WebSocket

var conent =this;
    var websocket,datacode,datacodearray=[],changeRate=[],closePrice=[],change=[],volume=[];
    // 首先判断是否 支持 WebSocket
    if ('WebSocket' in window) {
        websocket = new WebSocket(url);    
    } else if ('MozWebSocket' in window) {
        websocket = new MozWebSocket(url);   
    } else {
        websocket = new SockJS(url);
    }
    // 打开时
    websocket.onopen = function(evnt) {
        console.log("websocket.onopen  ");// 发送消息
        websocket.send(JSON.stringify(msg));
    };

    // 处理消息时
    websocket.onmessage = function(evnt) {
       
    };
    websocket.onerror = function(evnt) {
        console.log("  websocket.onerror  ");
    };

    websocket.onclose = function(evnt) {
        console.log("  websocket.onclose  ");
    };