spring+springmvc+mybatis(ssm)

1.jdbc.properties

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/jkdb?characterEncoding=utf-8
jdbc.username=root
jdbc.password=123

c3p0.pool.size.max=20
c3p0.pool.size.min=5
c3p0.pool.size.ini=3
c3p0.pool.size.increment=2

2.mybatis.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>    

3.bean.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:mvc="http://www.springframework.org/schema/mvc"
    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-3.0.xsd 
            http://www.springframework.org/schema/mvc 
            http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd 
            http://www.springframework.org/schema/context 
            http://www.springframework.org/schema/context/spring-context-3.0.xsd 
            http://www.springframework.org/schema/aop 
            http://www.springframework.org/schema/aop/spring-aop-3.0.xsd 
            http://www.springframework.org/schema/tx 
            http://www.springframework.org/schema/tx/spring-tx-3.0.xsd ">
            
    <!-- 管理service和dao -->
    <context:component-scan base-package="cn.itcast.jk.service,cn.itcast.jk.dao"/>
    <context:property-placeholder location="classpath:jdbc.properties"/>
                
    <!-- 数据库链接信息 -->        
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driverClassName}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>

        <property name="maxPoolSize" value="${c3p0.pool.size.max}"/>
        <property name="minPoolSize" value="${c3p0.pool.size.min}" />
        <property name="initialPoolSize" value="${c3p0.pool.size.ini}"/>
        <property name="acquireIncrement" value="${c3p0.pool.size.increment}"/>
    </bean>
        
    <!-- sqlSessionFactory spring和myBatis整合 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:sqlMapConfig.xml"/>
        <property name="mapperLocations" value="classpath:cn/itcast/jk/mapper/*.xml"/>
    </bean>
    
    <!-- 事务管理 -->    
    <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!-- 通知 -->    
    <tx:advice id="txAdvice" transaction-manager="txManager">
        <tx:attributes>
            <tx:method name="find*" read-only="true" />
            <tx:method name="get*" read-only="true" />
            <tx:method name="view*" read-only="true" />
            <tx:method name="insert*" propagation="REQUIRED" />
            <tx:method name="update*" propagation="REQUIRED" />
            <tx:method name="delete*" propagation="REQUIRED" />
            <tx:method name="*" propagation="REQUIRED" /><!-- 防止漏网之鱼 -->
        </tx:attributes>
    </tx:advice>

    <aop:config>
        <!-- 切点 管理所有Service的方法 -->
        <aop:pointcut expression="execution(* cn.itcast.jk.service.*.*(..))" id="transactionPointCut"/>
        <!-- 增强，进行事务控制 Advisor -->
        <aop:advisor advice-ref="txAdvice" pointcut-ref="transactionPointCut"/>
    </aop:config>
</beans>            

4.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:mvc="http://www.springframework.org/schema/mvc"
    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-3.0.xsd 
    http://www.springframework.org/schema/mvc 
    http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd 
    http://www.springframework.org/schema/context 
    http://www.springframework.org/schema/context/spring-context-3.0.xsd 
    http://www.springframework.org/schema/aop 
    http://www.springframework.org/schema/aop/spring-aop-3.0.xsd 
    http://www.springframework.org/schema/tx 
    http://www.springframework.org/schema/tx/spring-tx-3.0.xsd ">
    
    <mvc:annotation-driven/>
    
    <!-- 扫描controller -->
    <context:component-scan base-package="cn.itcast.jk.controller"/>
    
    <!-- 内部资源视图解析器 -->
    <bean id="jspInternalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/pages/"/>
        <property name="suffix" value=""/>
    </bean>
</beans>