classes/artifacts/project_war_exploded/WEB-INF/applicationContext.xml

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<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" 
	xmlns:mybatis="http://mybatis.org/schema/mybatis-spring"
	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"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
			            http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
			            http://www.springframework.org/schema/context
			            http://www.springframework.org/schema/context/spring-context-4.2.xsd
			            http://www.springframework.org/schema/mvc
			            http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd
			            http://www.springframework.org/schema/tx
			            http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
			            http://mybatis.org/schema/mybatis-spring 
			            http://mybatis.org/schema/mybatis-spring.xsd ">
			      
	 <!-- mybatis:scan会扫描org.fkit.dao包里的所有接口当作Spring的bean配置，之后可以进行依赖注入-->  
    <mybatis:scan base-package="com.rain.dao"/>   
       
	 <!-- 扫描org.fkit包下面的java文件，有Spring的相关注解的类，则把这些类注册为Spring的bean -->
    <context:component-scan base-package="com.rain"/>
    
	<!-- 使用PropertyOverrideConfigurer后处理器加载数据源参数 -->
	<context:property-override location="classpath:db.properties"/>

	<!-- 配置c3p0数据源 -->
	<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource"/>
	
	<!-- 配置SqlSessionFactory，org.mybatis.spring.SqlSessionFactoryBean是Mybatis社区开发用于整合Spring的bean -->
	<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"
	    p:dataSource-ref="dataSource"/>
	
	<!-- JDBC事务管理器 -->
	<bean id="transactionManager" 
	class="org.springframework.jdbc.datasource.DataSourceTransactionManager"
		 p:dataSource-ref="dataSource"/>
	
	<!-- 启用支持annotation注解方式事务管理 -->
	<tx:annotation-driven transaction-manager="transactionManager"/>
	
</beans>