📄 htmlbutton.java

📁 Thinking in JAVA第四版源代码

💻 JAVA

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//: gui/HTMLButton.java
// Putting HTML text on Swing components.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import static net.mindview.util.SwingConsole.*;

public class HTMLButton extends JFrame {
  private JButton b = new JButton(
    "<html><b><font size=+2>" +
    "<center>Hello!<br><i>Press me now!");
  public HTMLButton() {
    b.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        add(new JLabel("<html>" +
          "<i><font size=+4>Kapow!"));
        // Force a re-layout to include the new label:
        validate();
      }
    });
    setLayout(new FlowLayout());
    add(b);
  }
  public static void main(String[] args) {
    run(new HTMLButton(), 200, 500);
  }
} ///:~

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