httpclient模拟windows认证

if(authPolicy.toUpperCase().equals("BASIC"))
  {
   URL uri = new URL(postUrl);
   List<String> authPrefs = new ArrayList<String>(1);
   authPrefs.add(AuthPolicy.BASIC);
   httpClient.getParams().setParameter(AuthPolicy.AUTH_SCHEME_PRIORITY, authPrefs);
   httpClient.getState().setCredentials(new AuthScope(uri.getHost(), uri.getPort(), AuthScope.ANY_REALM),new NTCredentials(username, password, uri.getHost(), domain));
   state = httpClient.getState();
  }
  else
  {
   if(state != null)
    httpClient.setState(state);
  }

NTLM/DIGEST同理