通道API存在未触发

Question

我尝试使用通道API中的状态来处理断开/连接状态。在

这是我的一些代码。在

应用程序yaml

handlers:
- url: /(.*\.(gif|png|jpg|ico|js|css))
  static_files: \1
  upload: (.*\.(gif|png|jpg|ico|js|css))

- url: .*
  script: main.py

inbound_services:
- channel_presence

主.py

^{pr2}$

Javascript

<script>
        openChannel = function(){
            var token = '{{ token }}';
            var channel = new goog.appengine.Channel(token);
            var handler = {
                  'onopen': onOpened,
                  'onmessage': onMessage,
                  'onerror': function() {},
                  'onclose': function() {}
                };
            var socket = channel.open(handler);
            socket.onopen = onOpened;
            socket.onmessage = onMessage;

            var chat = document.getElementById('chatinput');
                chat.onkeyup = function(e){
                    if(e.keyCode == 13){
                        sendChat(this.value);
                        this.value = '';
                    }
                }
        }

        sendMessage = function(path, opt_param) {
            if (opt_param) {
                path += '?' + opt_param;
            }
            var xhr = new XMLHttpRequest();
            xhr.open('POST', path, true);
            xhr.send();
        };

        onOpened = function(){
            console.log('Channel Opened');  
            var chatlog = document.getElementById('chatlog');
            var msg = document.createElement('div');
                msg.innerHTML = 'Channel Opened';
                chatlog.appendChild(msg);
            sendMessage('/chat','m='+'A User Joined.');
        }

        onMessage = function(m){
            console.log('Message Recieved');
            var chatlog = document.getElementById('chatlog');
            var msg = document.createElement('div');
            var d = new Date();
                msg.innerHTML = d.toLocaleTimeString() + ': ' + m.data;
                chatlog.appendChild(msg);
        }

        sendChat = function(msg){
            console.log(msg);
            sendMessage('/chat','m='+msg);
        }

        openChannel();
    </script>

使用此代码，connnect和{}不会在用户关闭浏览器时触发。在

这个代码有什么问题吗？在

Answer 1

是的，路线表错了。将('/', MainPage)放在路由列表的末尾。来自webapp2 URI routing guide：

When the application receives a request, it tries to match each one in order until one matches, and then call the corresponding handler.