-scan>
	
	<!-- 引入外部的JDBC配置文件 -->
	<context:property-placeholder location="classpath:jdbc.properties"/>
	
    <!-- 配置连接池C3p0 -->
	<bean name="datasource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<property name="driverClass" value="${jdbc.driverClass}"></property>
		<property name="jdbcUrl" value="${jdbc.jdbcUrl}"></property>
		<property name="user" value="${jdbc.user}"></property>
		<property name="password" value="${jdbc.password}" ></property>
	</bean>
	
	
	<!-- 配置SqlSessionFactory -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 配置mybatis核心配置文件 -->
		<property name="configLocation" value="classpath:SqlMapConfig.xml" />
		<!-- 配置数据源 -->
		<property name="dataSource" ref="datasource" />
	</bean>
	<!-- 扫描dao层mapper接口 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<property name="basePackage" value="ssmtest.dao"></property>
	</bean>
	
	
	<!-- 事务核心管理器. 依赖于连接池-->
	<bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager" >
	<property name="dataSource" ref="datasource" ></property>
	</bean>
	 <!-- 开启使用注解管理aop事务 -->
	<tx:annotation-driven/>
	
</beans>

springMVC配置文件springmvc.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:p="http://www.springframework.org/schema/p"
	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-4.0.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd">

	<!-- 配置controller扫描包 -->
	<context:component-scan base-package="test" />
	<!-- 自动配置适配器和映射器 -->
	<mvc:annotation-driven />
	<!-- 配置视图解析器 -->
	<bean
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<!-- 配置逻辑视图的前缀 -->
		<!--  <property name="prefix" value="/WEB-INF/jsp/" />-->
		<!-- 配置逻辑视图的后缀 -->
		<!--  <property name="suffix" value=".jsp" />-->
	</bean>

</beans>

mybatis配置文件SqlMapConfig.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>

<!-- 别名 -->
	<typeAliases>
		<package name="ssmtest.pojo" />
	</typeAliases>

<!-- 不需要配置别名就放一个空头，但不可以没有 -->
	
</configuration>

tomcat配置文件web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
  <display-name>ssmtest</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
    <welcome-file>index.htm</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.html</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.jsp</welcome-file>
  </welcome-file-list>
  
  	<!-- 配置spring加载配置文件的监听器 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:applicationContext.xml</param-value>
	</context-param>
	<!-- 使用监听器加载Spring配置文件 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	
    <!-- 配置SpringMVC前端控制器 -->
	<servlet>
		<servlet-name>springmvc-first</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<!-- 指定SpringMVC配置文件 -->
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:springmvc.xml</param-value>
		</init-param>
	</servlet>

	<servlet-mapping>
		<servlet-name>springmvc-first</servlet-name>
		<!-- 设置所有以action结尾的请求进入SpringMVC -->
		<url-pattern>*.action</url-pattern>
	</servlet-mapping>
</web-app>