Question

我有一个iOS和Android应用程序，部署在Parse Server中。现在，我想从云功能中使用LiveQuery SDK！

这是我的云代码：

Parse.Cloud.define("subscribeQueryFunction", function(request, response) {
    var query = new Parse.Query("Message");
    var subscription = query.subscribe();

    subscription.on("create", (object) => {
        response.success(object);
    });
});

我的Swift代码：

    override func viewDidLoad() {
    super.viewDidLoad()
    // Do any additional setup after loading the view, typically from a nib.

    PFCloud.callFunction(inBackground: "subscribeQueryFunction", withParameters: nil) { (res: Any?, e: Error?) in
        print(res)
        print(e)
    }
}

问题是，客户没有得到回复！虽然，我检查了日志，但似乎已建立订阅：

2017-05-14T16:49:12.442Z - Ran cloud function subscribeQueryFunction for user D7FP3cts5p with: Input: {} Result: {"text":"hey","createdAt":"2017-05-14T16:49:12.412Z","updatedAt":"2017-05-14T16:49:12.412Z","objectId":"DXCiumOTal","__type":"Object","className":"Message"} 2017-05-14T16:49:11.101Z - Ran cloud function subscribeQueryFunction for user D7FP3cts5p with: Input: {} Result: {"text":"hey","createdAt":"2017-05-14T16:49:11.044Z","updatedAt":"2017-05-14T16:49:11.044Z","objectId":"qkXS6csCKJ","__type":"Object","className":"Message"} 2017-05-14T16:49:09.099Z - Ran cloud function subscribeQueryFunction for user D7FP3cts5p with: Input: {} Result: {"text":"hey","createdAt":"2017-05-14T16:49:09.080Z","updatedAt":"2017-05-14T16:49:09.080Z","objectId":"ydnrDHO9AP","__type":"Object","className":"Message"} 2017-05-14T16:47:45.183Z - Create new client: 0

有什么想法吗？

Answer 1

不在服务器端使用实时查询。 Live Query使用Web套接字与您的客户实时交互。但是，当你的应用程序关闭时，套接字也会关闭...所以你需要的是推送通知

如果您想制作一个实时的消息传递应用程序，请解析您的需求：

实施解析实时查询以在应用程序打开时使用Web套接字获取新消息
使用推送通知，因此当您关闭应用时，您会收到新消息

在Cloud Code中解析LiveQuery

1 个答案: