select * from tb_survey_answer where survey_id = #{surveyId} and user_id = #{userId} and del_flag = '0' limit 1 insert ignore into tb_survey_answer (survey_id, user_id, submit_time, update_time2, create_by, create_time, update_by, update_time, del_flag) values (#{surveyId}, #{userId}, #{submitTime}, #{updateTime2}, #{createBy}, #{createTime}, #{updateBy}, #{updateTime}, '0') update tb_survey_answer submit_time = #{submitTime}, update_time2 = #{updateTime2}, update_by = #{updateBy}, update_time = #{updateTime}, where id = #{id} select * from tb_survey_answer where user_id = #{userId} and del_flag = '0' order by submit_time desc select a.user_id as userId, u.user_name as userName, u.nick_name as nickName, a.submit_time as submitTime from tb_survey_answer a left join sys_user u on u.user_id = a.user_id where a.survey_id = #{surveyId} and a.del_flag = '0' order by a.submit_time desc