mybatis+spring

https://blog.csdn.net/qq_42371269/article/details/83505269

<!-- 1) 读取properties中的内容-->
    <context:property-placeholder location="classpath:jdbc.properties"/>
 
    <!-- 2) 数据库连接池 -->
    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="driverClassName" value="${drivername}"/>
        <property name="url" value="${url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${password}"/>
        <property name="maxActive" value="${max}"/>
        <property name="minIdle" value="${min}"/>
    </bean>
 
    <!-- 3) 获取 SqlSessionFactory 工厂类-->
    <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
    </bean>
 
    <!-- 4) 搜索有哪些 mapper 实现类，把mapper接口自动配置成 spring 中的 <bean>-->
    <bean id="scannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
 
        <!-- name="basePackage":(起始)包名, 从这个包开始扫描-->
        <property name="basePackage" value="com.chen.mapper"/>
 
    </bean>