Spring application.xml配置和web.xml配置

application.xml

<!--扫描包—->
        <context:compent-scan package="com.bdqn.exam"></context:compent-scan>
<!--事务的工厂-->
<bean class="org.springframework.jdbc.datasource.DataSourceTransactionManagert"
    id="transactionManagert"
>

 <property name="dataSource" ref="dataSource"></property>

</bean>
<!--打开事务注解-->
<tx:annotation-driven/>

<!--  打开mvc注解-->
<mvc:annotation-driven/>

<--jdbc数据源的配置工厂-->
<bean>
    <property name="driverClass" value="com.mysql.jdbc.driver">
    <property name="user" value="root">
    <property name="password" value="123">
    <property name="jdbcUrl" value="jdbc:mysql:///exam?characterEncoding=utf-8">
</bean>
<!--mybatis工厂-->
<bean class="org.mybatis.spring.SqlSessionFactoryBean" id="sqlsessionFactory">
    <property name="dataSource" value="dataSource"></property>
</bean>
<!--帮助类工厂-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
    <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory">
    <property name="basepackage" value="com.bdqn.exam.dao">
</bean>