📄 myapplet.txt
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import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class MyApple extends JApplet {
/** Creates a new instance of MyApplet */
public void MyApplet() {
}
public void init(){
myFont = new Font("Dialog",Font.BOLD,16);
Bigger = new JButton("放大");
Smaller = new JButton("缩小");
jPanel1 = new JPanel();
jPanel2 = new JPanel();
jLabel1 = new JLabel("123");
jLabel1.setFont(myFont);
jPanel1.setLayout(new FlowLayout());
jPanel1.add(Bigger);
jPanel1.add(Smaller);
jPanel2.add(jLabel1);
Container cp= this.getContentPane();
cp.setLayout(new BorderLayout());
cp.add(jPanel1,BorderLayout.SOUTH);
cp.add(jPanel2,BorderLayout.CENTER);
Bigger.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent evt) {
BiggerActionPerformed(evt);
}
});
Smaller.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent evt) {
SmallerActionPerformed(evt);
}
});
this.setVisible(true);
}
private void BiggerActionPerformed(ActionEvent evt){
int size = myFont.getSize()+2;
myFont = new Font("Dialog",Font.BOLD,size);
this.jLabel1.setFont(myFont);
}
private void SmallerActionPerformed(ActionEvent evt){
int size = myFont.getSize()-2;
myFont = new Font("Dialog",Font.BOLD,size);
this.jLabel1.setFont(myFont);
}
private JButton Bigger,Smaller;
private JPanel jPanel1,jPanel2;
private JLabel jLabel1;
private Font myFont;
}
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