100分紧急求助

各位高人:我想用httpClient模拟登陆后,获取登陆后网页的信息,但是却无论如何也得不到登陆后网页的信息,整了好久也不知道解决,请各位高手知道指教一下.不胜感激.我首先用ieHttpHeaders获取到netyi.net(得益网)的cookie信息如下:
POST /jsLoginStatus.aspx?returnUrl=%2fjsLoginStatus.aspx%3fguid%3db71cdc08-8622-42de-a4ba-fbd395c032ca HTTP/1.1
Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
Referer: http://netyi.net/jsLoginStatus.aspx
Accept-Language: zh-cn
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Maxthon; .NET CLR 2.0.50727)
Host: netyi.net
Content-Length: 53
Connection: Keep-Alive
Cache-Control: no-cache
Cookie: __utma=7615405.1271095282.1176109184.1186976162.1189938905.6; __utmz=7615405.1186977812.5.7.utmccn=(organic)|utmcsr=google|utmctr=spring+in+action+%E4%B8%8B%E8%BD%BD|utmcmd=organic; cnzz02=6; rtime=1; ltime=1190001640890; cnzz_eid=1250906-http%3A//zyjarge.spaces.live.com/blog/cns%21939889bfd1aba233%21497.entry; dnttemplateid=0; ASP.NET_SessionId=0hiqkbiudskwzy45sgrenbmeUserName=zlh218&Password=000000&Submit.x=0&Submit.y=0HTTP/1.1 302 Found
Date: Mon, 17 Sep 2007 04:00:06 GMT
Server: Microsoft-IIS/6.0
X-Powered-By: ASP.NET
X-AspNet-Version: 2.0.50727
Location: /jsLoginStatus.aspx?guid=e1579e4a-0a08-48c8-a52f-e8110820dd80
Set-Cookie: Passport=zlh218; domain=.netyi.net; path=/
Set-Cookie: validateCode=88E67E5A0FA31EA4D710A2E00A28C414; domain=.netyi.net; path=/
Set-Cookie: dnt=userid=802856&password=K8UyuJGWSS%2bbJ%2fduDu3plC07d%2fl6D%2b%2bqxIsCtqLlc0oTTWu77t9g3w%3d%3d&tpp=0&ppp=0&pmsound=0&invisible=0&referer=index.aspx&sigstatus=0&expires=-1; path=/
Set-Cookie: dnttemplateid=0; expires=Tue, 11-Aug-2009 14:39:06 GMT; path=/
Set-Cookie: dnt=userid=802856&password=K8UyuJGWSS%2bbJ%2fduDu3plC07d%2fl6D%2b%2bqxIsCtqLlc0oTTWu77t9g3w%3d%3d&tpp=0&ppp=0&pmsound=0&invisible=0&referer=index.aspx&sigstatus=0&expires=-1; path=/
Set-Cookie: lastolupdate=1043693968; path=/
Set-Cookie: .ASPXAUTH=6C2E31EECFB08DFF79EA98EAAB54AB30D2CBA7A5CBEB5609312C30989F56CF07DDB84D281E03DD6AF89B4070918C20D25E0195D8F4AB9193E08AA9B0FCA53B16405AFCFD166DBEC7B30340F46E325669; domain=.netyi.net; path=/; HttpOnly
Cache-Control: private
Content-Type: text/html; charset=gb2312
Content-Length: 178我的代码如下:
HttpClient client = new HttpClient();
  client.getHostConfiguration().setHost( "netyi.net" , 80, "http" );
  client.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
  PostMethod post = new PostMethod("/jsLoginStatus.aspx?returnUrl=%2fjsLoginStatus.aspx%3fguid%3db71cdc08-8622-42de-a4ba-fbd395c032ca" );
  //NameValuePair chk = new NameValuePair( "chk" , "yes" );
 //NameValuePair re = new NameValuePair( "re_log" , "yes" );
  NameValuePair name = new NameValuePair( "UserName" , "zlh218" );
  NameValuePair pass = new NameValuePair( "Password" , "000000" );
  NameValuePair x = new NameValuePair( "Submit.x" , "0" );
  NameValuePair y = new NameValuePair( "Submit.y" , "0" );
  NameValuePair submit=new NameValuePair( "Submit" , "登 录" );
  post.setRequestHeader("Referer", "http://netyi.net/jsLoginStatus.aspx");
  post.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
  post.setRequestHeader("Content-Length", "53");
  post.setRequestHeader("Cookie", "Passport=zlh218; domain=.netyi.net; validateCode=88E67E5A0FA31EA4D710A2E00A28C414; domain=.netyi.net; dnt=userid=802856&password=K8UyuJGWSS%2bbJ%2fduDu3plC07d%2fl6D%2b%2bqxIsCtqLlc0oTTWu77t9g3w%3d%3d&tpp=0&ppp=0&pmsound=0&invisible=0&referer=index.aspx&sigstatus=0&expires=-1; dnttemplateid=0; expires=Tue, 11-Aug-2009 14:39:06 GMT; " +
   "dnt=userid=802856&password=K8UyuJGWSS%2bbJ%2fduDu3plC07d%2fl6D%2b%2bqxIsCtqLlc0oTTWu77t9g3w%3d%3d&tpp=0&ppp=0&pmsound=0&invisible=0&referer=index.aspx&sigstatus=0&expires=-1; lastolupdate=1043693968; .ASPXAUTH=6C2E31EECFB08DFF79EA98EAAB54AB30D2CBA7A5CBEB5609312C30989F56CF07DDB84D281E03DD6AF89B4070918C20D25E0195D8F4AB9193E08AA9B0FCA53B16405AFCFD166DBEC7B30340F46E325669; domain=.netyi.net; path=/");
  post.setRequestBody( new NameValuePair[]{name,pass,x,y,submit});
  try{
  int status = client.executeMethod(post);
  System.out.println(status);
  if (status == HttpStatus.SC_MOVED_TEMPORARILY || status == HttpStatus.SC_MOVED_PERMANENTLY) {
            Header locationHeader = post.getResponseHeader("location");
            if (locationHeader != null) {
                String redirectUri = locationHeader.getValue();
                if (redirectUri == null || "".equals(redirectUri)) {
                    redirectUri = "/";
                }
                //client.getState().setCredentials("netyi.net","realm",new UsernamePasswordCredentials("zlh218", "000000"));
                GetMethod get = new GetMethod(redirectUri);
                get.setDoAuthentication(true);
                client.executeMethod(get);
                System.err.println("get redirect:");
                Header[] headers = get.getResponseHeaders();
                for (int i = 0; i < headers.length; ++i) {
                    System.err.println(headers[i].toString());
                }
                BufferedReader bf = new BufferedReader(new InputStreamReader(get.getResponseBodyAsStream()));   
                String s = null;   
                while ((s=bf.readLine()) != null)
                 System.out.println(s);
                get.releaseConnection();
            }
        }
  }catch(Exception e){
         e.printStackTrace();
        }
运行后却始终得到是未登陆前的网页信息,不知道是怎么回事,请高手指点!100分