ssm_applicationContext.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:aop="http://www.springframework.org/schema/aop"
       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/aop
    http://www.springframework.org/schema/aop/spring-aop.xsd
    http://www.springframework.org/schema/tx
    http://www.springframework.org/schema/tx/spring-tx.xsd">
    <!-- 开启注解扫描，管理service和dao -->
    <context:component-scan base-package="com.itheima.ssm.service">
    </context:component-scan>
    <context:component-scan base-package="com.itheima.ssm.dao">
    </context:component-scan>
    <context:property-placeholder location="classpath:db.properties"/>
    <!-- 配置连接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>
    <!-- mybatis plus的配置 -->
    <bean id="globalConfiguration" class="com.baomidou.mybatisplus.entity.GlobalConfiguration">
        <property name="dbColumnUnderline" value="true"/>
        <property name="idType" value="0"/>
        <!--<property name="tablePrefix" value="tbl_"/>-->
    </bean>
    <!-- 把交给IOC管理 SqlSessionFactory -->
      <!-- 下面两个分别是mybatis与mybatis-plus -->
    <!--org.mybatis.spring.SqlSessionFactoryBean-->
    <bean id="sqlSessionFactory" class="com.baomidou.mybatisplus.spring.MybatisSqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:mybatis.xml"/>
        <!-- 配置pageHelper -->
        <property name="plugins">
            <array>
                <bean class="com.github.pagehelper.PageInterceptor">
                    <property name="properties">
                        <props>
                            <prop key="helperDialect">mysql</prop>
                            <prop key="reasonable">true</prop>
                        </props>
                    </property>
                </bean>
            </array>
        </property>
        <property name="globalConfig" ref="globalConfiguration"/>
    </bean>
    <!-- 扫描dao接口 和mapper文件-->
    <bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.itheima.ssm.dao"/>
    </bean>
    <!-- 配置Spring的声明式事务管理 -->
    <!-- 配置事务管理器 -->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <tx:annotation-driven transaction-manager="transactionManager"/>
</beans>