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Simple Swing Components

百步�I�杨 — Fri, 23 Nov 2007 08:47:00 GMT

摘要: Simple Swing Components 阅读全文

百步�I�杨 2007-11-23 16:47 发表评论

swing WindowUtilities 入门

百步�I�杨 — Fri, 23 Nov 2007 08:25:00 GMT

摘要: swing入门阅读全文

百步�I�杨 2007-11-23 16:25 发表评论

jEdit: Java Programmer’s Text Editor++

百步�I�杨 — Mon, 05 Nov 2007 05:57:00 GMT

摘要: jEdit: Java Programmer’s Text Editor++ by Robert Swarr AgoraLogos, LLC February 3, 2003 Copyright ? 2003 Robert ... 阅读全文

百步�I�杨 2007-11-05 13:57 发表评论

百步�I�杨 — Mon, 05 Nov 2007 05:54:00 GMT

摘要: ��Java应用�E�序本地�~�译为EXE的几�U�方�?nbsp; 阅读全文

百步�I�杨 2007-11-05 13:54 发表评论

Swing�p�d��?JPasswordFieldDemo

百步�I�杨 — Fri, 12 Oct 2007 04:09:00 GMT

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

public class JPasswordFieldDemo extends JFrame {
JTextField username; //用户名输入框
JPasswordField password; //密码输入�?br /> JButton logonButton; //��d��按钮
JButton cancelButton; //退出按�?/p>

public JPasswordFieldDemo() { //构造函�?/p>

super("JPasswordField演示"); //调用父类构造函�?br /> Container container=getContentPane(); //得到容器
container.setLayout(new GridLayout(3, 2, 2, 2)); //讄��布局��理�?/p>

   username=new JTextField(16); //初始化文本输入框,宽度�?6�?br />   password=new JPasswordField(16); //初始化密码输入框,宽度�?6�?br />   logonButton=new JButton("��d��"); //初始化登录按�?br />   logonButton.addActionListener( //��d��按钮事�g处理
     new ActionListener(){
      public void actionPerformed(ActionEvent evt){
        char[] pw=password.getPassword(); //得到密码
         String message="�(zh��n)�的用户名："+username.getText()+"\n�(zh��n)�的密码�Q?+new String(pw); //消息字符�?br />      JOptionPane.showMessageDialog(JPasswordFieldDemo.this, message); //昄��消息
       }
    });
    cancelButton=new JButton("退�?); //初始化退出按�?br />    cancelButton.addActionListener( //初始化按钮事件处�?br />      new ActionListener(){
       public void actionPerformed(ActionEvent evt){
             System.exit(0); //退出程�?br />        }
     });

    container.add(new JLabel("      用户�?")); //增加�l��g
    container.add(username);
    container.add(new JLabel("      密码:"));
   container.add(password);
   container.add(logonButton);
   container.add(cancelButton);
   setResizable(false); //不允许用��h��变窗口大��?br />   setSize(300,120); //讄��H�口��寸
   setVisible(true); //讄��H�口可视
   setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //关闭�H�口旉��出程�?br />  }

public static void main(String[] args) {
new JPasswordFieldDemo();
}
}

百步�I�杨 2007-10-12 12:09 发表评论

Swing实例�p�d��?ClockDemo

百步�I�杨 — Fri, 12 Oct 2007 04:01:00 GMT

import java.awt.*;
import java.util.*;
import javax.swing.*;

//数字旉��
public class ClockDemo extends JFrame implements Runnable{
Thread clock;

public ClockDemo(){
  super("数字旉��"); //调用父类构造函敊W?br />  setFont(new Font("Times New Roman",Font.BOLD,60)); //讄��旉��的显�C�字�?br />  start(); //开始进�E?br />  setSize(280,100); //讄��H�口��寸
  setVisible(true); //�H�口可视
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //关闭�H�口旉��出程�?br /> }

public void start(){ //开始进�E?br />  if (clock==null){ //如果�q�程为空�?br />   clock=new Thread(this); //实例化进�E?br />   clock.start(); //开始进�E?br />  }
}

public void run(){ //�q�行�q�程
  while (clock!=null){
   repaint(); //调用paint�Ҏ(gu��)��重绘界面
   try{
    Thread.sleep(1000); //�U�程暂停一�U?1000毫秒)
   }
   catch (InterruptedException ex){
    ex.printStackTrace(); //输出出错信息
   }
  }
}

public void stop(){ //停止�q�程
  clock=null;
}

public void paint(Graphics g){ //重蝲�l��g的paint�Ҏ(gu��)��
  Graphics2D g2=(Graphics2D)g; //得到Graphics2D对象
  Calendar now=new GregorianCalendar(); //实例化日历对�?br />  String timeInfo=""; //输出信息
  int hour=now.get(Calendar.HOUR_OF_DAY); //得到��时�?br />  int minute=now.get(Calendar.MINUTE);   //得到分数
  int second=now.get(Calendar.SECOND); //得到�U�数

  if (hour<=9)
   timeInfo+="0"+hour+":"; //格式化输�?br />  else
   timeInfo+=hour+":";
  if (minute<=9)
   timeInfo+="0"+minute+":";
  else
   timeInfo+=minute+":";
  if (second<=9)
   timeInfo+="0"+second;
  else
   timeInfo+=second;

  g.setColor(Color.white); //讄��当前颜色为白�?br />  Dimension dim=getSize(); //得到�H�口��寸
  g.fillRect(0,0,dim.width,dim.height); //填充背景色�ؓ白色
  g.setColor(Color.orange); //讄��当前颜色为橙�?br />  g.drawString(timeInfo,20,80); //昄��旉��字符�?br /> }

public static void main(String[] args){
new ClockDemo();
}
}

百步�I�杨 2007-10-12 12:01 发表评论

Swing实例�p�d��之FileIO

百步�I�杨 — Thu, 11 Oct 2007 03:25:00 GMT

摘要: FileIO swingUI
开始学�?Swing相关的知识了... 阅读全文

百步�I�杨 2007-10-11 11:25 发表评论