frame1.java

可以实现一对一

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;

public class Frame1 extends JFrame implements ActionListener
{
	String str;
	JButton b1,b2,b3,dlgb1,dlgb2;
	JTextField tf,tf2;
	JPanel pane1,pane2,pane3;
	JLabel l1,l2,l3,dlgl1;
	List list1,list2,list3;
	JRadioButton rb;
	Dialog dlg;
	Container con=this.getContentPane();
	Mm m2;
	ImageIcon icon=new ImageIcon("image\\login.gif");
	DatagramSocket ds2,ds3;
	public Frame1()
	{
		super("Title");
		setSize(800,600);
		l1=new JLabel("");
		l2=new JLabel("你对:");
		dlgl1=new JLabel("  真的要退出吗？  ");
		dlgl1.setFont(new Font("宋体", Font.BOLD, 15));
		rb=new JRadioButton("悄悄说:");
		rb.setBackground(new Color(237,240,241));
		b1=new JButton("发送");
		b1.setBackground(new Color(220,218,248));
		b2=new JButton("退出");
		b2.setBackground(new Color(220,218,248));
		b3=new JButton("清屏");
		b3.setBackground(new Color(220,218,248));
		dlgb1=new JButton("确定");
		dlgb1.setBackground(new Color(254,227,224));
		dlgb2=new JButton("取消");
		dlgb2.setBackground(new Color(254,227,224));
		tf=new JTextField(30);
		tf2=new JTextField("所有人",6);
		list1= new List();
		list2= new List();
		list3= new List();
		dlg=new Dialog(this,"退出",true);
		pane1=new JPanel();
		pane2=new JPanel();
		pane3=new JPanel();
		pane1.setSize(5,5);
		pane2.setSize(5,5);
		pane3.setSize(5,5);
		
		b1.addActionListener(this);
		b2.addActionListener(this);
		b3.addActionListener(this);
		dlgb1.addActionListener(this);
		dlgb2.addActionListener(this);
		list3.addActionListener(this);
		tf.addActionListener(this);
		this.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e)
	        {
		        dlg.show();
	        }
		});
		
		//pane1.add(l1);
		dlg.setSize(200,100);
		dlg.add(dlgl1);
		dlg.add(dlgb1);
		dlg.add(dlgb2);
		dlg.setLayout(new FlowLayout());
		dlg.setBackground(new Color(237,240,241));
		pane1.add(l2);
		pane1.add(tf2);
		pane1.add(rb);
		pane1.add(tf);
		
		pane1.add(b1);
		pane1.add(b2);
		pane1.add(b3);	
		pane1.setLayout(new FlowLayout());
		pane1.setBackground(new Color(237,240,241));
		
		list1.setBackground(new Color(179,225,253));
        list1.setFont(new Font("黑体", Font.BOLD, 15));
	    JScrollPane scr1 = new JScrollPane(list1);
		scr1.setPreferredSize(new Dimension(645,300));
		list1.setForeground(new Color(123,46,4));
		pane2.add(scr1);
		
	    list2.setForeground(new Color(123,46,4));
	    list2.setBackground(new Color(179,225,253));
        list2.setFont(new Font("黑体", Font.BOLD, 15));
	    JScrollPane scr2 = new JScrollPane(list2);
		scr2.setPreferredSize(new Dimension(645,100));
		pane2.add(scr2);
        pane2.setLayout(new GridLayout(2,1));
        
        list3.createImage(10,10);
        list3.setBackground(new Color(179,225,253));
        list3.setFont(new Font("黑体", Font.BOLD, 15));
        list3.setForeground(new Color(97,24,103));
        list3.add("所有人");//////////////////////////
        
        JScrollPane scr3 = new JScrollPane(list3);
		scr3.setPreferredSize(new Dimension(1,1));
		pane3.add(scr3);
		pane3.setLayout(new GridLayout(1,1));
		
		con.add(pane1,BorderLayout.SOUTH);
		con.add(pane2,BorderLayout.WEST);
		con.add(pane3,BorderLayout.CENTER);
		m2=new Mm();
		setResizable(false);
		setLocation(100,50);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		show();
///////////////////////////////////////////////////////接收信息	
		try
		{
			ds2=new DatagramSocket(8001);
			ds3=new DatagramSocket(9501);
		}
		catch(Exception e)
		{
		   	System.out.println(e);
		}
		new Thread(new Runnable()
		{
			public void run()
			{
				byte buf[]=new byte[1024];
				DatagramPacket dp=new DatagramPacket(buf,1024);
				while(true)
				{
					synchronized("a")
					{
					try
					{
						ds2.receive(dp);
						list1.add(new String(buf,0,dp.getLength()),0);
					}
					catch(Exception e2)
		            {
		   	            System.out.println(e2);
		            }
		            }
				}
			}
		}).start();
////////////////////////////////////////////////////////////接收完毕
////////////////////////////////////////////////////////////更新列表
		new Thread(new Runnable()
		{
			public void run()
			{
				byte buf[]=new byte[1024];
				DatagramPacket dp=new DatagramPacket(buf,1024);
				while(true)
				{
					synchronized("b")
					{
					try
					{
						ds3.receive(dp);
						list3.clear();
						str=new String(buf,0,dp.getLength());
						for(int i=0;i<30;i++)
						{
						    if (str.length()==1)
						    {
						    	break;
						    }
						    else
						    {
						    	int k=str.indexOf(' ');
						        list3.add(str.substring(0,k));
						        str=str.substring(k+1);
						    }
						    	
						}
					}
					catch(Exception e2)
		            {
		   	            e2.printStackTrace();
		            }
		            }
				}
			}
		}).start();
////////////////////////////////////////////////////////////更新完毕
	}
	
	public static void main(String[] args)
	{
		new Frame1();
	}
	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource()==b1)
		{
			String stringsend=tf2.getText()+" "+tf.getText();
			m2.strsend(stringsend);
			list2.add("你对"+tf2.getText()+"说:"+tf.getText(),0);
			tf.setText("");
		}
		if(e.getSource()==b2)
		{
			dlg.setLocation(this.getLocationOnScreen());
			dlg.show();
		}
		if(e.getSource()==b3)
		{
			list1.clear();
			list2.clear();
		}
		if(e.getSource()==dlgb1)
		{
			m2.updata("EXIT");
			m2.exit();
		}
		if(e.getSource()==dlgb2)
		{
		    dlg.dispose();
		}
		if(e.getSource()==list3)
		{
			tf2.setText(list3.getSelectedItem());
		}
		if(e.getSource()==tf)
		{
			String stringsend=tf2.getText()+" "+tf.getText();
			m2.strsend(stringsend);
			list2.add("你对"+tf2.getText()+"说:"+tf.getText(),0);
			tf.setText("");
		}
	}
}