设计Manager类、GUI类及事件处理 题目描述 (1)设计一个Manager类并编写代 码， Manager类的属性有姓名， 工号，基本工资，小时工资(元/小时）。自定义方法：至少包括计算月工资的方法：calSalary()。 (2)编写一个GUI类，输入manager的姓名、工号，基本工资，月工作时间（小时），创建对象，调用calSalary()方法计算出该manager的月工资，并显示在用户界面上。 */
package test01_manager; import java.awt.GridLayout; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; public class ManageDemo { public static void main(String[] args) { // TODO Auto-generated method stub new ManagerGUI(); } } class Manager { private String name; private String ID; private double hourNum; private double basicPrice; private double hourPrice; public Manager(String name, String ID, double hourNum, double basicPrice, double hourPrice) { this.name = name; this.ID = ID; this.hourNum = hourNum; this.basicPrice = basicPrice; this.hourPrice = hourPrice; } public double calSalary() { return basicPrice + hourPrice * hourNum; } } class ManagerGUI extends JFrame implements ActionListener { // 定义组件 JLabel nameLabel, IDLabel, hourNumLabel, basicPriceLabel, hourPriceLabel, priceLabel; JTextField nameTextField, IDTextField, hourNumTextField, basicPriceTextField, hourPriceTextField, priceTextField; JPanel namePanel, IDPanel, hourNumPanel, basicPricePanel, hourPricePanel, pricePanel; JButton calSalaryButton; public ManagerGUI() { nameLabel = new JLabel("姓名"); IDLabel = new JLabel("工号"); hourNumLabel = new JLabel("小时数"); basicPriceLabel = new JLabel("基本工资"); hourPriceLabel = new JLabel("小时工资"); priceLabel = new JLabel("总工资"); nameTextField = new JTextField(10); IDTextField = new JTextField(10); hourNumTextField = new JTextField(10); basicPriceTextField = new JTextField(10); hourPriceTextField = new JTextField(10); priceTextField = new JTextField(10); namePanel = new JPanel(); IDPanel = new JPanel(); hourNumPanel = new JPanel(); basicPricePanel = new JPanel(); hourPricePanel = new JPanel(); pricePanel = new JPanel(); calSalaryButton = new JButton("计算"); // 添加绑定 calSalaryButton.addActionListener(this); namePanel.add(nameLabel); namePanel.add(nameTextField); IDPanel.add(IDLabel); IDPanel.add(IDTextField); hourNumPanel.add(hourNumLabel); hourNumPanel.add(hourNumTextField); basicPricePanel.add(basicPriceLabel); basicPricePanel.add(basicPriceTextField); hourPricePanel.add(hourPriceLabel); hourPricePanel.add(hourPriceTextField); pricePanel.add(priceLabel); pricePanel.add(priceTextField); this.setLayout(new GridLayout(7, 1, 5, 5)); this.add(namePanel); this.add(IDPanel); this.add(hourNumPanel); this.add(basicPricePanel); this.add(hourPricePanel); this.add(calSalaryButton); this.add(pricePanel); this.setTitle("Manager"); this.setSize(300, 250); // 设置窗体关闭时候，保证JVM要退出就是控制台 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // 获取你的屏幕的宽和高 int width = Toolkit.getDefaultToolkit().getScreenSize().width; int height = Toolkit.getDefaultToolkit().getScreenSize().height; // 然后设置你编写的窗口的初始位置，也就是在中间， this.setLocation(width / 2 - 200, height / 2 - 150); // 显示 this.setVisible(true); } @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub if (e.getSource() == calSalaryButton) { String name = nameTextField.getText(); String ID = IDTextField.getText(); double hourNum = Double.parseDouble(hourNumTextField.getText()); double basicPrice = Double.parseDouble(basicPriceTextField.getText()); double hourPrice = Double.parseDouble(hourPriceTextField.getText()); Manager manager = new Manager(name, ID, hourNum, basicPrice, hourPrice); double price = manager.calSalary(); priceTextField.setText(String.valueOf(price)); } } }