How to get the query string by javascript?

http://techfunda.com/Tools/XmlToJson

http://beautifytools.com/xml-to-json-converter.php

https://www.fyneworks.com/jquery/xml-to-json/

https://github.com/abdmob/x2js

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="jquery-1.7.1.min.js"></script>
<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>
*/

var strget="du";

function getArgs(strParame) 
{
var args = new Object( );
var query = location.search.substring(1); // Get query string
var pairs = query.split("&"); // Break at ampersand
for(var i = 0; i < pairs.length; i++) {
var pos = pairs[i].indexOf('='); // Look for "name=value"
if (pos == -1) continue; // If not found, skip
var argname = pairs[i].substring(0,pos); // Extract the name
var value = pairs[i].substring(pos+1); // Extract the value
value = decodeURIComponent(value); // Decode it, if needed
args[argname] = value; // Store as a property
}
return args[strParame]; // Return the object
}

//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;
strget=argsscript.a;
//alert(argsscript.a+" | "+argsscript.b+" | "+argsscript.c+","+strget);
//document.getElementById("txtput").value=strget;
//document.getElementById("scriptparamter").innerHTML ="ge";
//txtput

//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"));


//set value
window.onload = function () {   
    
    getCommunitys(strget);
}

function getCommunitys(str) {
$("#scriptparamter")[0].innerHTML="ges";
//document.getElementById("scriptparamter").innerHTML =str;
document.getElementById("txtput").value=str;
}

　　http://www.codeproject.com/Tips/574956/How-to-get-URL-and-QueryString-value-in-an-ASP-NET

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原文地址：https://www.cnblogs.com/geovindu/p/5115179.html