【spring】spring的JDBC支持和事务管理配置文件

application_tx.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">
    <!--配置包扫描-->
    <context:component-scan base-package="spring"></context:component-scan>
    <!--引入数据源文件-->
    <context:property-placeholder location="classpath:config/jdbc.properties" />
    <!--配置c3p0-->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" >
        <property name="driverClass" value="${jdbc.driverClass}" />
        <property name="jdbcUrl" value="${jdbc.jdbcUrl}" />
        <property name="user" value="${jdbc.user}" />
        <property name="password" value="${jdbc.password}" />
        <property name="initialPoolSize" value="${jdbc.initPoolSize}" />
        <property name="maxPoolSize" value="${jdbc.maxPoolSize}" />
    </bean>
    <!--配置JDBC Template-->
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!--配置具名参数支持类的Bean-->
    <bean id="namedParameterJdbcTemplate" class="org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate">
        <constructor-arg ref="dataSource"></constructor-arg>
    </bean>
    <!--配置事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!--启用事务注解驱动-->
    <tx:annotation-driven transaction-manager="transactionManager"/>
</beans>

jdbc.properties

jdbc.driverClass = com.mysql.jdbc.Driver
jdbc.jdbcUrl = jdbc:mysql:///test?serverTimezone=UTC
jdbc.user = root
jdbc.password = csbt34.

jdbc.initPoolSize = 5
jdbc.maxPoolSize = 10