//GET
public ActionResult WeatherForJson()
{
string response = HttpWebResponseUtility.Get("https://www.tianqiapi.com/api?version=v1&cityid=101010100");
//此时response的字符串有很多\，这是C#自动转义的，不用处理
//string s = response.Replace(@"\","");
JObject jb = (JObject)JsonConvert.DeserializeObject(response);
string city = jb["cityid"].ToString();//这里是尝试使用json的序列化效果
//return Json(jb, JsonRequestBehavior.AllowGet);
//return Content(response);//页面返回json字符串
return(View());
}
