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发信人: arbo (arbo), 信区: program
标  题: java 笔记6
发信站: 听涛站 (2001年09月17日10:47:17 星期一), 站内信件

绦蚪换�)
Swing (JFC主要焦点）

Swing, the Pluggable look and feel , just like Unix environment
Swing 是建筑在一个性的component, JComponent上
JApplet, Jbutton, JCombobox, JOptionPane,
Jlist, JLabel,JScrollPane, JTable,JScrollBar, JSlider, JTooltip, JTree
next will give a basic swing application
It create a HelloSwing Frame, with a button, when click, it will
count the click number.

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

public class t implements ActionListener{
    private JFrame jFrame;
    private JLabel jLabel;
    private JPanel jPanel;
    private JButton jButton;
    private AccessibleContext accContext;

    private String labelPrefix= "Number of clicks:";
    private int numClicks=0;

    public void go(){
        jFrame=new JFrame("HelloSwing");
        jlabel=new JLabel(labelPrefix+"0");
        jButton=new JButton("I am a swing button");
        jButton.setMnemonic('i');
        jButton.addActionListener(this);
        accContext=jButton.getAccessibleContext();
        accContext.setAccessibleDescription("Press this button increments "+
                "the number of button clicks");

        jPane=new jPanel();
        jPanel.setBorder(BorderFactory.createEmptyBorder(30,30,10,30));
        jPanel.setLayout(new GridLayout(0,1));
        jPanel.add(jButton);
        jPanel.add(jLabel);
        jFrame.setContentpane(jPanel);

        WindowListener w1=new WindowAdapter(){
              public void windowClosing(WindowEvent e){
                                System.exit(0);
              }
        };

        jFrame.addWindowListener(w1);

        jFrame.pack();
        jFrame.setVisible(true);
    }

     public void actionPerformed(ActionEvent e){
        numClicks++;
        jLabel.setText(labelPrefix+numClicks);
     }
     public static void main(String a[]){
        HelloSwing helloSwing =new HelloSwing ();
        helloSwing.go();
     }
}

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※ 来源:·听涛站 tingtao.dhs.org·[FROM: 匿名天使的家]

computer 版 (精华区)