用httpwebrequest/httpwebresponse向伺服器POST發送及接收資料

1. using System;
2. using System.Collections.Generic;
3. using System.Linq;
4. using System.Text;
5. using System.Net;
6. using System.IO;
8. namespace ConsoleApplication1
9. {
10.     class Program
11.     {
12.         static void Main(string[] args)
13.         {
14.             try
15.             {
16.                 CookieContainer cookies = new CookieContainer();
17.                 string url = "http://www.alimama.com/membersvc/member/login.htm";
18.                 HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
19.                 WebProxy proxy = new WebProxy("10.167.128.116", 808);
20.                 request.Proxy = proxy;
21.                 request.AllowAutoRedirect = true;
22.                 request.KeepAlive = true;
23.                 request.ContentType = "application/x-www-form-urlencoded";
24.                 request.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.0.3) Gecko/2008092417 Firefox/3.0.3 (.NET CLR 3.5.30729)";
25.                 request.CookieContainer = cookies;
26.                 request.Method = "POST";
29.                 string postData = "action=MembersAction&event_submit_do_login=true&forward=&query_string=&_fmm.l._0.l=dsf%40163.com&originalLogpasswd=fsf325252&_fmm.l._0.lo=25baad9d7da3fbb9c7c95df09e62fbbf&dologin=";
31.                 byte[] post = System.Text.Encoding.ASCII.GetBytes(postData);
32.                 request.ContentLength = post.Length;
34.                 //下面是發送資料的位元組流
35.                 Stream MyStream = request.GetRequestStream();
36.                 MyStream.Write(post, 0, post.Length);
37.                 MyStream.Close();
39.                 HttpWebResponse response = (HttpWebResponse)request.GetResponse();
41.                 StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);
43.                 string result = reader.ReadToEnd();
45.                 reader.Close();
47.                 Console.Write(cookies.Count);
49.                 StreamWriter writer = new StreamWriter("c://1.txt");
50.                 writer.Write(result);
51.                 writer.Close();
53.                 Console.Write("ok");
55.             }
56.             catch (Exception ex)
57.             {
58.                 Console.WriteLine(ex.ToString());
59.             }
60.         }
61.     }
62. }