no message

app/Http/Controllers/UinappHomeController.php

@@ -38,6 +38,8 @@ class UinappHomeController extends Controller
     public function imitation(Request $request)
     {
         $imitationdata = $request->input('imitationdata');
+
+        if ($imitationdata != '') {
             if ($this->isKanji($imitationdata)) {
                 $data = DB::table('device as d')
                     ->join('device_type as t', 'd.dtype', '=', 't.tid')
@@ -60,28 +62,34 @@ class UinappHomeController extends Controller
                     ->get();
             }
             return $this->jsonSuccessData($data);
+        }else{
+            return $this->jsonSuccessData('');
         }
+
+    }
+
     //指定查询
-    public function setseachdata (Request $request){
+    public function setseachdata(Request $request)
+    {
         $setdata = $request->input('setseachdata');
-        if ($this->isKanji($setdata)){
+        if ($this->isKanji($setdata)) {
             $data = DB::table('device as d')
                 ->join('device_type as t', 'd.dtype', '=', 't.tid')
                 ->join('gas as g', 'd.status', '=', 'g.id')
                 ->join('danwei as  w', 'd.devicemonad', '=', 'w.id')
                 ->join('status as s', 'd.devicepolice', '=', 's.id')
                 ->join('users as u', 'd.uid', '=', 'u.id')
-                ->where('d.username','=',$setdata)
+                ->where('d.username', '=', $setdata)
                 ->select('d.*', 't.tname', 'g.gas', 'w.danwei', 's.status_name', 'u.username as nameh', 'u.isadmin')
                 ->get();
-        }else{
+        } else {
             $data = DB::table('device as d')
                 ->join('device_type as t', 'd.dtype', '=', 't.tid')
                 ->join('gas as g', 'd.status', '=', 'g.id')
                 ->join('danwei as  w', 'd.devicemonad', '=', 'w.id')
                 ->join('status as s', 'd.devicepolice', '=', 's.id')
                 ->join('users as u', 'd.uid', '=', 'u.id')
-                ->where('d.devicenum','=',$setdata)
+                ->where('d.devicenum', '=', $setdata)
                 ->select('d.*', 't.tname', 'g.gas', 'w.danwei', 's.status_name', 'u.username as nameh', 'u.isadmin')
                 ->get();
         }
@@ -91,10 +99,12 @@ class UinappHomeController extends Controller
     //监测是否是汉子
     private function isKanji($str)
     {
-        if (preg_match("/^[" . chr(0x80) . "-" . chr(0xff) . "] $/", $str)) {
+        if (preg_match("/^[\x7f-\xff]+$/", $str)) {
             return true;
         } else {
             return false;
         }
     }
+
+    //主页home的
 }
\ No newline at end of file