C#获取中国天气网免费天气预报信息

中国天气网接口地址:”http://wthrcdn.etouch.cn/WeatherApi?citykey=” + weatherCityCode(为城市code); 

下面是转化过程中我们需要用到的方法(序列化的实体类在文章结尾附)

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string weatherInfoUrl = "http://wthrcdn.etouch.cn/WeatherApi?citykey=" + weatherCityCode;
string weatherstr = getHtml2(weatherInfoUrl);
resp tempInfo = XmlDeSeralizer<resp>(weatherstr);

  

转化过程中需要用到的方法

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private static string GetHtml(string url)
{
    StringBuilder s = new StringBuilder(102400);
    HttpWebRequest wr = (HttpWebRequest)WebRequest.Create(url);
    wr.Headers[HttpRequestHeader.AcceptEncoding] = "gzip, deflate";
    HttpWebResponse response = (HttpWebResponse)wr.GetResponse();
    Head(response);
    GZipStream g = new GZipStream(response.GetResponseStream(), CompressionMode.Decompress);
    byte[] d = new byte[20480];
    int l = g.Read(d, 0, 20480);
    while (l > 0)
    {
        s.Append(Encoding.UTF8.GetString(d, 0, l));
        l = g.Read(d, 0, 20480);
    }
    return s.ToString();
}
 
private static void Head(HttpWebResponse r)
{
    string[] keys = r.Headers.AllKeys;
    for (int i = 0; i < keys.Length; ++i)
    {
        Console.WriteLine(keys[i] + "   " + r.Headers[keys[i]]);
    }
}
 
public static T XmlDeSeralizer<T>(string xmlStr) where T : class,new()
{
    XmlSerializer xs = new XmlSerializer(typeof(T));
    using (StringReader reader = new StringReader(xmlStr))
    {
        return xs.Deserialize(reader) as T;
    }
}

天气实体类

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public class resp
{
    public string city { get; set; }
    public string updatetime { get; set; }
    public string wendu { get; set; }
    public string fengli { get; set; }
    public string shidu { get; set; }
    public string fengxiang { get; set; }
    public environment environment { get; set; }
    public alarm alarm { get; set; }
    public List<weather> forecast { set; get; }
}
public class environment
{
    public string aqi { get; set; }
    public string pm25 { get; set; }
    public string suggest { get; set; }
    public string quality { get; set; }
    public string MajorPollutants { get; set; }
    public string time { get; set; }
}
public class alarm
{
    public string cityName { get; set; }
    public string alarmType { get; set; }
    public string alarmDegree { get; set; }
    public string alarmText { get; set; }
    public string alarm_details { get; set; }
    public string standard { get; set; }
    public string suggest { get; set; }
}
public class weather
{
    public string date { get; set; }
    public string high { get; set; }
    public string low { get; set; }
    public climate day { get; set; }
    public climate night { get; set; }
}
public class climate
{
    public string type { get; set; }
    public string fengxiang { get; set; }
    public string fengli { get; set; }
}

  

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