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QueryString in Javascript

摘要: QueryString in Javascript

<textarea readonly style="border:none;font-family:Courier New;line-height:150%;width:760px;overflow-y:visible"> ///Page.QueryString[]
<script language=javascript>
function QueryString(fieldName)
{ </body>
var urlString = document.location.search;
if(urlString != null)
{
var typeQu = fieldName+"=";
var urlEnd = urlString.indexOf(typeQu);
if(urlEnd != -1)
{
var paramsUrl = urlString.substring(urlEnd+typeQu.length);
var isEnd = paramsUrl.indexOf('&');
if(isEnd != -1)
{
return paramsUrl.substring(0, isEnd);
}
else
{
return paramsUrl;
}
}
else
return null;
}
else
return null;
}
</script>