JQ得到当前登录城市和天气

$(function () {
findWeather();
});
function findWeather() {
var cityUrl = 'http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js';
$.getScript(cityUrl, function (script, textStatus, jqXHR) {
var citytq = remote_ip_info.city;// 获取城市
var url = "http://php.weather.sina.com.cn/iframe/index/w_cl.php?code=js&city=" + citytq + "&day=0&dfc=3";
$.ajax({
url: url,
dataType: "script",
scriptCharset: "gbk",
success: function (data) {
var _w = window.SWther.w[citytq][0];
var _f = _w.f1 + "_0.png";
if (new Date().getHours() > 17) {
_f = _w.f2 + "_1.png";
}
var img = "<img width='16px' height='16px' src='http://i2.sinaimg.cn/dy/main/weather/weatherplugin/wthIco/20_20/" + _f
+ "' />";
var tq = "当前登录城市：" + citytq + " " + " 今天天气：" + img + " " + _w.s1 + " " + _w.t1 + "℃～" + _w.t2 + "℃ " + _w.d1 + _w.p1 + "级";

$('#weather').html(tq);
}
});
});
}