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HTML5 EventSource的用法

<!DOCTYPE html><html><head><meta charset="utf-8"><title></title></head><body><h1>获取服务端更新数据</h1><div id="result"></div><script type="text/javascript">    if (typeof (EventSource) !== "undefined") {        var source = new EventSource("data.aspx");        source.onmessage = function (event) {                       document.getElementById("result").innerHTML += event.data + "<br>";        };        source.onerror = function (event) {            console.log("error"+event);        }        source.onopen = function () {            console.log(开始连接);        }    }    else {        document.getElementById("result").innerHTML = "抱歉,你的浏览器不支持 server-sent 事件...";    }</script></body></html>

 

HTML5 EventSource的用法