js 获取 url 参数

 

 

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/**  * 根据页面地址获取所有参数对象  * @return Object{} 返回所有参数  * ------------------------------  * 根据页面地址获取指定参数对象  * @return String 返回指定参数  * ------------------------------  * 示例: http://xxx/x.json?name=test&id=100  * $.getPageParams() --> { name:"test", id:"100" }  * $.getPageParams("name") --> "test"  * $.getPageParams("id") --> "100"  * ------------------------------  */ $.getPageParams = function(name){     var params = {};     var string = window.location.search.substr(1);     if(string) {         var array = string.split('&');         $.each(array, function(idx, text){             var words= text.split('=');             params[words[0]] = decodeURIComponent(words[1]);         });     }     return name == null ? params : params[name]; };

　　

 

// 采用正则表达式获取地址栏参数
function GetQueryString(name)
{
     var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
     var r = window.location.search.substr(1).match(reg);
     if(r!=null)return  decodeURIComponent(r[2]); return null;
}

 

 

window.location 

 

 

 

 

 console.log(window.location.href);
 console.log(window.location.protocol +"//"+ window.location.hostname +":"+ window.location.port + window.location.pathname);