JavaTCP上传文本文件代码

public class uploadclient {

  public static void main(string[] args) throws unknownhostexception, ioexception {

  // todo auto-generated method stub

  //1，创建socket客户端对象

  socket s = new socket( "localhost" , 10005 );

  //2，读取本地文件

  bufferedreader bufr = new bufferedreader( new filereader( "c:\\新建文件夹\\client.txt" ));

  //3，socket流

  printwriter out = new printwriter(s.getoutputstream(), true );

  string line = null ;

  while ((line=bufr.readline())!= null ){

   out.println(line);

  }

  //告诉服务端，客户端写完了

  s.shutdownoutput();

  //4，读取服务端返回的上传成功对象

  bufferedreader bufin = new bufferedreader( new inputstreamreader(s.getinputstream()));

  string str = bufin.readline();

  system.out.println(str);

  //关闭资源

  bufr.close();

  s.close();

  }

}

public static void main(string[] args) throws unknownhostexception, ioexception {

  // todo auto-generated method stub

  //1,

  serversocket ss = new serversocket( 10005 );

  //2,获取socket对象

  socket s = ss.accept();

  //获取ip

  system.out.println(s.getinetaddress().gethostaddress()+ "....conected" );

  //3,获取socket读取流，并装饰

  bufferedreader bufin = new bufferedreader( new inputstreamreader(s.getinputstream()));

  //4,写入文件

  bufferedwriter bufw = new bufferedwriter( new filewriter( "c:\\新建文件夹\\server.txt" ));

  string line = null ;

  while ((line=bufin.readline())!= null ){

   bufw.write(line);

   bufw.newline(); //换行

   bufw.flush(); //刷新流

  }

  printwriter out = new printwriter(s.getoutputstream(), true );

  out.println( "上传成功" );

  bufw.close();

  s.close(); //关闭客户端

  ss.close(); //关闭服务端

  }