夏至如約而至_風聞
小白学大数据-2021-06-21 16:37
今天是6月21號 ,夏至,夏至是夏天的第四個節氣也是二十四節氣中的第十個節氣。太陽行至最北處,晝變最長,夜變最短,夏至之後,白晝漸短,來自太陽的熱量雖然逐步減少,但依然大於熱量散失,所以天氣繼續趨熱,這就意味着讓人恐怖的“三伏天”就要慢慢降臨了。

前幾天還是二十多度的舒適温度,很多地方一下子就升到30+了,我已經開始感受到夏日的炎熱了。以前對獲取天氣都是數據上的蒐集,然後做成數據表,但是對温度的感知並不是很直觀。所以今天我們就用python中的方法做一個天氣數據分析的圖形,讓我們更直接的看出天氣的變化。
// 要訪問的目標頁面 string targetUrl = “http://www.weather.com.cn/";
// 代理服務器(產品官網 www.16yun.cn) string proxyHost = “http://t.16yun.cn”; string proxyPort = “31111”;
// 代理驗證信息 string proxyUser = “16QCNULE”; string proxyPass = “983383”;
// 設置代理服務器 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);
// 設置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(); } 如果出現Section=ResponseStatusLine 異常到此這篇關於python爬取天氣數據的實例詳解的文章就介紹到這了,更多關於天氣數據的獲取大家有好的方法也可以留言交流呀!