html_获取参数

function GetRequest() {
    var urlStr=location.href;
    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() {
    var parms_2 = GetRequest();
    Login_name=parms_2['Login_name'];
});