SSM项目中,事务管理不起作用

今天在联系项目的时候,测试事务的时候,发现Spring管理的事务不起作用,百度了一大圈,终于发现了问题所在.

项目结构图:

修改前的application.xml

<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    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 http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd ">

    
    <context:property-placeholder location="classpath:db.properties" />

    
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
        destroy-method="close">
        <property name="url" value="${jdbc_url}" />
        <property name="username" value="${jdbc_user}" />
        <property name="password" value="${jdbc_password}" />
        <property name="driverClassName" value="${jdbc_driver}" />

        <property name="filters" value="stat" />

        <property name="maxActive" value="20" />
        <property name="initialSize" value="1" />
        <property name="maxWait" value="60000" />
        <property name="minIdle" value="1" />

        <property name="timeBetweenEvictionRunsMillis" value="60000" />
        <property name="minEvictableIdleTimeMillis" value="300000" />

        <property name="validationQuery" value="SELECT 'x'" />
        <property name="testWhileIdle" value="true" />
        <property name="testOnBorrow" value="false" />
        <property name="testOnReturn" value="false" />
        <property name="poolPreparedStatements" value="true" />
        <property name="maxPoolPreparedStatementPerConnectionSize"
            value="20" />
    bean>

    
    <bean name="sqlsessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        
        <property name="configLocation" value="classpath:sqlMapConfig.xml">property>
        
        <property name="dataSource" ref="dataSource">property>
    bean>

    
    <bean class = "org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.tangbaobao.crm.dao" />
        <property name="sqlSessionFactoryBeanName" value="sqlsessionFactory">property>
    bean>


    
    <bean name="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        
        <property name="dataSource" ref="dataSource">property>
        bean>
        
    <tx:annotation-driven transaction-manager="transactionManager" />
beans>

修改前的spmvc-servlet.xml

<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    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 http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd ">

    
    <context:component-scan base-package="com.tangbaobaor">context:component-scan>

    
    
    
    <mvc:annotation-driven />

    
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/files/" />
        <property name="suffix" value=".jsp">property>
    bean>


<mvc:interceptors>
    <mvc:interceptor>
        <mvc:mapping path="/customer/**"/>
        <mvc:mapping path="/message/**"/>
        <bean class="com.tangbaobao.crm.interceptor.LoginInceptor">bean>
    mvc:interceptor>
mvc:interceptors>

beans>

修改后:
application.xml

<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    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 http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd ">

    
    <context:property-placeholder location="classpath:db.properties" />

    
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
        destroy-method="close">
        <property name="url" value="${jdbc_url}" />
        <property name="username" value="${jdbc_user}" />
        <property name="password" value="${jdbc_password}" />
        <property name="driverClassName" value="${jdbc_driver}" />

        <property name="filters" value="stat" />

        <property name="maxActive" value="20" />
        <property name="initialSize" value="1" />
        <property name="maxWait" value="60000" />
        <property name="minIdle" value="1" />

        <property name="timeBetweenEvictionRunsMillis" value="60000" />
        <property name="minEvictableIdleTimeMillis" value="300000" />

        <property name="validationQuery" value="SELECT 'x'" />
        <property name="testWhileIdle" value="true" />
        <property name="testOnBorrow" value="false" />
        <property name="testOnReturn" value="false" />
        <property name="poolPreparedStatements" value="true" />
        <property name="maxPoolPreparedStatementPerConnectionSize"
            value="20" />
    bean>

    
    <bean name="sqlsessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        
        <property name="configLocation" value="classpath:sqlMapConfig.xml">property>
        
        <property name="dataSource" ref="dataSource">property>
    bean>

    
    <bean class = "org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.tangbaobao.crm.dao" />
        <property name="sqlSessionFactoryBeanName" value="sqlsessionFactory">property>
    bean>


<context:component-scan base-package="com.tangbaobao">context:component-scan>

    
    <bean name="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        
        <property name="dataSource" ref="dataSource">property>
        bean>
        
    <tx:annotation-driven transaction-manager="transactionManager" />
beans>

修改后spv-servlet.xml

<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context"
    xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    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 http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd ">

    
    <context:component-scan base-package="com.tangbaobao.crm.controller">context:component-scan>
    <context:component-scan base-package="com.tangbaobao.common.utils">context:component-scan>
    
    
    
    <mvc:annotation-driven />

    
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/files/" />
        <property name="suffix" value=".jsp">property>
    bean>


<mvc:interceptors>
    <mvc:interceptor>
        <mvc:mapping path="/customer/**"/>
        <mvc:mapping path="/message/**"/>
        <bean class="com.tangbaobao.crm.interceptor.LoginInceptor">bean>
    mvc:interceptor>
mvc:interceptors>

beans>

总结

SpringMVC的配置文件中,配置的扫描包值用来扫描Controller层的,所以官方建议,只在springMVC的配置文件中配置视图层的
application.xml配置全局的包,这样就可以啦