编写窗口界面应用程序
来源:百度知道 编辑:UC知道 时间:2024/06/07 02:41:45
本人是初学者,向各位大侠请教!谢谢!
//咱也是初学者,可是用心给你答题的哦,能不能酌情追加点分,30分?
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class test03
{
JFrame jFrame =new JFrame("简单计算器");
JPanel jContentPane = (JPanel) jFrame.getContentPane();
JTextField jTextField = new JTextField(3);
JTextField jTextField1 = new JTextField(3);
JLabel jLabel = new JLabel("+");
JLabel jLabel1 = new JLabel("结果未显示");
JButton jButton = new JButton("计算");
JButton jButton1 = new JButton("清除");
public test03() {
jContentPane.setLayout(new FlowLayout());
//计算按钮
jButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
jLabel1.setText("= "+getresult());
}});
//清除按钮
jButton1.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
jTextField.setText(