javascript兑现把URL参数解析为一个对象

javascript实现把URL参数解析为一个对象

var GET = {};var loc = String(document.location);var pieces = loc.substr(loc.indexOf('?') + 1).split('&');for (var i = 0; i < pieces.length; i++){    var keyVal = pieces[i].split('=');    GET[keyVal[0]] = decodeURIComponent(keyVal[1]);}

?用法：http://blackbaby.iteye.com/admin/blogs/new?a=1&b=2,?? alert(GET["a"]);