有用的JAvaScript
/*
函数功能:从URL得到指定参数的值
*/
function GetUrlArg(strArg, strUrl) {
var _url;
if(typeof(strUrl)=="undefined")
_url = location.href + "&";
else
_url = strUrl + "&";
var regex = new RegExp("(\\?|\\&)" + strArg + "=([^\\&\\?]*)\\&", "gi");
if (! regex.test(_url)) return "";
var arr = regex.exec(_url);
return (RegExp.$2);
}
function urlQuery(){
var sq = "";
for(i=0; i<arguments.length(); i++){
if(sq!="") sq = sq += "&";
sq += arguments[i] + "=" + GetUrlArg(arguments[i]);
}
return sq;
}
函数功能:从URL得到指定参数的值
*/
function GetUrlArg(strArg, strUrl) {
var _url;
if(typeof(strUrl)=="undefined")
_url = location.href + "&";
else
_url = strUrl + "&";
var regex = new RegExp("(\\?|\\&)" + strArg + "=([^\\&\\?]*)\\&", "gi");
if (! regex.test(_url)) return "";
var arr = regex.exec(_url);
return (RegExp.$2);
}
function urlQuery(){
var sq = "";
for(i=0; i<arguments.length(); i++){
if(sq!="") sq = sq += "&";
sq += arguments[i] + "=" + GetUrlArg(arguments[i]);
}
return sq;
}