/* * To change this template, choose Tools | Templates * and open the template in the editor. */package server;/** * * @author Administrator */import java.io.*;import java.net.*;import java.util.*;class FileName implements FilenameFilter  {     String str=null;         FileName (String s)         {            str="."+s;         }    public  boolean accept(File dir,String name)         {             return name.endsWith(str);         }              }public class Server {    public static void main(String args[])    {     ServerSocket server=null;     Socket you=null;     while(true)             {             try                  {                     server=new ServerSocket(6666);                  }             catch(IOException e1)                   {                     System.out.println("正在監聽");                  }              try  {                     you=server.accept();                               InetAddress address=you.getInetAddress();                     System.out.println("客戶端的IP:"+address);                                       }             catch (IOException e)                  {                  }             if(you!=null)                   {                     new Server_thread(you).start();                   }             else {                    continue;                  }           }  }}class Server_thread extends Thread{     int i=0;   Socket socket=null;   File file=null;   DataOutputStream out=null;   DataInputStream  in=null;   ReadTestquestion 讀取試題=null;   boolean 通知考試界面考試用時=true;   Server_thread(Socket t)       {          socket=t;         try {               in=new DataInputStream(socket.getInputStream());               out=new DataOutputStream(socket.getOutputStream());             }         catch (IOException e)             {             }         讀取試題=new ReadTestquestion();       }   public void run()          {            while(true)      {    String s=null;           try           {            s=in.readUTF();                                      if(s.startsWith("列出考試文件"))                      {               String 當前目錄=System.getProperty("user.dir");               File dir=new File(當前目錄);               FileName fileTxt=new FileName("txt");               String fileName[]=dir.list(fileTxt);                  for(int i=0;i<fileName.length;i++)                   {                    out.writeUTF("考試文件:"+fileName[i]);                   }                out.writeUTF("已經全部列出:");              }            else if(s.startsWith("考試文件的名字:"))               {                String fileName=s.substring(s.indexOf(":")+1);                  讀取試題.setFilename(fileName);                讀取試題.set完成考試(false);                通知考試界面考試用時=true;                                   }            else if(s.startsWith("讀取下一題"))              {                String contentTest=讀取試題.getTestContent();                  out.writeUTF("試題內容:"+contentTest);                         if(通知考試界面考試用時==true)                   {                     long time=讀取試題.getTime();                                   out.writeUTF("考試用時:"+time);                       通知考試界面考試用時=false;                               }                if(讀取試題.get完成考試())                   {                     out.writeUTF("考試結束:");                    }                              }            else if(s.startsWith("提交的答案:"))              {                String answer=s.substring(s.indexOf(":")+1);                  讀取試題.setSelection(answer);                             }            else if(s.startsWith("查看得分"))              {                int score=讀取試題.getScore();                String messages=讀取試題.getMessages();                out.writeUTF("分數:"+score+"\n"+messages);              }           }       catch(IOException ee)           {              try{                 socket.close();                 }              catch(Exception eee)                 {                 }              System.out.println("客戶離開了");              break;           }                  }   }}