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http://blog.sina.com.cn/s/blog_4a424eca010004jx.html
http://download.csdn.net/source/2154281
JScript code:
<script language="javascript">
var request = false;
//ʵÀý»¯XMLHttpRequest
function createXMLHttpRequest()
{
try
{
request = new ActivexObject("Msxml2.XMLHTTP");
}
catch(e1)
{
try
{
request = new ActivexObject("Microsoft.XMLHTTP");
}
catch(e2)
{
request = false;
}
}
if(!request && typeof XMLHttpRequest != 'undefined')
{
//·ÇIEÄÚºËä¯ÀÀÆ÷ʵÀý»¯XMLHttpRequestµÄ·½·¨
request = new XMLHttpRequest();
}
}
//·¢ËͿͻ§¶ËÇëÇóµÄ·½·¨
function getServerTime(format)
{
//µ÷ÓÃÉÏÃæµÄ·½·¨ÊµÀý»¯XMLHttpRequest
createXMLHttpRequest();
//escape()¶ÔÌØÊâ×Ö·û½øÐÐתÒå
var url = "ServerTime.aspx?format="+escape(format);
//alert(url);
//ͨ¹ýGETµÄ·½Ê½´ò¿ªÇëÇ󣬵ÚÈý¸ö²ÎÊýture±íʾÒì²½·¢ËÍÇëÇó£¬false±íʾͬ²½
request.open("GET",url,true);
//µ±requestµÄµÈ´ý״̬·¢Éú±ä»¯Ê±ÒªÖ´ÐеĿͻ§¶Ë·½·¨
request.onreadystatec
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