frame1.java

来自「是用java开发的一些程序原代码 是用java开发的一些程序原代码」· Java 代码 · 共 57 行

package ex05_08;

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

public class Frame1 extends JFrame {
  JPanel contentPane;
  JLabel jLabel1 = new JLabel();
  JButton jButton1 = new JButton();

  /**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();
    jLabel1.setText("请问1乘到10答案是多少?");
    jLabel1.setBounds(new Rectangle(30, 28, 139, 19));
    contentPane.setLayout(null);
    this.setSize(new Dimension(400, 300));
    this.setTitle("Frame Title");
    jButton1.setText("解答");
    jButton1.setBounds(new Rectangle(57, 59, 79, 29));
    jButton1.addActionListener(new java.awt.event.ActionListener() {
      public void actionPerformed(ActionEvent e) {
        jButton1_actionPerformed(e);
      }
    });
    contentPane.add(jLabel1, null);
    contentPane.add(jButton1, null);
  }
  /**Overridden so we can exit when window is closed*/
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }

  void jButton1_actionPerformed(ActionEvent e) {
int ans=1;
for (int x=1 ; x<=10 ; x++)
  {
    ans=ans*x;
  }
  jLabel1.setText(String.valueOf(ans));
  }
}