网络接口

/**
 * Author:W
 * 网络接口
 * 1.XMLHttpRequest:短连接
 * 2.WebSocket:长连接
 */
cc.Class({
    extends: cc.Component,

    properties: {
        
    },

    // LIFE-CYCLE CALLBACKS:

    // onLoad () {},

    start () {

    },

    //发起短连接
    sendHttpRequest:function(){        
        var url="https://wwww.baidu.com";
        var xhr = new XMLHttpRequest();
        xhr.onreadystatechange = function(){
            if(xhr.readyState == 4 && (xhr.status>=200 && xhr.status<400)){
                var response = xhr.responseText;
                //
            }
        };

        //get 请求
        xhr.open("GET",url,true);
        //发送
        xhr.send();
    },

    //长连接
    registerWebSocket:function(){
        this.webReq  =  new WebSocket("ws://echo.websocket.org");
        webReq.onopen = function(event){
            cc.log("连接已经打开");
        };

        webReq.onmessage = function(event){

        };

        webReq.onerror = function(event){
            cc.log("连接出错");
        };

        webReq.onclose = function(event){
            cc.log("连接关闭");
        };
    },

    //发送消息
    sendMsg:function(){
        if(this.webReq.readyState == WebSocket.OPEN)
        {
            this.webReq.send("message");
        }else
        {
            cc.log("WebSocket 实例没创建成功");
        }
    },

    // update (dt) {},
});