//请求网页获取天气信息
public WebRequestWeatherInfo GetWeatherInfo(string city)
{
//通过聚合数据获取信息
string http = "http://v.juhe.cn/weather/index?";
string tmp = "cityname=" + city + "&format=2";
http += (tmp + "&key=4f2e721fdb5f8b778095e80ed0ffe104");
Encoding encoding = Encoding.UTF8;
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create(http);
httpWebRequest.ContentType = "application/json";
httpWebRequest.Method = "GET";
httpWebRequest.Timeout = 20000;
HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
StreamReader streamReader = new StreamReader(httpWebResponse.GetResponseStream(), Encoding.GetEncoding("utf-8"));
string responseContent = streamReader.ReadToEnd();
httpWebResponse.Close();
streamReader.Close();
//json反序列化
WebRequestWeatherInfo weatherinfo = JsonConvert.DeserializeObject <WebRequestWeatherInfo>(responseContent);
return(weatherinfo);
}
internal void ShowDialog(string city)
{
this.panel.Controls.Clear();
showTodayControl.Dock = DockStyle.Fill;
this.panel.Controls.Add(showTodayControl);
if (GlobalWeatherDict.Citypict.ContainsKey(city))
{
int tmp = GlobalWeatherDict.citypict[city];
this.BackgroundImage = citypic_imageList.Images[tmp];
ImageLayout layout = ImageLayout.Stretch;
this.BackgroundImageLayout = layout;
}
else
{
int tmp = GlobalWeatherDict.citypict["暂无"];
this.BackgroundImage = citypic_imageList.Images[tmp];
ImageLayout layout = ImageLayout.Stretch;
this.BackgroundImageLayout = layout;
}
//进行天气查询，并且存储在WeatherInfo类中
WeatherInfo = WeatherInfo.GetWeatherInfo(city);
//错误返回判断
if (WeatherInfo.error_code == "0")
{
//显示当天天气
showTodayControl.ShowWeatherInfo(WeatherInfo);
//显示连续七天天气
//showFivedaysControl.showfive(WeatherInfo);
this.ShowDialog();//如果不支持要查询的城市就不显示
}
else if (WeatherInfo.error_code == "203902")
{
MessageBox.Show("查询不到该城市");
}
else
{
MessageBox.Show("查询出错，请重试");
}
}
