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darkfe/cleancache.html

Created May 14, 2014 07:46
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QQ 冲掉缓存
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cleancache.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>更新文件--Ptlogin</title>
<script>
//判断浏览器类型
function browser_version(){
var ua = navigator.userAgent.toLowerCase();
return ua.match(/msie ([\d.]+)/)? 1 :
ua.match(/firefox\/([\d.]+)/) ? 3 :
ua.match(/chrome\/([\d.]+)/) ? 5 :
ua.match(/opera.([\d.]+)/) ? 9 :
ua.match(/version\/([\d.]+).*safari/) ? 7 : 1;
}
function cleanCache(f){
var xmlHttp = false;
try {
xmlHttp = new XMLHttpRequest();
} catch (trymicrosoft) {
try {
xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (othermicrosoft) {
try {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (failed) {
xmlHttp = false;
}
}
}
if (!xmlHttp){
alert("请按F5刷新页面");
return;
}
xmlHttp.open('GET', f);
var version=browser_version();
switch(version){
case 1://ie
xmlHttp.setRequestHeader('If-Modified-Since', '0');
xmlHttp.setRequestHeader('Cache-Control', 'no-cache,no-store');
xmlHttp.setRequestHeader('Pragma', 'no-cache');
break;
case 3://firfox 还发不出请求
xmlHttp.open('POST', f);
xmlHttp.setRequestHeader('Cache-Control', 'no-cache,no-store');
break;
case 5://chrome
xmlHttp.setRequestHeader('Cache-Control', 'no-cache');
xmlHttp.setRequestHeader('Pragma', 'no-cache');
break
case 7://safari
xmlHttp.setRequestHeader('Cache-Control', 'max-age=0');
break;
case 9://opera
}
xmlHttp.send();
}
if (location.hash){
//var file = location.hash.substring(1,location.href.length);
var file = location.href.substring(location.href.indexOf("#")+1, location.href.length);
cleanCache(file);
}
</script>
</head>
<body>
</body>
</html>
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