myclient.java~6~

JBuilder实现的具有单机

package client;

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



public class MyClient
{

    final int RECEIVE_OUT_PORT=9090;

    String serverName;
    PrintWriter m_printWriter;
    Socket socketOut=null;

    public MyClient(String str)
    {

        try
        {
            socketOut=new Socket(str,RECEIVE_OUT_PORT);

            OutputStreamWriter writer=new OutputStreamWriter(socketOut.getOutputStream());
            m_printWriter=new PrintWriter(writer,true);


        }
        catch(Exception e)
        {
            e.printStackTrace();
          System.out.println("can't connect to the server");
        }
    }

      public boolean writeStr(String str)
      {
        if(m_printWriter==null)return false;
        try
        {
            m_printWriter.println(str);
            m_printWriter.flush();
        }
        catch(Exception e)
        {
            return false;
        }
        return true;
      }
      /**
       * 用来显示不是对方发过来的消息
       */

      public void close()
      {
        m_printWriter.close();


      }

      public void set_serverName(String s){
        this.serverName=s;
      }
}