a.id AS "id", a.train_id AS "train.id", a.content AS "content", a.score AS "score", a.create_by AS "createBy.id", a.create_date AS "createDate", a.update_by AS "updateBy.id", a.update_date AS "updateDate", a.del_flag AS "delFlag", train.title AS "train.title", user.name AS "createBy.name" LEFT JOIN edu_train_plan train ON train.id = a.train_id LEFT JOIN sys_user user ON user.id = a.create_by INSERT INTO edu_train_comment( id, train_id, content, score, create_by, create_date, update_by, update_date, del_flag ) VALUES ( #{id}, #{train.id}, #{content}, #{score}, #{createBy.id}, #{createDate}, #{updateBy.id}, #{updateDate}, #{delFlag} ) UPDATE edu_train_comment SET train_id = #{train.id}, content = #{content}, score = #{score}, update_by = #{updateBy.id}, update_date = #{updateDate} WHERE id = #{id} DELETE FROM edu_train_comment WHERE id = #{id} UPDATE edu_train_comment SET del_flag = #{DEL_FLAG_DELETE} WHERE id = #{id}