ttc_5.0/ttc-backen/target/classes/mapper/SysUserThirdLkMapper.xml

<?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="cn.ubitech.ttc.dao.SysUserThirdLkMapper">

    <!-- 开启二级缓存 -->
    <!--<cache type="org.mybatis.caches.ehcache.LoggingEhcache"/>-->

    <select id="getUserByOpenId" resultType="cn.ubitech.ttc.entity.SysUsers">
        select u.* from sys_users u
        left join sys_user_third_lk t
        on t.userid = u.userid
        where t.openid = #{openId}
    </select>
</mapper>