spring-config.xml

<?xml version="1.0" encoding="UTF-8"?>
<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" xmlns="http://www.springframework.org/schema/beans"xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsdhttp://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd"><context:property-placeholder location="classpath:db.properties"/><context:component-scan base-package="xx.xx"/><context:annotation-config/><bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"><property name="location" value="db.properties"/></bean><bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"><property name="driverClass" value="${db.driver}"/><property name="jdbcUrl" value="${db.url}"/><property name="user" value="${db.username}"/><property name="password" value="${db.password}"/></bean><bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"><property name="dataSource" ref="dataSource"/></bean><!-- 整合 mybatis --><bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"><property name="dataSource" ref="dataSource"/><property name="configLocation" value="classpath:mybatis-config.xml"></property><property name="mapperLocations" value="classpath:mapper/*.xml"/></bean><bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"><property name="annotationClass" value="org.springframework.stereotype.Repository"/><property name="basePackage" value="xx.dao"/></bean><!-- 事务配置 --><bean name="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"><property name="dataSource" ref="dataSource"></property></bean><tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/>
</beans>

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><typeAliases><package name="xx.model"/></typeAliases></configuration>

声明式事务，好强大的感觉。。。