delete from t_student where studentId=#{studentId}
update t_record set detail=#{detail} where recordId=#{recordId}
insert into t_record(studentNumber,studentName,dormBuildId,dormName,date,detail) values(#{studentNumber},#{studentName},#{dormBuildId},#{dormName},current_date,#{detail})
delete from t_record where recordId=#{recordId}
update t_dormmanager set userName=#{userName},name=#{name},tel=#{tel} where dormManId=#{dormManId}
update t_dormmanager set password=#{password} where dormManId=#{dormManId}