application.xml配置

<?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:aop="http://www.springframework.org/schema/aop"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="
          http://www.springframework.org/schema/aop
          http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
          http://www.springframework.org/schema/beans
          http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
          http://www.springframework.org/schema/context
          http://www.springframework.org/schema/context/spring-context-4.0.xsd
          http://www.springframework.org/schema/mvc
          http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
          http://www.springframework.org/schema/tx
          http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">


    <!-- 自动扫描 -->
    <context:component-scan base-package="com.video" />


    <!-- 配置属性文件 -->
    <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE" />
        <property name="ignoreResourceNotFound" value="true" />
        <property name="locations">
            <list>
                <value>classpath:conf/db.properties</value>
            </list>
        </property>
        <property name="ignoreUnresolvablePlaceholders" value="true" />
    </bean>


    <!-- 配置数据源 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driver}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />
        <!-- 初始化连接数量 -->
        <property name="initialSize" value="${jdbc.pool.poolSize}" />
        <!-- 最小空闲连接数 -->
        <property name="minIdle" value="${jdbc.pool.minPoolSize}" />
        <!-- 最大并发连接数 -->
        <property name="maxActive" value="${jdbc.pool.maxPoolSize}" />
        <!-- 配置获取连接等待超时的时间 -->
        <property name="maxWait" value="${jdbc.pool.borrowConnectionTimeout}" />
        <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
        <property name="timeBetweenEvictionRunsMillis" value="${jdbc.pool.maintenanceInterval}" />
        <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
        <property name="minEvictableIdleTimeMillis" value="300000" />
        <!-- 用来检测连接是否有效的sql，要求是一个查询语句 -->
        <property name="validationQuery" value="SELECT 'x'" />
        <!-- 申请连接的时候检测 -->
        <property name="testWhileIdle" value="true" />
        <!-- 申请连接时执行validationQuery检测连接是否有效，配置为true会降低性能 -->
        <property name="testOnBorrow" value="false" />
        <!-- 归还连接时执行validationQuery检测连接是否有效，配置为true会降低性能 -->
        <property name="testOnReturn" value="false" />
        <!-- 打开PSCache，并且指定每个连接上PSCache的大小 -->
        <property name="poolPreparedStatements" value="false" />
        <property name="maxPoolPreparedStatementPerConnectionSize" value="20" />
        <!-- 配置监控统计拦截的filters -->
        <property name="filters" value="stat" />
    </bean>


     <!--配置mybatis的sqlSessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <!-- 自动扫描mappers.xml文件 ，要加上classpath:-->
        <property name="mapperLocations" value="classpath*:**/dao/*.xml"></property>
        <!-- mybatis配置文件 -->
        <!--<property name="configLocation" value="classpath:mybatis-config.xml"></property>-->
    </bean>


    <!-- DAO接口所在包名，Spring会自动查找其下的类 -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.video.**.dao"/>
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
    </bean>


    <!-- 事务管理器 -->
    <bean id="transactionManager"
          class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>


    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <tx:attributes>
            <tx:method name="insert*" propagation="REQUIRED" isolation="READ_COMMITTED" />
            <tx:method name="save*" propagation="REQUIRED" isolation="READ_COMMITTED" />
            <tx:method name="update*" propagation="REQUIRED" isolation="READ_COMMITTED" />
            <tx:method name="exec*" propagation="REQUIRED" isolation="READ_COMMITTED" />
            <tx:method name="delete*" propagation="REQUIRED" isolation="READ_COMMITTED" />
            <tx:method name="remove*" propagation="REQUIRED" isolation="READ_COMMITTED" />
            <tx:method name="add*" propagation="REQUIRED" isolation="READ_COMMITTED" />
            <tx:method name="minus*" propagation="REQUIRED" isolation="READ_COMMITTED" />
            <tx:method name="find*" propagation="REQUIRED" isolation="READ_COMMITTED" read-only="true" />
            <tx:method name="get*" propagation="REQUIRED" isolation="READ_COMMITTED" read-only="true" />
        </tx:attributes>
    </tx:advice>


    <aop:config>
        <aop:pointcut id="txPointcut" expression="execution(* com.video.*.service..*.*(..))" />
        <aop:advisor pointcut-ref="txPointcut" advice-ref="txAdvice" />
    </aop:config>
    <!-- 开启事务注解驱动 -->
    <tx:annotation-driven transaction-manager="transactionManager"  />
</beans>