java实现传文件

Question

  请问java有办法实现通过互联网向另外一台机器传送文件的办法么

Answer 1

public   void   acceptFile   (BufferedOutputStream   bos,Socket   sk)   
    {   
  //线程运行实体     
      BufferedReader   in   =   null;   
      DataInputStream   ins   =   null;   
      try{   
          InputStreamReader   isr;   
          isr   =   new   InputStreamReader   (sk.getInputStream   ());   
          in   =   new   BufferedReader   (isr);   
          ins   =   new   DataInputStream(new   BufferedInputStream(sk.getInputStream()));   
                          byte[]   buf=   new   byte[65536];   
                          indata=0;     
                            
                          inti=System.currentTimeMillis();   
                          indata=ins.read(buf);   
          while(indata!=-1){   
  bos.write(buf,0,indata);   
              bos.flush();   
              indata   =   ins.read(buf);   
          }   
          setEnableAll(true);   
          ifcom=false;   
          jd1.dispose();   
          bos.close();     
          ins.close();   
            
          }catch   (IOException   e)   
          {   
                System.out.println   (e.toString   ()+"传输出现异常");   
          }   
          finally   
          {   
              try{   
                if   (in   !=   null)   
                    in.close   ();   
                  if   (sk   !=   null)   
                        sk.close   ();     
        }catch   (IOException   e)   
          {   
              System.out.println("流设备关闭错误！");   
          }   
            
          }   
    }   
  }   
    
    
    
  public   void   fileSend   ()   
    {   
      try{   
      //使用port端口   
        sk   =   new   Socket   ();   
        InetSocketAddress   ia   =   new   InetSocketAddress(addr,port);   
        sk.connect(ia,2000);   
          
                          InputStreamReader   isr;   
        isr   =   new   InputStreamReader   (sk.getInputStream   ());   
        in   =   new   BufferedReader   (isr);   
        //建立输出   
        out   =   new   PrintWriter   (   
                      new   BufferedWriter(   
                        new   OutputStreamWriter(   
                            sk.getOutputStream   ())),   true);   
                          outs   =   new   DataOutputStream(new   BufferedOutputStream(sk.getOutputStream()));   
                          File   file   =   new   File(filename);   
                          long   flength   =   file.length();   
                          FileInputStream   fis   =   new   FileInputStream(file);       
                          BufferedInputStream   bis =   new   BufferedInputStream(fis);   
                          byte[]   buf   =   new   byte[65536];   
                          outdata=0;   
                          n   =   fis.available();   
        inti=System.currentTimeMillis();   
        outdata=bis.read(buf);   
    
  while(outdata!=-1){   
  outs.write(buf,0,outdata);             //发送数据   
  outs.flush();   
  outdata=bis.read(buf);   
  }   
        jb1.setEnabled(true);   
        if(bis!=null)bis.close();   
      }   
      catch   (IOException   e)   
      {   
  JOptionPane.showMessageDialog(null,"连接出错！");   
  jl3.setText("连接服务器出错！网络错误！请重试！");   
  jb1.setEnabled(true);   
      }   
      finally   
      {   
        //释放资源   
        try   
        {   
          if   (in   !=   null)   in.close   ();   
          if   (out   !=   null)   out.close   ();   
          if   (sk   !=   null)   sk.close   ();   
        }   
        catch   (IOException   e)   
        {   
        }   
      }   
    }
参考这个http://topic.csdn.net/t/20060314/07/4612346.html