获得查询字符串的对象

function getQueryStringArgs() {
    var qs = (location.search.length > 0 ? location.search.substring(1) : ''),
        args = {},
        items = qs.length ? qs.split('&') : [],
        item = null,
        name = null,
        value = null;
    
    for (var i = 0, len = items.length; i < len; i++) {
        item = items[i].split('=');
        name = decodeURIComponent(item[0]);
        value = decodeURIComponent(item[1]);
        if (name.length) {
            args[name] = value;
        }
    }

    return args;
}