<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd"> <configuration> <!-- properties resource 路径 --> <properties resource="jdbc.properties"></properties> <!-- setting --> <settings> <!-- 驼峰命名 --> <setting name="mapUnderscoreToCamelCase" value="true"/> <!-- 开启延迟加载 --> <setting name="lazyLoadingEnabled" value="true"/> </settings> <!-- 别名 --> <typeAliases> <!-- name 包名路径 批量设置 取小写 --> <package name="com.lc.pojo"/> </typeAliases> <environments default="development"> <environment id="development"> <transactionManager type="JDBC"/> <dataSource type="POOLED"> <!--mysql8版本 --> <property name="driver" value="${driver}"/> <property name="url" value="${url}"/> <property name="username" value="${username}"/> <property name="password" value="${password}"/> </dataSource> </environment> </environments> <!-- 设置映射文件路径--> <mappers> <!--<mapper resource="mapper/UserMapper.xml"/>--> <!-- package 配置xml映射文件 name 接口位置 接口和xml路径相同 --> <package name="com.lc.mapper"/> </mappers> </configuration>