js 把url参数转对象

//注意url中要含?
 function getParameterByName(name, url) {
            if (!url) {
                url = window.location.href;
            }
            name = name.replace(/[\[\]]/g, "\\$&");
            var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
                results = regex.exec(url);
            if (!results) return null;
            if (!results[2]) return '';
            return decodeURIComponent(results[2].replace(/\+/g, " "));
        }
调用：getParameterByName("userID","?userID=JeoOrCXxyiOFxbYaGL40kw==&userPwd=sdFo2ziUw8HyLRKd4i6GAQ==&userName=高聪");
得到：userID值

 var parseQuery = function (query) {
            var reg = /([^=&\s]+)[=\s]*([^&\s]*)/g;
            var obj = {};
            while (reg.exec(query)) {
                obj[RegExp.$1] = RegExp.$2;
            }
            return obj;
        }
调用：

parseQuery("userID=JeoOrCXxyiOFxbYaGL40kw==&userPwd=sdFo2ziUw8HyLRKd4i6GAQ==&userName=高聪")
得到