代码如下: <?php $ConnID=@odbc_connect("jtfcht","admin",""); if ($ConnID){ @odbc_exec($ConnID,"DELETE * FROM Room WHERE (RoomID Not IN (SELECT DISTINCT RoomID FROM User)) AND RoomID<>1"); $result=@odbc_exec($ConnID,"SELECT PassWord,LstTime,RoomID,RefRate FROM User WH
