zj-Exercise/SSM/mybatis_resultMap/target/classes/mybatis-config.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "https://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>

    <!--
         MyBatis核心配置文件中的标签，必须要按照指定的顺序进行配置：
         properties?,settings?,typeAliases?,typeHandlers?,
         objectFactory?,objectWrapperFactory?,reflectorFactory?,
         plugins?,environments?,databaseIdProvider?,mappers?
    -->

    <properties resource="jdbc.properties"/>

    <settings>
        <!--将下划线映射为驼峰-->
        <setting name="mapUnderscoreToCamelCase" value="true"/>
        <!--开启延迟加载-->
        <setting name="lazyLoadingEnabled" value="true"/>
        <!--按需加载-->
        <setting name="aggressiveLazyLoading" value="false"/>
    </settings>

    <typeAliases>
        <!--实体类对应的包-->
        <package name="com.cdxw.mybatis.pojo"/>
    </typeAliases>

    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC"/>
            <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>
        <!--映射文件对应的包-->
        <package name="com.cdxw.mybatis.mapper"/>
    </mappers>
</configuration>