复利计算器1.0

 

 

  1 package JSQ;
  2 
  3 import java.awt.EventQueue;
  4 
  5 import javax.swing.JFrame;
  6 import javax.swing.JPanel;
  7 import javax.swing.border.EmptyBorder;
  8 import javax.swing.JLabel;
  9 import javax.swing.JTextField;
 10 import javax.swing.JButton;
 11 import java.awt.event.ActionListener;
 12 import java.awt.event.ActionEvent;
 13 import java.awt.Font;
 14 import java.awt.event.MouseAdapter;
 15 import java.awt.event.MouseEvent;
 16 import java.awt.Color;
 17 
 18 public class FuLiJiSuanQi extends JFrame {
 19 
 20 /**
 21 * 
 22 */
 23 private static final long serialVersionUID = 1L;
 24 private JPanel contentPane;
 25 private JTextField textField_1;
 26 private JTextField textField_2;
 27 private JTextField textField;
 28 private JTextField textField_3;
 29 private JLabel label_1;
 30 /**
 31 * Launch the application.
 32 */
 33 public static void main(String[] args) {
 34 EventQueue.invokeLater(new Runnable() {
 35 public void run() {
 36 try {
 37 FuLiJiSuanQi frame = new FuLiJiSuanQi();
 38 frame.setVisible(true);
 39 } catch (Exception e) {
 40 e.printStackTrace();
 41 }
 42 }
 43 });
 44 }
 45 
 46 /**
 47 * Create the frame.
 48 */
 49 public FuLiJiSuanQi() {
 50 setTitle("\u590D\u5229\u8BA1\u7B97\u5668");
 51 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 52 setBounds(100, 100, 450, 300);
 53 contentPane = new JPanel();
 54 contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
 55 setContentPane(contentPane);
 56 contentPane.setLayout(null);
 57 
 58 JLabel label = new JLabel("\u5B58\u6B3E\uFF08\u4E07\uFF09:");
 59 label.setFont(new Font("宋体", Font.PLAIN, 16));
 60 label.setBounds(5, 22, 90, 15);
 61 contentPane.add(label);
 62 
 63 textField = new JTextField();
 64 textField.setBounds(105, 20, 130, 21);
 65 contentPane.add(textField);
 66 textField.setColumns(10);
 67 //x=textField.getText();
 68 
 69 label_1 = new JLabel("\u5229\u7387( %):");
 70 label_1.setFont(new Font("宋体", Font.PLAIN, 16));
 71 label_1.setBounds(5, 75, 81, 15);
 72 contentPane.add(label_1);
 73 
 74 textField_1 = new JTextField();
 75 textField_1.setBounds(105, 45, 130, 21);
 76 contentPane.add(textField_1);
 77 textField_1.setColumns(10);
 78 
 79 JLabel label_2 = new JLabel("\u5E74\u9650(\u5E74):");
 80 label_2.setFont(new Font("宋体", Font.PLAIN, 16));
 81 label_2.setBounds(5, 47, 104, 15);
 82 contentPane.add(label_2);
 83 
 84 textField_2 = new JTextField();
 85 textField_2.setBounds(105, 73, 130, 21);
 86 contentPane.add(textField_2);
 87 textField_2.setColumns(10);
 88 
 89 JButton btnNewButton = new JButton("\u5229\u606F");
 90 btnNewButton.addMouseListener(new MouseAdapter() {
 91 @Override
 92 public void mouseClicked(MouseEvent e) {
 93 double capital=Double.parseDouble(textField.getText());
 94 double year=Double.parseDouble(textField_1.getText());
 95 double rate=Double.parseDouble(textField_2.getText());
 96 double sum=capital*Math.pow((1+rate/100),year);
 97 textField_3.setText(Double.toString(sum));
 98 }
 99 });
100 btnNewButton.addActionListener(new ActionListener() {
101 public void actionPerformed(ActionEvent e) {
102 }
103 });
104 btnNewButton.setBounds(5, 120, 69, 23);
105 contentPane.add(btnNewButton);
106 
107 textField_3 = new JTextField();
108 textField_3.setForeground(new Color(127, 255, 212));
109 textField_3.setEnabled(false);
110 textField_3.setBounds(105, 121, 130, 21);
111 contentPane.add(textField_3);
112 textField_3.setColumns(10);
113 }
114 }

 

posted @ 2016-03-13 15:24  19林文凤  阅读(415)  评论(0)    收藏  举报