/**

  * [获取URL中的参数名及参数值的集合]

  * 示例URL:http://htmlJsTest/getrequest.html?uid=admin&rid=1&fid=2&name=小明

  * @param {[string]} urlStr [当该参数不为空的时候，则解析该url中的参数集合]

  * @return {[string]}       [参数集合]

  */

 function GetRequest(urlStr) {

     if (typeof urlStr == "undefined") {

         var url = decodeURI(location.search); //获取url中"?"符后的字符串

     } else {

         var url = "?" + urlStr.split("?")[1];

     }

     var theRequest = new Object();

     if (url.indexOf("?") != -1) {

         var str = url.substr(1);

         strs = str.split("&");

         for (var i = 0; i < strs.length; i++) {

             theRequest[strs[i].split("=")[0]] = decodeURI(strs[i].split("=")[1]);

         }

     }

     return theRequest;

 }

 var parms_1 = GetRequest();

 console.log(parms_1); // {"uid":"admin","rid":"1","fid":"2","name":"小明"}

 console.log(parms_1['name']); // '小明'

 var parms_2 = GetRequest('http://htmlJsTest/getrequest.html?uid=admin&rid=1&fid=2&name=小明');

 console.log(parms_2); // {"uid":"admin","rid":"1","fid":"2","name":"小明"}

 console.log(parms_2['name']); // '小明'

 /**

  * [通过参数名获取url中的参数值]

  * 示例URL:http://htmlJsTest/getrequest.html?uid=admin&rid=1&fid=2&name=小明

  * @param  {[string]} queryName [参数名]

  * @return {[string]}           [参数值]

  */

 function GetQueryValue(queryName) {

     var query = decodeURI(window.location.search.substring(1));

     var vars = query.split("&");

     for (var i = 0; i < vars.length; i++) {

         var pair = vars[i].split("=");

         if (pair[0] == queryName) { return pair[1]; }

     }

     return null;

 }

 var queryVal=GetQueryValue('name');

 console.log(queryVal);// 小明

 /**

  * [通过参数名获取url中的参数值]

  * 示例URL:http://htmlJsTest/getrequest.html?uid=admin&rid=1&fid=2&name=小明

  * @param  {[string]} queryName [参数名]

  * @return {[string]}           [参数值]

  */

 function GetQueryValue1(queryName) {

     var reg = new RegExp("(^|&)" + queryName + "=([^&]*)(&|$)", "i");

     var r = window.location.search.substr(1).match(reg);

     if ( r != null ){

        return decodeURI(r[2]);

     }else{

        return null;

     }

  }

 var queryVal=GetQueryValue1('name');

 console.log(queryVal);// 小明