id, userId, content, answer, handleUserId, handleTime, insertTime, state SELECT * FROM (SELECT ui.nickName as userName,ui.phone as userPhone,su.`name` as handleUserName,pp.* FROM t_problem as pp LEFT JOIN t_user as ui on ui.id = pp.userId LEFT JOIN sys_user as su on su.id = pp.handleUserId) as o 1=1 AND (o.insertTime between CONCAT(#{beginTime},' 00:00:00') and CONCAT(#{endTime},' 23:59:59')) and o.userName LIKE CONCAT('%',#{userName},'%') and o.state = #{state} order by o.id desc