private WeatherHelper()
{
using (var sr = new StringReader(Properties.Resources.CityKeys))
{
string line;
while ((line = sr.ReadLine()) != null)
{
if (!string.IsNullOrEmpty(line))
{
var citykey = new CityKeyInfo(line);
if (!string.IsNullOrEmpty(citykey.CityKey) && !string.IsNullOrEmpty(citykey.City))
{
CityKeyInfos.Add(citykey);
}
}
}
}
}
/// <summary>
/// 更新天气信息
/// </summary>
/// <param name="city">城市代码</param>
/// <returns></returns>
public WeatherInfo UpdateWeather(CityKeyInfo city)
{
try
{
if (string.IsNullOrEmpty(city?.CityKey))
{
return(null);
}
HttpWebRequest httpWeather = WebRequest.CreateHttp($"http://zhwnlapi.etouch.cn/Ecalender/api/v2/weather?app_key=99817882&citykey={city.CityKey}");
httpWeather.Timeout = 5000;
httpWeather.Method = WebRequestMethods.Http.Get;
using (var responseStream = httpWeather.GetResponse().GetResponseStream())
{
if (responseStream == null)
{
return(null);
}
var weatherData = new StreamReader(new GZipStream(responseStream, CompressionMode.Decompress));
var weatherString = weatherData.ReadToEnd();
var result = JsonConvert.DeserializeObject <WeatherInfo>(weatherString);
WeatherInfo = result;
WeatherInfoUpdated?.Invoke();
return(WeatherInfo);
}
}
catch
{
return(null);
}
}
