C# 利用代理爬虫网页的实现方法

// yanggang@mimvp.com// http://proxy.mimvp.com// 2015-11-09 using System;using System.IO;using System.Net;using System.Text; namespace ConsoleApplication1{  class Program  {    public static void Main(string[] args)    {      System.Net.WebProxy proxy = new WebProxy("218.21.230.156", 443);    // "107.150.96.188", 8080      HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://proxy.mimvp.com");      request.Proxy = proxy;      using (WebResponse response = request.GetResponse())      {        using (TextReader reader = new StreamReader(response.GetResponseStream()))        {          string line;          while ((line = reader.ReadLine()) != null)            Console.WriteLine(line);        }      }    }     public static void Main2()    {      // your code goes here      System.Net.WebProxy proxy = new WebProxy("107.150.96.188", 8080);      System.Net.HttpWebRequest req = (HttpWebRequest)WebRequest.Create("http://www.baidu.com");      req.Proxy = proxy;      req.Timeout = 30 * 1000;      System.Net.HttpWebResponse resp = (HttpWebResponse)req.GetResponse();      Encoding bin = Encoding.GetEncoding("UTF-8");      StreamReader reader = new StreamReader(resp.GetResponseStream(), bin);      string str = reader.ReadToEnd();      Console.WriteLine(str);           reader.Close();      reader.Dispose();    }  }}