spring.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:jee="http://www.springframework.org/schema/jee"
    xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd 
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd 
http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.1.xsd 
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd 
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd">

    <tx:annotation-driven transaction-manager="transactionManager"/>
	<context:annotation-config></context:annotation-config>
	<context:component-scan base-package="com.aixuexiao"/>
    
    <!-- 加载配置文件 -->
    <bean id="propertyConfigurer"
        class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <list>
                <value>classpath:db.properties</value>
            </list>
        </property>
    </bean>
	
    
    <!-- 配置数据源 -->
    <bean id="readDataSource"  class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
        <property name="driverClass" value="com.mysql.jdbc.Driver" />
        <property name="jdbcUrl">
            <value><![CDATA[jdbc:mysql://${db.read.host}:${db.read.port}/${db.read.database}?useUnicode=true&characterEncoding=gbk&zeroDateTimeBehavior=convertToNull&rewriteBatchedStatements=true]]></value>
        </property>
        <property name="user"               value="${db.read.userName}" />
        <property name="password"           value="${db.read.password}" />
        <property name="maxPoolSize"        value="12" />
        <property name="minPoolSize"        value="0" />
        <property name="maxStatements"      value="100" />
        <property name="initialPoolSize"    value="3" />
        <property name="maxIdleTime"        value="10"/>
        <property name="idleConnectionTestPeriod"   value="10" />
        <property name="testConnectionOnCheckin"    value="true" />
        <property name="testConnectionOnCheckout"   value="false" />
        <property name="preferredTestQuery"         value="SELECT 1 FROM DUAL" />
    </bean>

    <!-- 配置读的 ibatis （从库）-->
    <bean id="readSqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="dataSource" ref="readDataSource" />
		<property name="configLocation" value="classpath:sqlMapConfig.xml"/>
	</bean>
    
    
    <bean id="readSqlSession" class="org.mybatis.spring.SqlSessionTemplate">
		<constructor-arg index="0" ref="readSqlSessionFactory" />
	</bean>

    <!-- 配置数据源（主库） -->
    <bean id="writeDataSource"  class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
        <property name="driverClass" value="com.mysql.jdbc.Driver" />
        <property name="jdbcUrl">
            <value><![CDATA[jdbc:mysql://${db.write.host}:${db.write.port}/${db.write.database}?useUnicode=true&characterEncoding=gbk&zeroDateTimeBehavior=convertToNull&rewriteBatchedStatements=true]]></value>
        </property>
        <property name="user"               value="${db.write.userName}" />
        <property name="password"           value="${db.write.password}" />
        <property name="maxPoolSize"        value="12" />
        <property name="minPoolSize"        value="0" />
        <property name="maxStatements"      value="100" />
        <property name="initialPoolSize"    value="3" />
        <property name="maxIdleTime"        value="10"/>
        <property name="idleConnectionTestPeriod"   value="10" />
        <property name="testConnectionOnCheckin"    value="true" />
        <property name="testConnectionOnCheckout"   value="false" />
        <property name="preferredTestQuery"         value="SELECT 1 FROM DUAL" />
    </bean>  

    <!-- 配置写的ibatis （主库）-->
    <bean id="writerSqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
		<property name="dataSource" ref="writeDataSource" />
		<property name="configLocation" value="classpath:sqlMapConfig.xml"/>
	</bean>
    
    <bean id="writerSqlSession" class="org.mybatis.spring.SqlSessionTemplate">
		<constructor-arg index="0" ref="writerSqlSessionFactory" />
	</bean>
    
     <!-- 事务控制 （主库）-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
		<property name="dataSource" ref="writeDataSource" />
	</bean>
    
</beans>