获取指定城市代码的城市天气

最新推荐文章于 2024-08-13 16:43:07 发布

转载最新推荐文章于 2024-08-13 16:43:07 发布 · 167 阅读

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原文链接：http://www.cnblogs.com/hqbird/archive/2008/10/23/1318258.html

本文介绍了一段使用C#编写的代码，该代码能够通过指定城市代码从腾讯新闻天气服务中抓取当前天气详情，包括城市名称、天气状况、温度、风力、紫外线强度及空气质量等。

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public static Weather GetCurrentWeather(string CityCode)
    {
        try
        {
            Uri myUri = new Uri("http://weather.news.qq.com/inc/ss" + CityCode + ".htm");

HttpWebRequest myWebRequest = (HttpWebRequest)WebRequest.Create(myUri);

myWebRequest.Method = "GET";

HttpWebResponse myWebResponse = (HttpWebResponse)myWebRequest.GetResponse();

StreamReader reader = new StreamReader(myWebResponse.GetResponseStream(), System.Text.Encoding.GetEncoding("GB2312"));

            byte[] buffer = System.Text.Encoding.GetEncoding("GB2312").GetBytes(reader.ReadToEnd());
            String HTML = System.Text.Encoding.GetEncoding("GB2312").GetString(buffer).Trim();
            String temp = "";
            int start, stop;

start = HTML.IndexOf("</style>", 0, HTML.Length);

            stop = HTML.IndexOf("<script>", 0, HTML.Length);
            temp = HTML.Substring(start, stop - start);
            Regex regex = new Regex("<[^>]*>");
            string[] ss = regex.Split(temp);
            string t = "";
            foreach (string p in ss)
                if (p.Trim().Length > 0)
                    t += p + "/";
            string[] sss = t.Split('/');
            Weather weather = new Weather();
            if (sss.Length > 0) weather.City = sss[0];
            if (sss.Length > 1) weather.TodayWeather = sss[1];
            if (sss.Length > 2) weather.WenDu = sss[2];
            if (sss.Length > 3) weather.FengLi = sss[3];
            if (sss.Length > 4) weather.ZiWaiXian = sss[4];
            if (sss.Length > 5) weather.KongQi = sss[5];
            reader.Close();
            myWebResponse.Close();
            return weather;
        }
        catch
        {
            Weather w = new Weather();
            w.City = "-1";
            return w;
        }
}

转载于:https://www.cnblogs.com/hqbird/archive/2008/10/23/1318258.html