夏至如约而至_风闻
小白学大数据-2021-06-21 16:37
今天是6月21号 ,夏至,夏至是夏天的第四个节气也是二十四节气中的第十个节气。太阳行至最北处,昼变最长,夜变最短,夏至之后,白昼渐短,来自太阳的热量虽然逐步减少,但依然大于热量散失,所以天气继续趋热,这就意味着让人恐怖的“三伏天”就要慢慢降临了。

前几天还是二十多度的舒适温度,很多地方一下子就升到30+了,我已经开始感受到夏日的炎热了。以前对获取天气都是数据上的搜集,然后做成数据表,但是对温度的感知并不是很直观。所以今天我们就用python中的方法做一个天气数据分析的图形,让我们更直接的看出天气的变化。
// 要访问的目标页面 string targetUrl = “http://www.weather.com.cn/";
// 代理服务器(产品官网 www.16yun.cn) string proxyHost = “http://t.16yun.cn”; string proxyPort = “31111”;
// 代理验证信息 string proxyUser = “16QCNULE”; string proxyPass = “983383”;
// 设置代理服务器 WebProxy proxy = new WebProxy(string.Format("{0}:{1}”, proxyHost, proxyPort), true);
ServicePointManager.Expect100Continue = false;
var request = WebRequest.Create(targetUrl) as HttpWebRequest;
request.AllowAutoRedirect = true; request.KeepAlive = true; request.Method = “GET”; request.Proxy = proxy;
//request.Proxy.Credentials = CredentialCache.DefaultCredentials;
request.Proxy.Credentials = new System.Net.NetworkCredential(proxyUser, proxyPass);
// 设置Proxy Tunnel // Random ran=new Random(); // int tunnel =ran.Next(1,10000); // request.Headers.Add(“Proxy-Tunnel”, String.valueOf(tunnel));
//request.Timeout = 20000; //request.ServicePoint.ConnectionLimit = 512; //request.UserAgent = “Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.82 Safari/537.36”; //request.Headers.Add(“Cache-Control”, “max-age=0”); //request.Headers.Add(“DNT”, “1”);
//String encoded = System.Convert.ToBase64String(System.Text.Encoding.GetEncoding(“ISO-8859-1”).GetBytes(proxyUser + “:” + proxyPass)); //request.Headers.Add(“Proxy-Authorization”, “Basic " + encoded);
using (var response = request.GetResponse() as HttpWebResponse) using (var sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8)) { string htmlStr = sr.ReadToEnd(); } 如果出现Section=ResponseStatusLine 异常到此这篇关于python爬取天气数据的实例详解的文章就介绍到这了,更多关于天气数据的获取大家有好的方法也可以留言交流呀!