获取url中字符数据

<script type="text/javascript">
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;
}
$(function() {
    alert("asfas");
    var parms_2 = GetRequest('http://htmlJsTest/getrequest.html?uid=admin&rid=1&fid=2&name=小明');
    alert(parms_2); // {"uid":"admin","rid":"1","fid":"2","name":"小明"}
    alert(parms_2['name']); // '小明'
    alert(parms_2['uid']);
    //alert(GetRequest(urlStr));
});

</script>