用httpwebrequest/httpwebresponse向服务器POST发送及接收数据

1. using System;
2. using System.Collections.Generic;
3. using System.Linq;
4. using System.Text;
5. using System.Net;
6. using System.IO;
7. namespace ConsoleApplication1
8. {
9.     class Program
10.     {
11.         static void Main(string[] args)
12.         {
13.             try
14.             {
15.                 //CookieContainer cookies = new CookieContainer();
16.                 string url = "http://www.alimama.com/membersvc/member/login.htm";
17.                 HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
18.                 //WebProxy proxy = new WebProxy("10.167.128.116", 808);
19.                 //request.Proxy = proxy;
20.                 //request.AllowAutoRedirect = true;
21.                 //request.KeepAlive = true;
22.                 request.ContentType = "application/x-www-form-urlencoded";
23.                 //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)";
24.                 //request.CookieContainer = cookies;
25.                 request.Method = "POST";
26.                 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=";
27.                 byte[] post = System.Text.Encoding.ASCII.GetBytes(postData);
28.                 request.ContentLength = post.Length;
29.                 //下面是发送数据的字节流
30.                 Stream MyStream = request.GetRequestStream();
31.                 MyStream.Write(post, 0, post.Length);
32.                 MyStream.Flush();
33.                 MyStream.Close();
34.                 HttpWebResponse response = (HttpWebResponse)request.GetResponse();
35.                 StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.Default);
36.                 string result = reader.ReadToEnd();
37.                 reader.Close();
38.                 Console.Write(cookies.Count);
39.                 StreamWriter writer = new StreamWriter("c://1.txt");
40.                 writer.Write(result);
41.                 writer.Close();
42.                 Console.Write("ok");
43.             }
44.             catch (Exception ex)
45.             {
46.                 Console.WriteLine(ex.ToString());
47.             }
48.         }
49.     }
50. }