显示服务器时间并一直显示(html代码)-白红宇

显示服务器时间并一直显示

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<html>

<head>

<title>获取服务器端时间并不停网页在显示上</title>

</head>

<body>

function createXMLHttpRequest () {

var request = false;

if(window.XMLHttpRequest) {

request = new XMLHttpRequest();

if(request.overrideMimeType) {

request.overrideMimeType('text/xml');

}

} else if(window.ActiveXObject) {

var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];

for(var i=0; i<versions.length; i++) {

try {

request = new ActiveXObject(versions[i]);

if(request) {

return request;

}

} catch(e) {

//alert(e.message);

}

return request;

}

var http = createXMLHttpRequest();

http.open("HEAD", ".", false);

http.send(null);

var curDate = new Date;

var offsetTime = curDate - Date.parse(http.getResponseHeader("Date"));

setInterval(function()

{

curDate.setTime(new Date - offsetTime);

document.getElementById("spnTime").innerHTML = curDate.toLocaleString();

}, 1000);

</script>

</body>

</html>

本文转自 jxwpx 51CTO博客，原文链接：http://blog.51cto.com/jxwpx/297917，如需转载请自行联系原作者