嗨，我希望能够运行我的主类，并单击“将来值”，然后弹出其他JFrame类FV1。我让它工作了一次，但是随后它停止工作，并且当我单击按钮时，程序冻结了。我不确定该怎么办了，我被困住了。我不确定我一次如何使它工作，也不确定为什么它停止工作。
import java.awt.EventQueue;
import javax.swing.JFrame;
import java.awt.Color;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JTextField;
import javax.swing.JLabel;
import javax.swing.JComboBox;
import javax.swing.DefaultComboBoxModel;
import javax.swing.ImageIcon;
import javax.swing.JToggleButton;
import javax.swing.JFormattedTextField;
import java.awt.BorderLayout;
import java.awt.Font;
import javax.swing.SwingConstants;
import com.jgoodies.forms.factories.DefaultComponentFactory;
import javax.swing.JRadioButton;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.JTextPane;
public class Summative {
private JFrame startFrame;
private JTextField txtMyFirstText;
private JTextField txtClearMe;
private JTextField txtPleaseSelectOne;
private final Action action = new StartFV();
private final Action action_1 = new StartPV();
/**
* Launch the application.
* @wbp.parser.entryPoint
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
Summative window = new Summative();
window.startFrame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the application.
*/
public Summative() {
initialize();
}
private void initialize() {
startFrame = new JFrame();
startFrame.getContentPane().setLayout(null);
startFrame.setBounds(100, 100, 700, 800);
ImageIcon Piggy = new ImageIcon(getClass().getResource("/images/Logo.png"));
String iconPath = "/images/Logo.png";
ImageIcon icon = new ImageIcon(getClass().getResource(iconPath));
JLabel label = new JLabel(icon);
label.setBounds(148, 163, 353, 200);
label.setVerticalAlignment(SwingConstants.TOP);
startFrame.getContentPane().add(label);
JButton btnStart = new JButton("Start");
btnStart.setToolTipText("Start");
btnStart.setAction(action);
btnStart.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
}
});
btnStart.setAction(action);
btnStart.setBounds(267, 607, 132, 36);
startFrame.getContentPane().add(btnStart);
txtPleaseSelectOne = new JTextField();
txtPleaseSelectOne.setFont(new Font("Tahoma", Font.PLAIN, 13));
txtPleaseSelectOne.setText("Select one to solve for");
txtPleaseSelectOne.setBounds(267, 573, 140, 23);
startFrame.getContentPane().add(txtPleaseSelectOne);
txtPleaseSelectOne.setColumns(10);
txtPleaseSelectOne.setEditable(false);
JButton btnExit = new JButton("Exit");
btnExit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
btnExit.setBounds(571, 714, 103, 36);
startFrame.getContentPane().add(btnExit);
JButton btnPresentValue = new JButton("Present Value");
btnPresentValue.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
}
});
btnPresentValue.setAction(action_1);
btnPresentValue.setBounds(267, 654, 132, 36);
startFrame.getContentPane().add(btnPresentValue);
JTextPane txtpnFinancialValuesCalculator = new JTextPane();
txtpnFinancialValuesCalculator.setFont(new Font("Tahoma", Font.PLAIN, 50));
txtpnFinancialValuesCalculator.setText(" Financial Values Calculator");
txtpnFinancialValuesCalculator.setBounds(10, 429, 664, 74);
startFrame.getContentPane().add(txtpnFinancialValuesCalculator);
txtpnFinancialValuesCalculator.setEditable(false);
}
private class StartFV extends AbstractAction {
public StartFV() {
putValue(NAME, "Future Value");
}
public void actionPerformed(ActionEvent e) {
FV1 top = new FV1();
}
}
private class StartPV extends AbstractAction {
public StartPV() {
putValue(NAME, "Present Value");
}
public void actionPerformed(ActionEvent e) {
PV bottom = new PV();
}
}
}
我要调用的JFrame类
import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Scanner;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.JTextField;
import javax.swing.JTextPane;
import javax.swing.border.EmptyBorder;
public class FV1 extends JFrame {
private JPanel contentPane;
private JFrame FV1;
private JTextField txtInvestmentAmount;
private JTextField txtInterestRate;
private JTextField txtNumberOfInterest;
private JTextField textField_1;
private JTextField textField;
private JTextField textField_2;
private JTextPane txtpnFutureValue;
private JTextField textField_3;
private JButton btnCalculate;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
FV1 frame = new FV1();
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
/**
* Create the application.
*/
public FV1() {
initialize();
}
/**
* Initialize the contents of the frame.
*/
private void initialize() {
FV1 = new JFrame();
FV1.setBounds(100, 100, 700, 800);
FV1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
FV1.getContentPane().setLayout(null);
FV1.setLocationRelativeTo(null);
FV1.setResizable(false);
JTabbedPane tabbedPane = new JTabbedPane(JTabbedPane.TOP);
tabbedPane.setBounds(0, 0, 684, 750);
FV1.getContentPane().add(tabbedPane);
Scanner input = new Scanner(System.in);
Double P; //Investment Amount
P = input.nextDouble();
Double R; //Interest Rate
R = input.nextDouble();
R = 1+(R/100);
Double N; //Number of Years
N = input.nextDouble();
JPanel panel_1 = new JPanel();
tabbedPane.addTab("Compound Interest", null, panel_1, null);
panel_1.setLayout(null);
JPanel panel_2 = new JPanel();
tabbedPane.addTab("Annuities", null, panel_2, null);
panel_2.setLayout(null);
JPanel panel = new JPanel();
tabbedPane.addTab("Simple Interest", null, panel, null);
panel.setLayout(null);
txtInvestmentAmount = new JTextField();
txtInvestmentAmount.setFont(new Font("Tahoma", Font.PLAIN, 20));
txtInvestmentAmount.setText("Investment Amount");
txtInvestmentAmount.setBounds(22, 35, 189, 43);
panel.add(txtInvestmentAmount);
txtInvestmentAmount.setColumns(10);
txtInvestmentAmount.setEditable(false);
txtInterestRate = new JTextField();
txtInterestRate.setFont(new Font("Tahoma", Font.PLAIN, 20));
txtInterestRate.setText("Interest Rate %");
txtInterestRate.setBounds(22, 265, 164, 43);
panel.add(txtInterestRate);
txtInterestRate.setColumns(10);
txtInterestRate.setEditable(false);
txtNumberOfInterest = new JTextField();
txtNumberOfInterest.setFont(new Font("Tahoma", Font.PLAIN, 20));
txtNumberOfInterest.setText("Duration in Years");
txtNumberOfInterest.setBounds(23, 446, 176, 43);
panel.add(txtNumberOfInterest);
txtNumberOfInterest.setColumns(10);
txtNumberOfInterest.setEditable(false);
textField_1 = new JTextField();
textField_1.setBounds(32, 89, 142, 20);
panel.add(textField_1);
textField_1.setColumns(10);
textField = new JTextField();
textField.setBounds(32, 319, 142, 20);
panel.add(textField);
textField.setColumns(10);
textField_2 = new JTextField();
textField_2.setBounds(32, 500, 154, 20);
panel.add(textField_2);
textField_2.setColumns(10);
txtpnFutureValue = new JTextPane();
txtpnFutureValue.setFont(new Font("Tahoma", Font.PLAIN, 20));
txtpnFutureValue.setText("Future Value");
txtpnFutureValue.setBounds(397, 549, 124, 31);
panel.add(txtpnFutureValue);
textField_3 = new JTextField();
textField_3.setFont(new Font("Tahoma", Font.PLAIN, 15));
textField_3.setBounds(346, 591, 217, 43);
panel.add(textField_3);
textField_3.setColumns(10);
btnCalculate = new JButton("Calculate!");
btnCalculate.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
}
});
btnCalculate.setBounds(207, 603, 89, 23);
panel.add(btnCalculate);
FV1.setVisible(true);
}
}