a.task_id, a.task_group_id, a.task_name, a.task_code, a.main_user_id, a.user_ids, a.plan_start_date, a.plan_end_date, a.actual_start_date, a.actual_end_date, a.status, a.overdue_status, a.update_by, a.create_time, a.create_by, a.update_time select , p.project_name from project_task a left join user u on a.main_user_id=u.user_id left join project p on a.project_id=p.project_id and (a.task_name like concat('%', #{keyword,jdbcType=VARCHAR}, '%') or a.task_code like concat('%', #{keyword,jdbcType=VARCHAR}, '%')) and a.task_id like concat ('%', #{taskId}, '%') and a.task_group_id like concat ('%', #{taskGroupId}, '%') and a.task_name like concat ('%', #{taskName}, '%') and a.task_code like concat ('%', #{taskCode}, '%') and a.main_user_id like concat ('%', #{mainUserId}, '%') and a.user_ids like concat ('%', #{userIds}, '%') and a.plan_start_date = #{planStartDate} and a.plan_end_date = #{planEndDate} and a.actual_start_date = #{actualStartDate} and a.actual_end_date = #{actualEndDate} and a.status = #{status} and a.overdue_status = #{overdueStatus} and (a.task_name like concat ('%', #{taskNameOrMainUser}, '%') or u.name like concat ('%', #{taskNameOrMainUser}, '%') ) and a.project_id=#{projectId} and (a.main_user_id = #{userId} or a.user_ids like concat('%', #{userId},'%')) WITH RECURSIVE task_tree AS ( SELECT * FROM project_task pt WHERE task_id = #{taskId} -- 起始父级任务ID UNION ALL SELECT t.* FROM project_task t INNER JOIN task_tree tt ON t.task_id = tt.parent_task_id ) select * from task_tree