URL参数转换对象

    var parseQueryString = function (url) {
        var reg_url = /^[^?]+?([wW]+)$/,
                reg_para = /([^&=]+)=([wW]*?)(&|$)/g, //g is very important
                arr_url = reg_url.exec(url),
                ret = {};
        if (arr_url && arr_url[1]) {
            var str_para = arr_url[1], result;
            while ((result = reg_para.exec(str_para)) != null) {
                ret[result[1]] = result[2];
            }
        }
        return ret;
    }
　　//使用方法：
    var url = "key0=0&key1=1&key2=&key3=http://www.g.cn?a=1&&b=2";
    var obj = parseQueryString(url);
    console.dir(obj);

/**
 * description:获取URL的参数的value
 *@name：参数名称
 */
function GetUrlParam(name) {
    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); //构造一个含有目标参数的正则表达式对象
    var r = window.location.search.substr(1).match(reg); //匹配目标参数
    if (r != null) return unescape(r[2]);
    return null; //返回参数值
}

//传参数之前对中文的url参数进行 
window.location = encodeURI(encodeURI("xxx.html?title="+"中文"));
//接收参数的地方 
decodeURI(GetUrlParam('title'));

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