frame1.java~2~

Java灵感编程1-101之61-80

package chatclient;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.net.*;
import java.io.*;
import com.borland.jbcl.layout.*;

public class Frame1 extends JFrame implements Runnable {
  JPanel contentPane;
  TextArea textArea1 = new TextArea();
  TextField textField1 = new TextField();
  Button send = new Button();
  Button link = new Button();
  Button quit = new Button();
  Socket socket = null;
  BufferedReader in =null;
  PrintWriter out =null;
  XYLayout xYLayout1 = new XYLayout();
  Label label1 = new Label();


  /**Construct the frame*/
  public Frame1() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  /**Component initialization*/
  private void jbInit() throws Exception  {
    //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]")));
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(xYLayout1);
    this.setResizable(false);
    this.setSize(new Dimension(392, 221));
    this.setTitle("客户端");
    textField1.setColumns(15);
    send.setEnabled(false);
    send.setLabel("发送");
    send.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        send_actionPerformed(e);
      }
    });
    link.setLabel("连接");
    link.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        link_actionPerformed(e);
      }
    });
    quit.setLabel("退出");
    quit.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        quit_actionPerformed(e);
      }
    });
    textArea1.setEditable(false);
    label1.setText("label1");
    contentPane.add(textArea1,     new XYConstraints(18, 18, 359, 102));
    contentPane.add(textField1, new XYConstraints(104, 123, 249, -1));
    contentPane.add(link, new XYConstraints(194, 148, -1, -1));
    contentPane.add(quit, new XYConstraints(272, 147, -1, -1));
    contentPane.add(label1, new XYConstraints(26, 123, 62, 23));
    contentPane.add(send, new XYConstraints(23, 148, -1, -1));
  }
  /**Overridden so we can exit when window is closed*/
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      quit();
    }
  }
  public void run() {
    try{
      socket = new Socket("majinde",1258);
      in = new BufferedReader(new  InputStreamReader(socket.getInputStream()));
      out = new PrintWriter(socket.getOutputStream());
      send.setEnabled(true);
      receiver r = new receiver();
      Thread t = new Thread(r);
      t.start();
      textArea1.append("system information：have joined to server！\n");
      link.setEnabled(false);
    }catch(Exception e){
      textArea1.append(e.toString()+"\n");
    }
  }

  void link_actionPerformed(ActionEvent e) {
    Thread thread = new Thread(this);
    thread.start();
  }

  void send_actionPerformed(ActionEvent e) {
    out.println(textField1.getText());
    out.flush();
    textArea1.append("client information:"+textField1.getText()+"\n");
    textField1.setText("");
  }

  void quit(){
    try{
    out.println("clientexit!");
    out.flush();
    }catch(Exception e){}
    finally{
      System.exit(0);
    }
  }

  private class receiver implements Runnable{
    public void run(){
      String s1 = null;
      try{
        s1 = in.readLine();
        while(s1!="serverexit!"){
          textArea1.append("server information:"+s1+"\n");
          s1 = in.readLine();
        }
        in.close();
        out.close();
        socket.close();
      }catch(Exception e){}
      send.setEnabled(false);    //服务器端已退出，禁止发送消息
    }
  }

  void quit_actionPerformed(ActionEvent e) {
    quit();
  }
}