[問題] HTTP POST

[CMturtle (傑尼龜)]

我想寫一個可以上傳程式碼到online judge的程式

我的想法是，先和伺服器連線後(用socket)

用post指令傳帳號密碼和程式碼上去

我剛把code改了一下，我發現我是要對action的網頁做post

所以現在可以成功登入了，但是卻無法上傳程式碼

他傳回來的訊息是，please login first

這要怎麼處理阿？？

import java.net.*;
import java.io.*;

public class Address
{
        public static void main(String argv[])
        {
                try
                {
                        InetAddress address = InetAddress.getByName(argv[0]);
                        BufferedWriter wr;
                        BufferedReader rd;
                        try
                        {
                                Socket skt = new Socket(address,80);

                                wr = new BufferedWriter(new OutputStreamWriter(skt.getOutputStream()));
                                rd = new BufferedReader(new InputStreamReader(skt.getInputStream()));
                                String line;

                                String url = "/login";
                                String host = "poj.org";
                                String type = "application/x-www-form-urlencoded";
                                String content = "user_id1=&password1=";

                                wr.write("POST "+url+" HTTP/1.1\r\n");
                                wr.write("Host: "+host+"\r\n");
                                wr.write("Content-Type: "+type+"\r\n");
                                wr.write("Content-Length: "+content.length()+"\r\n");
                                wr.write("\r\n");
                                wr.write(content+"\r\n");
                                wr.flush();

                                url = "/submit";
                                content =
"problem_id=1000&language=1&source=1234564864fjefjfejkoqjkejl;jf";

                                wr.write("POST "+url+" HTTP/1.1\r\n");
                                wr.write("Host: "+host+"\r\n");
                                wr.write("Content-Type: "+type+"\r\n");
                                wr.write("Content-Length: "+content.length()+"\r\n");
                                wr.write("\r\n");
                                wr.write(content+"\r\n");
                                wr.flush();

                                while((line = rd.readLine())!=null)
                                        System.out.println(line);
                                skt.close();
                        }
                        catch(IOException e)
                        {
                                e.printStackTrace();
                        }
                }
                catch(UnknownHostException e)
                {
                        e.printStackTrace();
                }
        }
}
※ 編輯: CMturtle        來自: 61.225.84.30         (01/25 20:39)
→ tkcn:是要送到 uva quick submit (未登入)那頁嗎?
→ CMturtle:我是想傳到pku online judge 上面耶>"<
→ tkcn:我只是想確認送出之前需要先登入嗎 :p
推 a1234957:SERVLET JSP