b.java

用户需要注册

import java.awt.*;

import javax.swing.*;

import java.io.*;
import java.net.*;
import java.awt.event.*;
//聊天
public class b extends JFrame implements ActionListener,Runnable{

	/**
	 * @param args
	 * 
	 */
	private JTextArea jTextArea = new JTextArea();
	private JTextArea jTextArea1 = new JTextArea();
	private JButton jButton = new JButton("发送");
	private JPanel jPanel = new JPanel();
	private JPanel jPanel1 = new JPanel();
	//private JPanel p2 = new JPanel();
	public b()
	{
		
		
	}
	
	
	
	public void run() {
		getContentPane().setLayout(null);
		//p1.add(jta2,BorderLayout.CENTER);
		//p1.add(jbt,BorderLayout.SOUTH);
		//jta1.setEditable(false);
		
		/*jTextArea.setLineWrap(true);
		jta1.setWrapStyleWord(true);
		jta2.setLineWrap(true);
		jta2.setWrapStyleWord(true);
		getContentPane().add(new JScrollPane(jta1));
		getContentPane().add(new JScrollPane(jta2));
		getContentPane().add(jbt);*/
		
		//setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jButton.setBounds(new Rectangle(204, 286, 120, 35));
		jTextArea.setBackground(new Color(223, 235, 236));
		jTextArea.setEditable(false);
		jTextArea1 = new JTextArea();
		GridBagConstraints gridBagConstraints1 = new GridBagConstraints();
		gridBagConstraints1.fill = GridBagConstraints.BOTH;
		gridBagConstraints1.gridy = 0;
		gridBagConstraints1.weightx = 1.0;
		gridBagConstraints1.weighty = 1.0;
		gridBagConstraints1.gridx = 0;
		jPanel1 = new JPanel();
		jPanel1.setLayout(new GridBagLayout());
		jPanel1.setBounds(new Rectangle(0, 172, 518, 90));
		jPanel1.add(new JScrollPane(jTextArea1), gridBagConstraints1);
		GridBagConstraints gridBagConstraints = new GridBagConstraints();
		gridBagConstraints.fill = GridBagConstraints.BOTH;
		gridBagConstraints.gridy = 0;
		gridBagConstraints.weightx = 1.0;
		gridBagConstraints.weighty = 1.0;
		gridBagConstraints.gridx = 0;
		jPanel = new JPanel();
		jPanel.setLayout(new GridBagLayout());
		jPanel.setBounds(new Rectangle(1, 0, 517, 172));
		jPanel.add(new JScrollPane(jTextArea), gridBagConstraints);
		getContentPane().add(jPanel, null);
		getContentPane().add(jPanel1, null);
		getContentPane().add(jButton, null);
		setTitle("聊天室");
		setSize(527, 373);
		setVisible(true);
		//setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jButton.addActionListener(this);
		
		try
		{
			ServerSocket serverSocket = new ServerSocket(1001);
			while(true)
			{
				Socket socket = serverSocket.accept();
				try
				{
					BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
					String name = new String(in.readLine());
					if(!name.equals("#"))
					{
					jTextArea.append(name+'\n');
					jTextArea.repaint();
					}
					else
					{
						PrintWriter toServer1 = null;
						try
						{
							Socket socket1;
							socket1 = new Socket("localhost",1000);
							toServer1 = new PrintWriter(socket1.getOutputStream(),true);
							toServer1.println("#");
						
							socket.close();
						}
						catch(IOException ex)
						{
							System.err.println(ex);
						}
						toServer1.flush();
						break;
					}
				}
				catch(IOException ex)
				{
					System.out.println(ex);
				}
				//jbt.addActionListener(this);
			}
		}
		catch(IOException ex)
		{
			System.out.println(ex.getMessage());
		}
	}
	public void actionPerformed(ActionEvent e)
	{
		PrintWriter toServer = null;
		try
		{
			Socket socket;
			socket = new Socket("localhost",1000);
			toServer = new PrintWriter(socket.getOutputStream(),true);
			toServer.println(jTextArea1.getText().trim());
			jTextArea1.setText("");
			this.repaint();
		}
		catch(IOException ex)
		{
			System.err.println(ex);
		}
		toServer.flush();
	}
	/*class RegistrationThread extends Thread
	{
		private Socket socket;
		private BufferedReader in;
		public RegistrationThread(Socket socket)
		{
			this.socket = socket;
			try
			{
				in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
				
			}
			catch(IOException e)
			{
				System.out.println(e.getMessage());
			}
		}
		public void run()
		{
			
		}*/
	}