update wx group chat

application/services/wx/GroupChatService.php

@@ -18,7 +18,6 @@ class GroupChatService
 {
     public $wxApp;
     public $pageSize = 100;
-    public $nextCursor = '';
     public $ownerUserIds = [];
     public $departmentId; // 部门id
 
@@ -40,8 +39,9 @@ class GroupChatService
      */
     public function process()
     {
+        $nextCursor = ''; // 下一页游标，首次为空，请求接口会返回
         while (true) {
-            $result = $this->getGroupChatList($this->nextCursor);
+            $result = $this->getGroupChatList($nextCursor);
             if (empty($result['group_chat_list'])) {
                 break;
             }
@@ -62,7 +62,7 @@ class GroupChatService
             if (empty($result['next_cursor'])) {
                 break;
             }
-            $this->nextCursor = $result['next_cursor'];
+            $nextCursor = $result['next_cursor'];
         }
     }