一个朋友写的新浪灌水机一部

  // 灌水开始了

using System;
using System.IO;
using System.Net; using System.Collections.Specialized;
using System.Text;

namespace sina1
... {
/**////
/// Summary description for Class1.
///
class Class1
...{
  /**////
  /// The main entry point for the application.
  ///
  [STAThread]
  static void Main(string[] args)
  ...{
   //   test3();
   //   return;
   //
   //   test1();
   //   return;

   WebClient clubIndexRequest = new WebClient();
   clubIndexRequest.Headers.Add("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT

5.1; .NET CLR 1.1.4322)");
   clubIndexRequest.Headers.Add("Accept", "*/*)");
   Stream stream = clubIndexRequest.OpenRead("http://house.sina.com.cn/allclub/index.html");
   StreamReader reader = new StreamReader(stream);
   String clubIndexResponse = reader.ReadToEnd();
   String url = "href=http://comment.sina.com.cn/cgi-bin/comment/comment.cgi";
   int pos1 = 0;
   int pos2 = 0;
   String userName = System.Web.HttpUtility.UrlEncode("抗议松下热水器",

Encoding.GetEncoding("GB2312"));
   string rawContent = "恐怖的松_下热水器/r/n我本来不想买小_日本的东西的，但是老婆做主，买了

一个松_下的燃气热水器，花了1千8百多大洋/r/n没想到安装的时候还收了我522元，522元啊！/r/n今天

打投诉电话，居然说还有收8百多的！/r/n各位业主，买松_下热水器的时候小心啊，说不定象我这样当了

冤大头。/r/n我可以提供证据。";
   String content = System.Web.HttpUtility.UrlEncode(rawContent, Encoding.GetEncoding

("GB2312"));
   while((pos1 = clubIndexResponse.IndexOf(url, pos2)) >= 0)
   ...{
    // 分析业主论坛
    pos1 += url.Length + 1;
    pos2 = clubIndexResponse.IndexOf(" ", pos1);
    String clubStr = clubIndexResponse.Substring(pos1, pos2 - pos1);
    // 预提交（新浪的防灌水措施）
    // 创建post数据
    String postStr = clubStr;
    postStr = postStr + "&top_title=";
    postStr = postStr + "&top_url=";
    postStr = postStr + "&user=" + userName;
    postStr = postStr + "&password=" + password;
    postStr = postStr + "&content=" + content;
    postStr = postStr + "&temp_content=" + content;
    byte [] postData = Encoding.ASCII.GetBytes(postStr);
    WebClient command = new WebClient();
    command.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
    command.Headers.Add("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;

.NET CLR 1.1.4322)");
    command.Headers.Add("Accept", "*/*)");
    try
    ...{
     byte [] returnData = command.UploadData("http://comment.sina.com.cn/cgi-

bin/comment/comment_do.cgi", "POST", postData);
     String cookie = command.ResponseHeaders["Set-Cookie"];
     String returnStr = Encoding.GetEncoding("GB2312").GetString(returnData);
     // 再分析，再提交（新浪的防灌水措施）
     String timeTagIndex = "", pos3);
      String timeTag = returnStr.Substring(pos3, pos4 - pos3);

      String datetimeIndex = "", pos3);
       String dateTime = returnStr.Substring(pos3, pos4 - pos3);
       dateTime = System.Web.HttpUtility.UrlEncode(dateTime, Encoding.GetEncoding

("GB2312"));

       String doCommentPostStr = "hidecnt=1";
       doCommentPostStr = doCommentPostStr + "&" + clubStr;
       doCommentPostStr = doCommentPostStr + "&page=0";
       doCommentPostStr = doCommentPostStr + "&top_title=";
       doCommentPostStr = doCommentPostStr + "&top_url=";
       doCommentPostStr = doCommentPostStr + "&timetag=" + timeTag;
       doCommentPostStr = doCommentPostStr + "&datetime0=" + dateTime;
       doCommentPostStr = doCommentPostStr + "&uid0=" + userName;
       doCommentPostStr = doCommentPostStr + "&content0=" + content;
       postData = Encoding.ASCII.GetBytes(doCommentPostStr);
       command.Headers.Add("Content-Type", "application/x-www-form-urlencoded");
       command.Headers.Add("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;

.NET CLR 1.1.4322)");
       command.Headers.Add("Accept", "*/*)");
       command.Headers.Add("Referer", "http://comment.sina.com.cn/cgi-

bin/comment/comment_do.cgi");
       command.Headers.Add("Cookie", cookie);
       returnData = command.UploadData("http://comment.sina.com.cn/cgi-

bin/comment/comment.cgi", "POST", postData);
       returnStr = Encoding.GetEncoding("GB2312").GetString(returnData);
       System.Console.WriteLine("/r/n***************发贴成功****************");
       System.Console.WriteLine(clubStr);
       System.Console.WriteLine("***************发贴成功****************");
      } // if(pos3 >= 0)
     } // if(pos3 >= 0)
     else
     ...{
      System.Console.WriteLine("/r/n***************接收到错误的信息****************");
      System.Console.WriteLine(returnStr);
      System.Console.WriteLine("***************接收到错误的信息****************");
     }
    }
    catch(Exception e)
    ...{
     System.Console.WriteLine("/r/n***************发送异常****************");
     System.Console.WriteLine(e.Message);
     System.Console.WriteLine("***************发贴成功****************");
    }
    System.Threading.Thread.Sleep(10 * 1000);
   }
  }
}
}