clientsend.java

用socket编写的白板

package test;

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

import test.*;


public class ClientSend 
{
	 private Socket socket;
	 private OutputStream os;
	 
	 public ClientSend(Socket socket)
	 {
	     try
	     {
	      this.socket = socket;
	      this.os = this.socket.getOutputStream();
	     }
	     catch(Exception e)
	     {
	      e.printStackTrace();
	     }
	 }
	 
	 public void send(int x1, int y1, int x2, int y2) throws Exception
	 {
	  
	  String sendline = x1+","+y1+","+x2+","+y2;
	  int k = sendline.length();
	  
	  for(int i=0; i<k; i++)
	  {
	   sendline+= " ";
	  }

	  byte b[] = new byte[20];
	  b =sendline.getBytes();
	  os.write(b, 0, 20);
	  
	 }
	 
	}