登录失效提示

application/index/extend/Basic.php

@@ -217,13 +217,21 @@ class Basic extends Controller
     public function userVerify(){
         $this->lastLoginTime = Session::get("lastLoginTime");
         if(empty($this->userName) || empty($this->userId) || empty($this->lastLoginTime) ){
-            $this->redirect('/index/login');
+            if ($this->request->isAjax()) {
+                echo json_encode(array( "code" => "101", "msg" => "登录失效,请重新登录", "data" => [], "type" => "json" ));exit;
+            } else {
+                $this->redirect('/index/login');
+            }
         }
 
         $time = time();
         //登录有效期为2小时
         if (($time - $this->lastLoginTime) > 36000) {
-            $this->redirect('/index/login');
+            if ($this->request->isAjax()) {
+                echo json_encode(array( "code" => "101", "msg" => "登录失效,请重新登录", "data" => [], "type" => "json" ));exit;
+            } else {
+                $this->redirect('/index/login');die;
+            }
         } else {
             //更新时间
             Session::set("lastLoginTime", $time);