实时的天气预报(转)

我写的一个webservice，就是调 http://appnews.qq.com/cgi-bin/news_qq_search?city=cityname

[OK]GetWeatherDataSet天气预报 #region[OK]GetWeatherDataSet天气预报[WebMethod(Description="天气预报")]public DataSet GetWeatherDataSet(string cityName){string url=@"http://appnews.qq.com/cgi-bin/news_qq_search";string weatherData="";try{weatherData=GetPage(url,cityName).Replace(" ","").Trim();}catch(Exception){throw new Exception("对不起，没有这个城市的天气信息！");}//System.Diagnostics.Trace.WriteLine(tommorow);//System.Diagnostics.Trace.WriteLine(weatherData);WeatherDataSet weatherDs=new WeatherDataSet();weatherDs.WeatherDS.AddWeatherDSRow(GetWeatherRow(ref weatherDs,weatherData,cityName));return weatherDs;}private WeatherDataSet.WeatherDSRow GetWeatherRow(ref WeatherDataSet weatherDs,string weatherData,string cityName){WeatherDataSet.WeatherDSRow weatherRow=weatherDs.WeatherDS.NewWeatherDSRow();weatherRow.CityName=weatherData.Substring(weatherData.IndexOf("●")+1,cityName.Length);weatherRow.Date1=DateTime.Now.ToLongDateString();weatherRow.Weather1=weatherData.Substring(weatherData.IndexOf("天气")+"天气".Length,weatherData.IndexOf("气温")-(weatherData.IndexOf("天气")+"天气".Length));weatherRow.Temp1=weatherData.Substring(weatherData.IndexOf("气温")+"气温".Length,weatherData.IndexOf("风力")-(weatherData.IndexOf("气温")+"气温".Length)).Replace("℃-","℃/");weatherRow.WindPower1=weatherData.Substring(weatherData.IndexOf("风力")+"风力".Length,weatherData.IndexOf(tommorow)-(weatherData.IndexOf("风力")+"风力".Length));weatherRow.Date2=DateTime.Today.AddDays(1).ToLongDateString();weatherRow.Weather2=weatherData.Substring(weatherData.LastIndexOf("天气")+"天气".Length,weatherData.LastIndexOf("气温")-(weatherData.LastIndexOf("天气")+"天气".Length));weatherRow.Temp2=weatherData.Substring(weatherData.LastIndexOf("气温")+"气温".Length,weatherData.LastIndexOf("风力")-(weatherData.LastIndexOf("气温")+"气温".Length)).Replace("℃-","℃/");weatherRow.WindPower2=weatherData.Substring(weatherData.LastIndexOf("风力")+"风力".Length);return weatherRow;}#endregion GetPageString获取QQ的天气服务 #region GetPageString获取QQ的天气服务//privatestringxx="";[WebMethod(Description="天气预报")]public string GetPageString(string cityName){string url=@"http://appnews.qq.com/cgi-bin/news_qq_search";return GetPage(url,cityName);}private static string GetPage(string url,string cityName){HttpWebResponse res=null;string strResult="";try{string postData="city="+HttpUtility.UrlEncode(cityName,System.Text.Encoding.GetEncoding("GB2312"));HttpWebRequest req=(HttpWebRequest)WebRequest.Create(url);req.Method="POST";req.KeepAlive=true;req.ContentType="application/x-www-form-urlencoded";StringBuilder UrlEncoded=new StringBuilder();byte[]SomeBytes=Encoding.ASCII.GetBytes(postData);req.ContentLength=SomeBytes.Length;Stream newStream=req.GetRequestStream();newStream.Write(SomeBytes,0,SomeBytes.Length);newStream.Close();//获得流内容res=(HttpWebResponse)req.GetResponse();System.IO.Stream s=res.GetResponseStream();StreamReader reader=new StreamReader(s,System.Text.Encoding.Default);strResult=reader.ReadToEnd();}catch(Exception e){strResult=e.ToString();}finally{if(res!=null){res.Close();}}strResult=strResult.Remove(0,strResult.IndexOf("●"));if(cityName!="北京"){strResult=strResult.Remove(strResult.IndexOf("北京"),strResult.Length-strResult.IndexOf("北京"));}else{strResult=strResult.Remove(strResult.LastIndexOf("北京"),strResult.Length-strResult.LastIndexOf("北京"));}strResult=strResult.Trim();while(strResult.IndexOf(@"<")!=-1)//＜＞{strResult=strResult.Remove(strResult.IndexOf(@"<"),strResult.IndexOf(@">")-strResult.IndexOf(@"<")+1);}while(strResult.IndexOf(@" ")!=-1){strResult=strResult.Replace(" ","");}string x=Encoding.UTF8.GetString(new Byte[]{10});string y=Encoding.UTF8.GetString(new Byte[]{9});while(strResult.IndexOf(x)!=-1){strResult=strResult.Replace(x,"");}while(strResult.IndexOf(y)!=-1){strResult=strResult.Replace(y,"");}return strResult;}#endregion

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转载于:https://www.cnblogs.com/coolylh/archive/2005/12/05/291024.html

相关资源：android studio 天气预报