是否有一种通过jQuery（或不使用）检索查询字符串值的无插件方法？
如果是，怎么办？如果没有，是否有插件可以这样做？
当前回答
这是JavaScript从URL获取int和String参数值的最简单和最小的函数
/* THIS FUNCTION IS TO FETCH INT PARAMETER VALUES */
function getParameterint(param) {
var val = document.URL;
var url = val.substr(val.indexOf(param))
var n=parseInt(url.replace(param+"=",""));
alert(n);
}
getParameteraint("page");
getParameteraint("pagee");
/*THIS FUNCTION IS TO FETCH STRING PARAMETER*/
function getParameterstr(param) {
var val = document.URL;
var url = val.substr(val.indexOf(param))
var n=url.replace(param+"=","");
alert(n);
}
getParameterstr("str");
来源和演示：http://bloggerplugnplay.blogspot.in/2012/08/how-to-get-url-parameter-in-javascript.html
其他回答
最漂亮但最基本的：
data = {};
$.each(
location.search.substr(1).split('&').filter(Boolean).map(function(kvpairs){
return kvpairs.split('=')
}),
function(i,values) {
data[values.shift()] = values.join('=')
}
);
它不处理值列表，例如？a[]=1&a[]2
我接受了这个答案，并添加了对可选地将URL作为参数传入的支持；返回到window.location.search。显然，这对于从不是当前页面的URL获取查询字符串参数非常有用：
(function($, undef) {
$.QueryString = function(url) {
var pairs, qs = null, index, map = {};
if(url == undef){
qs = window.location.search.substr(1);
}else{
index = url.indexOf('?');
if(index == -1) return {};
qs = url.substring(index+1);
}
pairs = qs.split('&');
if (pairs == "") return {};
for (var i = 0; i < pairs.length; ++i)
{
var p = pairs[i].split('=');
if(p.length != 2) continue;
map[p[0]] = decodeURIComponent(p[1].replace(/\+/g, " "));
}
return map;
};
})(jQuery);
function GET() {
var data = [];
for(x = 0; x < arguments.length; ++x)
data.push(location.href.match(new RegExp("/\?".concat(arguments[x],"=","([^\n&]*)")))[1])
return data;
}
example:
data = GET("id","name","foo");
query string : ?id=3&name=jet&foo=b
returns:
data[0] // 3
data[1] // jet
data[2] // b
or
alert(GET("id")[0]) // return 3
以下函数返回queryString的对象版本。您可以简单地编写obj.key1和obj.key2来访问参数中key1和key2的值。
function getQueryStringObject()
{
var querystring = document.location.search.replace('?','').split( '&' );
var objQueryString={};
var key="",val="";
if(typeof querystring == 'undefined')
{
return (typeof querystring);
}
for(i=0;i<querystring.length;i++)
{
key=querystring[i].split("=")[0];
val=querystring[i].split("=")[1];
objQueryString[key] = val;
}
return objQueryString;
}
要使用此函数，您可以编写
var obj= getQueryStringObject();
alert(obj.key1);
这些都是很好的答案，但我需要一些更强大的东西，我想你们可能都想拥有我创造的东西。
这是一种简单的库方法，可以对URL参数进行剖析和操作。静态方法有以下子方法，可以在主题URL上调用：
获取主机获取路径获取哈希setHash获取参数获取查询setParam（设置参数）获取参数hasParamremoveParam（删除参数）
例子：
URLParser(url).getParam('myparam1')
var url = "http://www.example.com/folder/mypage.html?myparam1=1&myparam2=2#something";
function URLParser(u){
var path="",query="",hash="",params;
if(u.indexOf("#") > 0){
hash = u.substr(u.indexOf("#") + 1);
u = u.substr(0 , u.indexOf("#"));
}
if(u.indexOf("?") > 0){
path = u.substr(0 , u.indexOf("?"));
query = u.substr(u.indexOf("?") + 1);
params= query.split('&');
}else
path = u;
return {
getHost: function(){
var hostexp = /\/\/([\w.-]*)/;
var match = hostexp.exec(path);
if (match != null && match.length > 1)
return match[1];
return "";
},
getPath: function(){
var pathexp = /\/\/[\w.-]*(?:\/([^?]*))/;
var match = pathexp.exec(path);
if (match != null && match.length > 1)
return match[1];
return "";
},
getHash: function(){
return hash;
},
getParams: function(){
return params
},
getQuery: function(){
return query;
},
setHash: function(value){
if(query.length > 0)
query = "?" + query;
if(value.length > 0)
query = query + "#" + value;
return path + query;
},
setParam: function(name, value){
if(!params){
params= new Array();
}
params.push(name + '=' + value);
for (var i = 0; i < params.length; i++) {
if(query.length > 0)
query += "&";
query += params[i];
}
if(query.length > 0)
query = "?" + query;
if(hash.length > 0)
query = query + "#" + hash;
return path + query;
},
getParam: function(name){
if(params){
for (var i = 0; i < params.length; i++) {
var pair = params[i].split('=');
if (decodeURIComponent(pair[0]) == name)
return decodeURIComponent(pair[1]);
}
}
console.log('Query variable %s not found', name);
},
hasParam: function(name){
if(params){
for (var i = 0; i < params.length; i++) {
var pair = params[i].split('=');
if (decodeURIComponent(pair[0]) == name)
return true;
}
}
console.log('Query variable %s not found', name);
},
removeParam: function(name){
query = "";
if(params){
var newparams = new Array();
for (var i = 0;i < params.length;i++) {
var pair = params[i].split('=');
if (decodeURIComponent(pair[0]) != name)
newparams .push(params[i]);
}
params = newparams;
for (var i = 0; i < params.length; i++) {
if(query.length > 0)
query += "&";
query += params[i];
}
}
if(query.length > 0)
query = "?" + query;
if(hash.length > 0)
query = query + "#" + hash;
return path + query;
},
}
}
document.write("Host: " + URLParser(url).getHost() + '<br>');
document.write("Path: " + URLParser(url).getPath() + '<br>');
document.write("Query: " + URLParser(url).getQuery() + '<br>');
document.write("Hash: " + URLParser(url).getHash() + '<br>');
document.write("Params Array: " + URLParser(url).getParams() + '<br>');
document.write("Param: " + URLParser(url).getParam('myparam1') + '<br>');
document.write("Has Param: " + URLParser(url).hasParam('myparam1') + '<br>');
document.write(url + '<br>');
// Remove the first parameter
url = URLParser(url).removeParam('myparam1');
document.write(url + ' - Remove the first parameter<br>');
// Add a third parameter
url = URLParser(url).setParam('myparam3',3);
document.write(url + ' - Add a third parameter<br>');
// Remove the second parameter
url = URLParser(url).removeParam('myparam2');
document.write(url + ' - Remove the second parameter<br>');
// Add a hash
url = URLParser(url).setHash('newhash');
document.write(url + ' - Set Hash<br>');
// Remove the last parameter
url = URLParser(url).removeParam('myparam3');
document.write(url + ' - Remove the last parameter<br>');
// Remove a parameter that doesn't exist
url = URLParser(url).removeParam('myparam3');
document.write(url + ' - Remove a parameter that doesn\"t exist<br>');
