0
我有sendPost()方法,它發送發佈數據以登錄到某個站點。我能夠獲得302的響應代碼。執行此方法後,我有一個sendPost2()方法,該方法在我成功登錄後可以工作。但是,我在sendPost2()中得到響應代碼200,它還告訴我沒有登錄。似乎在執行sendPost()後,httpclient將我註銷。你如何防止它註銷?發送發佈數據時HttpClient自動註銷
這裏是我的sendPost(),但我不能給你一個有效的用戶名和密碼:
private void sendPost() throws Exception {
String url = "http://sblive.auf.edu.ph/schoolbliz/commfile/login.jsp";
HttpClient client = new DefaultHttpClient();
HttpPost post = new HttpPost(url);
// add header
post.setHeader("User-Agent", USER_AGENT);
List<NameValuePair> urlParameters = new ArrayList<NameValuePair>();
urlParameters.add(new BasicNameValuePair("user_id", "testusername"));
urlParameters.add(new BasicNameValuePair("password", "testpassword"));
urlParameters.add(new BasicNameValuePair("x", "47"));
urlParameters.add(new BasicNameValuePair("y", "1"));
urlParameters.add(new BasicNameValuePair("body_color", "#9FBFD0"));
urlParameters.add(new BasicNameValuePair("welcome_url", "../PARENTS_STUDENTS/main_files/login_success.htm"));
urlParameters.add(new BasicNameValuePair("login_type", "parent_student"));
post.setEntity(new UrlEncodedFormEntity(urlParameters));
HttpResponse response = client.execute(post);
System.out.println("\nSending 'POST' request to URL : " + url);
System.out.println("Post parameters : " + post.getEntity());
System.out.println("Response Code : " +
response.getStatusLine().getStatusCode());
BufferedReader rd = new BufferedReader(
new InputStreamReader(response.getEntity().getContent()));
StringBuffer result = new StringBuffer();
String line = "";
while ((line = rd.readLine()) != null) {
result.append(line);
}
System.out.println(result.toString());
當與網站的接口,因爲HTTP本身是無狀態協議,網站通常使用Cookie存儲會話數據。從您的代碼中,我沒有看到您發送網站希望您發送的Cookie的任何地方(Cookie關閉時瀏覽器的行爲)。由於每次請求都會發送空白cookie,因此自該POST響應初始以來,該網站假定您是完全獨立的客戶端。基本上,您必須重新發送網站期望您存儲的所有Cookie。 – initramfs