1.html:
<a href="2.html?name=geovindu&sex=woman&age=12">test getQueryString</a>
2.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 content="text/html; charset=utf-8" http-equiv="Content-Type" />
<title>javascript获取url参数和script标签中获取url参数</title>
<script type="text/javascript" src="js1.js?a=abc&b=汉字&c=123"></script>
<script type="text/javascript">
//lastest: url paramter： //测试链接：<a href="2.html?name=geovindu&sex=woman&age=12">test getQueryString</a>
var queryStrings=function() {//get url querystring
var params=document.location.search,reg=/(?:^\?|&)(.*?)=(.*?)(?=&|$)/g,temp,args={};
while((temp=reg.exec(params))!=null) args[temp[1]]=decodeURIComponent(temp[2]);
return args;
};
//只取一个：
var queryString=function(key){
return (document.location.search.match(new RegExp("(?:^\\?|&)"+key+"=(.*?)(?=&|$)"))||[‘‘,null])[1];
}
</script>
</head>
<body>
<div id="urlparamter"></div>
<div id="all"></div>
<div id="scriptparamter"></div>
<div id="allscript"></div>
<script type="text/javascript">
var args=queryStrings();
document.getElementById("all").innerHTML=args.name+" | "+args.sex+" | "+args.age+",all";
//alert(args.name+" | "+args.sex+" | "+args.age);
var argsname=queryString("name");
var argssex=queryString("sex");
var argsage=queryString("age");
document.getElementById("urlparamter").innerHTML =argsname+","+argssex+","+argsage;
</script>
</body>
</html>
js1.js:
/*http://css.dusystem.com/example/index.html
window.location.protocol = "http:"
window.location.host = "css.dusystem.com"
window.location.pathname = "example/index.html"
http://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript
http://www.cnblogs.com/sohighthesky/archive/2010/01/21/1653126.html
http://www.codeproject.com/Tips/574956/How-to-get-URL-and-QueryString-value-in-an-ASP-NET
test: <a href="1.html?id=5&type=1&flag=0" title="d">test</a>
*/
//script paramter:
var getScriptArgs=function(){//获取多个参数
var scripts=document.getElementsByTagName("script"),
script=scripts[scripts.length-1],//因为当前dom加载时后面的script标签还未加载，所以最后一个就是当前的script
src=script.src,
reg=/(?:\?|&)(.*?)=(.*?)(?=&|$)/g,
temp,res={};
while((temp=reg.exec(src))!=null) res[temp[1]]=decodeURIComponent(temp[2]);
return res;
};
//
var argsscript=getScriptArgs();
//document.getElementById("scriptparamter").innerHTML =argsscript.a+" | "+argsscript.b+" | "+argsscript.c;
alert(argsscript.a+" | "+argsscript.b+" | "+argsscript.c);
//假如上面的js是在这个js1.js的脚本中<script type="text/javascript" src="js1.js?a=abc&b=汉字&c=123//"><//script>
var getScriptArg=function(key){//获取单个参数
var scripts=document.getElementsByTagName("script"),
script=scripts[scripts.length-1],
src=script.src;
return (src.match(new RegExp("(?:^\\?|&)"+key+"=(.*?)(?=&|$)"))||[‘‘,null])[1];
};
alert(getScriptArg("c"));
How to get the query string by javascript?
原文：http://www.cnblogs.com/geovindu/p/5115179.html