只能重新开贴了，望各位大牛能帮帮小弟～
这个技术难题这两天一直攻不下来，代码过程即先登录人人主页 然后打印出个人主页源代码，然后到自己指定的一个好友页面，利用htmlparser包对该页面html文本爬取下来；但是实际效果是能打印出个人主页源代码，但一执行到进入指定好友页面，并爬取该页面，就爬不下来，爬下来的只是人人登录时（未登录）的人人首页。在网上查到要先保存cookie，不知道是不是这里出了问题。小弟已经焦头烂额～～

public class Visit {
private static String userName = "123456678@123.com";
private static String password = "123456";  
  private static String redirectURL = "http://www.renren.com/home";//没有用 使用getFirstHeader()从服务器取的
  // Don't change the following URL  
  private static String renRenLoginURL = "http://www.renren.com/PLogin.do";  
   
  // The HttpClient is used in one session  
  private HttpResponse response;//用途
  public DefaultHttpClient httpclient = new DefaultHttpClient();//一直使用的客户端
// public HttpClient httpclient = new HttpClient();  
  private boolean login() {  
  HttpPost httpost = new HttpPost(renRenLoginURL);  
  // All the parameters post to the web site  
  List<NameValuePair> nvps = new ArrayList<NameValuePair>();  
  nvps.add(new BasicNameValuePair("origURL", redirectURL));  
  nvps.add(new BasicNameValuePair("domain", "renren.com"));  
  nvps.add(new BasicNameValuePair("isplogin", "true"));  
  nvps.add(new BasicNameValuePair("formName", ""));  
  nvps.add(new BasicNameValuePair("method", ""));  
  nvps.add(new BasicNameValuePair("submit", "登录"));  
   
  nvps.add(new BasicNameValuePair("email", userName));  
  nvps.add(new BasicNameValuePair("password", password));  
  try {  
  httpost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));  
  response = httpclient.execute(httpost);//执行登录请求 返回信息
  } catch (Exception e) {  
  e.printStackTrace();  
  return false;  
  } finally {  
  httpost.abort();//不废除会报错
  }  
  return true;  
  }
public String getRedirectLocation() {  
blablabla~~略去中间代码  
}
public String getText(String redirectLocation) {  
blablabla~~略去中间代码
}
public void printText() {  
if (login()) {  
String redirectLocation = getRedirectLocation();  
if (redirectLocation != null) {  
System.out.println(getText(redirectLocation));  
}
  
}  
}
private static String ENCODE = "gb2312";
private static void message(String szMsg) {
try{
System.out.println(new String(szMsg.getBytes(ENCODE), System.getProperty("file.encoding")));
}
catch(Exception e ){}
}
public void parse(int id){
Parser parser = new Parser("http://www.renren.com/" + id);

for (NodeIterator i = parser.elements(); i.hasMoreNodes(); ) {
Node node = i.nextNode();
message("getText:"+node.getText());
  message("getPlainText:"+node.toPlainTextString());
message("toHtml:"+node.toHtml());
message("toHtml(true):"+node.toHtml(true));
message("toHtml(false):"+node.toHtml(false));
message("toString:"+node.toString());
message("=================================================");
}  
}
catch( Exception e ) {  
System.out.println( "Exception:"+e );
}
}
public static void main(String[] args) throws InterruptedExceptio