sendchannel.java

《java网络编程精解》的源代码

import java.io.*;
import java.net.*;
import java.nio.*;
import java.nio.channels.*;
public class SendChannel {
  public static void main(String args[])throws Exception {
    DatagramChannel channel= DatagramChannel.open();
    DatagramSocket socket=channel.socket();
    SocketAddress localAddr=new InetSocketAddress(7000);
    SocketAddress remoteAddr=new InetSocketAddress(InetAddress.getByName("localhost"),8000);
    socket.bind(localAddr);
    while(true){
      ByteBuffer buffer=ByteBuffer.allocate(1024);
      buffer.clear();
      System.out.println("缓冲区的剩余字节为"+buffer.remaining());
      int n=channel.send(buffer,remoteAddr);
      System.out.println("发送的字节数为"+n);
      Thread.sleep(500);
    }
  }
}



/****************************************************
 * 作者：孙卫琴                                     *
 * 来源：<<Java网络编程精解>>                       *
 * 技术支持网址：www.javathinker.org                *
 ***************************************************/