Sharp爬虫程序配置代理ip的示例分析

这期内容当中小编将会给大家带来有关Sharp爬虫程序配置代理ip的示例分析，文章内容丰富且以专业的角度为大家分析和叙述，阅读完这篇文章希望大家可以有所收获。

  // 要访问的目标页面    string targetUrl = "http://httpbin.org/ip";    // 代理服务器    string proxyHost = "http://t.16yun.cn";    string proxyPort = "6447";    // 代理隧道验证信息    string proxyUser = "16IXNGXO";    string proxyPass = "366338";    // 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();    }

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