chatclient.java

JAVA程序设计简单语音聊天源码

import java.awt.*;
import java.awt.event.*;
import java.io.DataOutputStream;
import java.io.IOException;
import java.net.*;


public class ChatClient extends Frame{
	
	TextField tfTxt = new TextField();
	TextArea  taContent = new TextArea();
	Socket s = null;
	DataOutputStream dos = null;
	
	public static void main(String[] args) {
		new ChatClient().launchFrame();
		
	}
	
	public void launchFrame(){
		this.setLocation(150, 200);
		this.setSize(300, 300);
		this.add(tfTxt,BorderLayout.SOUTH);
		this.add(taContent,BorderLayout.NORTH);
		pack();
		this.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent e){
				System.exit(0);
				disconnect();
			}
		});
		tfTxt.addActionListener(new TFListener());
		this.setVisible(true);
		connect();
		
	}

	private class TFListener implements ActionListener {
		public void actionPerformed(ActionEvent e) {
			String temp = tfTxt.getText();
			//taContent.setText(temp);
			tfTxt.setText("");
			try{
				dos = new DataOutputStream(s.getOutputStream());
				dos.writeUTF(temp);
				dos.flush();
			}catch (IOException e1){
				e1.printStackTrace();
			}
		}
		
	}

	public void connect(){
		try{
			s = new Socket("127.0.0.1",5000);
			System.out.println("connected!");
		}catch(UnknownHostException e){
			e.printStackTrace();
		}catch (IOException e){
			e.printStackTrace();
		}
	}

	public void disconnect(){
		try{
			if (dos !=null) dos.close();
			if (s !=null) s.close();
		}catch(IOException e)
		{
			e.printStackTrace();
		}
	}
}