$selectid = $_GET['selectid'];
 $selectid = explode(",", $selectid);
 try {
     //开启事务
     $CaiWu = new CaiWu($db);
     $db->StartTrans();
     for ($i = 0; $i < sizeof($selectid); $i++) {
         if ($selectid[$i] != "") {
             $billid = $selectid[$i];
             $sql = "update buyplanmain set user_flag=-1 where billid={$billid} and user_flag>-1";
             $rs = $db->Execute($sql);
             if ($rs === false) {
                 throw new Exception("不存在此记录");
             }
             $CaiWu->deleteFukuanReocordByBillid($billid);
             $CaiWu->deleteshoupiaoByBillid($billid);
         }
     }
     $db->CompleteTrans();
     page_css("");
     //是否事务出现错误
     if ($db->HasFailedTrans()) {
         throw new Exception($db->ErrorMsg());
     } else {
         $return = FormPageAction("action", "init_default");
         print_infor("采购单已撤销", 'trip', "location='?{$return}'", "?{$return}", 0);
     }
 } catch (Exception $e) {
     print "<script language=javascript>alert('错误:" . $e->getMessage() . "');window.history.back(-1);</script>";
 }
 exit;