SSM整合

Mybatis的xml配置文件

mybatis_cfg.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>
 
</configuration>

Spring的xml配置文件

spring_cfg.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: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/tx
 http://www.springframework.org/schema/tx/spring-tx.xsd">

	<!-- 配置扫描包 -->
	<context:component-scan base-package="com.ssm"></context:component-scan>

	

	<!-- 配置事务管理对象 -->
	<bean id="transactionManager"
		class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="dataSource"></property>
	</bean>
	
	<!-- <tx:jta-transaction-manager>org.springframework.jdbc.datasource.DataSourceTransactionManager</tx:jta-transaction-manager> -->
	<tx:annotation-driven
		transaction-manager="transactionManager" />


	<!--整合mybatis -->
	<bean name="sqlSessionFactory"
		class="org.mybatis.spring.SqlSessionFactoryBean">
		<!-- 加载数据源 -->
		<property name="dataSource" ref="dataSource"></property>
		<!-- 加载mybatis矿建的配置文件 当前的配置文件是可有可无的 -->
		<property name="configLocation"
			value="classpath:mybatis_cfg.xml"></property>
		<!-- 设定别名 -->
		<property name="typeAliasesPackage" value="com.ssm.entity"></property>
		<!-- 加载mapper.xml文件 -->
		<property name="mapperLocations"
			value="classpath:mapper/*.xml"></property>
	</bean>
	
	<!--将mapper接口代理对象交由spring管理 -->
	<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
		<!-- 通过反射生成这个包下所有接口的代理对象 将这些对象放入到容器中管理 -->
		<property name="basePackage" value="com.ssm.dao"></property>
	</bean>
	
	
	<!-- 配置数据库连接池 -->
	<bean id="dataSource"
		class="com.mchange.v2.c3p0.ComboPooledDataSource">
		<property name="driverClass" value="com.mysql.jdbc.Driver" />
		<property name="jdbcUrl"
			value="jdbc:mysql:///user?useUnicode=true&amp;characterEncoding=utf-8" />
		<property name="user" value="root" />
		<property name="password" value="123" />
	</bean>


</beans>

Springmvc的xml配置文件

springmvc_cfg.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:mvc="http://www.springframework.org/schema/mvc"
	xmlns:context="http://www.springframework.org/schema/context"
	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/mvc
 http://www.springframework.org/schema/mvc/spring-mvc.xsd">
	
	<context:component-scan base-package="com.ssm"></context:component-scan>
	
	<!-- 静态资源管理 -->
	<mvc:default-servlet-handler/>
	<mvc:annotation-driven></mvc:annotation-driven>
	
	</beans>

web.xml配置

<?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"
	version="3.1">
	<display-name>ssm01</display-name>


	<!-- 监听ApplicationContent容器 -->
	<listener> 
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> 
	</listener>
	<!-- 加载spring_cfg.xml配置文件 -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:spring_cfg.xml</param-value>
	</context-param>
	<servlet>
		<servlet-name>springmvc</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath:springmvc_cfg.xml</param-value>
		</init-param>
	</servlet>


	<servlet-mapping>
		<servlet-name>springmvc</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>


	<!-- characterEncodingFilter字符编码过滤器 -->
	<filter>
		<filter-name>characterEncodingFilter</filter-name>
		<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
		<init-param>
			<!--要使用的字符集，一般我们使用UTF-8(保险起见UTF-8最好) -->
			<param-name>encoding</param-name>
			<param-value>UTF-8</param-value>
		</init-param>
		<init-param>
			<!--是否强制设置request的编码为encoding，默认false，不建议更改 -->
			<param-name>forceRequestEncoding</param-name>
			<param-value>false</param-value>
		</init-param>
		<init-param>
			<!--是否强制设置response的编码为encoding，建议设置为true，下面有关于这个参数的解释 -->
			<param-name>forceResponseEncoding</param-name>
			<param-value>true</param-value>
		</init-param>
	</filter>
	<filter-mapping>
		<filter-name>characterEncodingFilter</filter-name>
		<!--这里不能留空或者直接写 ' / ' ，否则不起作用 -->
		<url-pattern>/*</url-pattern>
	</filter-mapping>
</web-app>