2024.12.27（MyBatis知识点）

<!--加载properties文件-->
<properties resource="jdbc.properties"></properties>

<settings>
    <setting name="lazyLoadTriggerMethods" value="toString()"/>
</settings>
<!--批量取别名-->
<typeAliases>
    <package name="com.hezhe.pojo"/>
</typeAliases>


<!--environments: 运行环境-->
<environments default="development">
    <environment id="development">
        <!--当前的事务事务管理器是JDBC-->
        <transactionManager type="JDBC"></transactionManager>
        <!--数据源信息 POOLED：使用mybatis的连接池-->
        <dataSource type="POOLED">
            <property name="driver" value="${jdbc.driver}"/>
            <property name="url" value="${jdbc.url}"/>
            <property name="username" value="${jdbc.username}"/>
            <property name="password" value="${jdbc.password}"/>
        </dataSource>
    </environment>
</environments>

<mappers>
    <!--<mapper resource="com/hezhe/mapper/UserMapper.xml"></mapper>-->
    <!--批量加载映射-->
    <package name="com.hezhe.mapper"/>
</mappers>