chatframe.java

局域网聊天的小程序

package day16;

import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.SwingUtilities;

public class ChatFrame extends JFrame {

	private static final long serialVersionUID = 1L;

	private JPanel jContentPane = null;

	private JTextField jTextField = null;

	private JScrollPane jScrollPane = null;

	private JTextArea jTextArea = null;

	private JTextField jTextField1 = null;

	private JButton jButton = null;

	private JTextField jTextField2 = null;

	/**
	 * This method initializes jTextField	
	 * 	
	 * @return javax.swing.JTextField	
	 */
	private JTextField getJTextField() {
		if (jTextField == null) {
			jTextField = new JTextField();
			jTextField.setBounds(new Rectangle(56, 16, 169, 22));
		}
		return jTextField;
	}

	/**
	 * This method initializes jScrollPane	
	 * 	
	 * @return javax.swing.JScrollPane	
	 */
	private JScrollPane getJScrollPane() {
		if (jScrollPane == null) {
			jScrollPane = new JScrollPane();
			jScrollPane.setBounds(new Rectangle(58, 50, 245, 116));
			jScrollPane.setViewportView(getJTextArea());
		}
		return jScrollPane;
	}

	/**
	 * This method initializes jTextArea	
	 * 	
	 * @return javax.swing.JTextArea	
	 */
	private JTextArea getJTextArea() {
		if (jTextArea == null) {
			jTextArea = new JTextArea();
			jTextArea.setEditable(false);
			ServerThread st=new ServerThread(jTextArea);
			st.start();
		}
		return jTextArea;
	}

	/**
	 * This method initializes jTextField1	
	 * 	
	 * @return javax.swing.JTextField	
	 */
	private JTextField getJTextField1() {
		if (jTextField1 == null) {
			jTextField1 = new JTextField();
			jTextField1.setBounds(new Rectangle(58, 191, 242, 22));
		}
		return jTextField1;
	}

	/**
	 * This method initializes jButton	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getJButton() {
		if (jButton == null) {
			jButton = new JButton();
			jButton.setBounds(new Rectangle(306, 192, 65, 21));
			jButton.setText("发送");
			jButton.addActionListener(new ActionListener(){

				public void actionPerformed(ActionEvent e) {
					try {
						String ip=ChatFrame.this.getJTextField().getText();
						int port=Integer.parseInt(ChatFrame.this.getJTextField2().getText());
						Socket s=new Socket(ip,port);
						OutputStream os=s.getOutputStream();
						String mes=ChatFrame.this.getJTextField1().getText();
						os.write(mes.getBytes());
						os.close();
					} catch (NumberFormatException e1) {
						// TODO Auto-generated catch block
						e1.printStackTrace();
					} catch (UnknownHostException e1) {
						// TODO Auto-generated catch block
						e1.printStackTrace();
					} catch (IOException e1) {
						// TODO Auto-generated catch block
						e1.printStackTrace();
					}
					
					
				}
				
			});
		}
		return jButton;
	}

	/**
	 * This method initializes jTextField2	
	 * 	
	 * @return javax.swing.JTextField	
	 */
	private JTextField getJTextField2() {
		if (jTextField2 == null) {
			jTextField2 = new JTextField();
			jTextField2.setBounds(new Rectangle(237, 16, 60, 22));
		}
		return jTextField2;
	}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		SwingUtilities.invokeLater(new Runnable() {
			public void run() {
				ChatFrame thisClass = new ChatFrame();
				thisClass.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
				thisClass.setVisible(true);
			}
		});
	}

	/**
	 * This is the default constructor
	 */
	public ChatFrame() {
		super();
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setSize(391, 279);
		this.setContentPane(getJContentPane());
		this.setTitle("JFrame");
	}

	/**
	 * This method initializes jContentPane
	 * 
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			jContentPane = new JPanel();
			jContentPane.setLayout(null);
			jContentPane.add(getJTextField(), null);
			jContentPane.add(getJScrollPane(), null);
			jContentPane.add(getJTextField1(), null);
			jContentPane.add(getJButton(), null);
			jContentPane.add(getJTextField2(), null);
		}
		return jContentPane;
	}

}  //  @jve:decl-index=0:visual-constraint="10,10"