mybatis中多表联合查询与DTO的字段对应问题

Posted 2023-03-05

参考技术A 你把返回的字段映射到一个javabean里面，或者直接返回一个map，都可以。
引用文章地址： https://www.cnblogs.com/onlymate/p/4747227.html
https://blog.csdn.net/u012726702/article/details/72593547
单字段对应（没有对象外键和list） https://blog.csdn.net/vili_sky/article/details/73289962
附加：mybaits封装数据为map的方法： https://blog.csdn.net/m0_49194578/article/details/119378104?spm=1001.2101.3001.6650.1&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1.no_search_link&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-1.no_search_link
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<span style="font-family:Comic Sans MS;font-size:12px;"><?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "- //mybatis.org//DTD Mapper 3.0//EN" " http://mybatis.org/dtd/mybatis-3-mapper.dtd " >
<mapper namespace="com.sica.mapper.UserMapper">
<resultMap id="BaseResultMap" type="com.sica.domain.User">
<id column="id" property="id" jdbcType="VARCHAR"/>
<result column="username" property="username" jdbcType="VARCHAR"/>
<result column="password" property="password" jdbcType="VARCHAR"/>
</resultMap>

</update>
</mapper></span>
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