select * from test_q where projectId = #{projectId} and parentId = -1 select * from test_q where projectId = #{projectId} INSERT into test_q(name, parentId, projectId, totalNumber, openNumber, faultNumber, closeNumber) values(#{name}, #{parentId}, #{projectId}, #{totalNumber}, #{openNumber}, #{faultNumber}, #{closeNumber}) UPDATE test_q name=#{name}, projectId=#{projectId}, totalNumber=#{totalNumber}, openNumber=#{openNumber}, faultNumber=#{faultNumber}, closeNumber=#{closeNumber}, WHERE id=#{id} DELETE FROM test_q where id = #{id}