public function actionDetaildetshow()
 {
     $id = $_GET['id'];
     $itemdetail = new Itemdetails();
     $detail = $itemdetail->detailDet($id);
     $file = new Files();
     $filelocation = $file->fileLocation($id);
     if ($filelocation) {
         echo '{"success":true,"msg":"请输查询入内容"}';
     } else {
         echo '{"success":true,"msg":"请输查询入内容"}';
     }
 }