当我单击按钮bAddStudent时，什么也没发生。也许是因为我有这些标签？我不知道，这看起来还不错。有什么想法吗？对于任何建议或解决方案，我将非常感谢。这是我的代码：
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.ParseException;
import java.util.Vector;
import javax.swing.JButton;
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.table.DefaultTableModel;
import javax.swing.text.MaskFormatter;
public class MainWindow extends JFrame implements ActionListener {
private JPanel students;
private JPanel teachers;
private JPanel lessons;
private JPanel courses;
private JPanel addPanel;
private JTabbedPane tp;
private JTabbedPane tp2;
private Container pane;
private JButton bAddStudent;
private JButton addTeacher;
private JLabel lStudent;
private JLabel lTeacher;
private JLabel lStudentName;
private JTextField tStudentName;
private JTextField tStudentSurname;
private JTextField tStudentPhone;
private JTextField tStudentCourse;
private MaskFormatter FORMAT;
public MainWindow(){
setTitle("School");
setSize(800, 600);
setLocationRelativeTo(null);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setVisible(true);
JPanel students = new JPanel();
JPanel teachers = new JPanel();
JPanel lessons = new JPanel();
JPanel courses = new JPanel();
JPanel addPanel = new JPanel(new BorderLayout());
JPanel translations = new JPanel();
JPanel addStudent = new JPanel(null);
JPanel addTeacher = new JPanel(null);
JPanel addTranslation = new JPanel(null);
tp=new JTabbedPane();
tp2 = new JTabbedPane();
Container pane = this.getContentPane();
pane.add(tp);
tp.addTab("Uczniowie",students);
tp.addTab("Nauczyciele",teachers);
tp.addTab("Harmonogram zajec",lessons);
tp.addTab("Kursy",courses);
tp.addTab("Tlumaczenia", translations);
tp.addTab("Panel administratora", addPanel);
tp2.add("Nowy uczen",addStudent);
tp2.add("Nowy nauczyciel",addTeacher);
tp2.add("Nowe zlecenia",addTranslation);
addPanel.add(tp2,BorderLayout.CENTER);
////******************DODAWANIE UCZNIA***************************/////////
JLabel lNotes = new JLabel("DODATKOWE UWAGI");
lNotes.setBounds(490, 75, 200, 40);
addStudent.add(lNotes);
JLabel lInfo = new JLabel("PODSTAWOWE INFORMACJE");
lInfo.setBounds(75, 75, 200, 40);
addStudent.add(lInfo);
JTextArea DATABASE_FIELD = new JTextArea(3, 3);
JScrollPane scrollPane = new JScrollPane(DATABASE_FIELD);
scrollPane.setBounds(400, 125, 300, 175);
addStudent.add(scrollPane);
DATABASE_FIELD.setEditable(true);
JLabel lStudentName = new JLabel("Imie : ");
lStudentName.setBounds(50, 125, 100, 30);
addStudent.add(lStudentName);
JTextField tStudentName = new JTextField();
tStudentName.setBounds(170, 125, 100, 30);
addStudent.add(tStudentName);
JLabel lStudentSurname = new JLabel("Nazwisko : ");
lStudentSurname.setBounds(50, 175, 100, 30);
addStudent.add(lStudentSurname);
JTextField tStudentSurname = new JTextField();
tStudentSurname.setBounds(170, 175, 100, 30);
addStudent.add(tStudentSurname);
JLabel lStudentPhone = new JLabel("Telefon : ");
lStudentPhone.setBounds(50, 225, 100, 30);
addStudent.add(lStudentPhone);
JTextField tStudentPhone = new JTextField();
tStudentPhone.setBounds(170, 225, 100, 30);
addStudent.add(tStudentPhone);
JLabel lStudentCourse = new JLabel("Kurs : ");
lStudentCourse.setBounds(50, 275, 100, 30);
addStudent.add(lStudentCourse);
JTextField tStudentCourse = new JTextField();
tStudentCourse.setBounds(170, 275, 100, 30);
addStudent.add(tStudentCourse);
JButton bAddStudent = new JButton("Dodaj ucznia");
bAddStudent.setBounds(60, 325, 200, 40);
bAddStudent.addActionListener(this);
addStudent.add(bAddStudent);
/////************************DODAWANIE NAUCZYCIELA****************//////////
JLabel lNotest = new JLabel("DODATKOWE UWAGI");
lNotest.setBounds(490, 75, 200, 40);
addTeacher.add(lNotest);
JLabel lInfot = new JLabel("PODSTAWOWE INFORMACJE");
lInfot.setBounds(75, 25, 200, 40);
addTeacher.add(lInfot);
JTextArea DATABASE_FIELDt = new JTextArea(3, 3);
JScrollPane scrollPanet = new JScrollPane(DATABASE_FIELDt);
scrollPanet.setBounds(400, 125, 300, 175);
addTeacher.add(scrollPanet);
DATABASE_FIELDt.setEditable(true);
JLabel lTeacherName = new JLabel("Imie : ");
lTeacherName.setBounds(50, 75, 100, 30);
addTeacher.add(lTeacherName);
JTextField tTeacherName = new JTextField();
tTeacherName.setBounds(170, 75, 100, 30);
addTeacher.add(tTeacherName);
JLabel lTeacherSurname = new JLabel("Nazwisko : ");
lTeacherSurname.setBounds(50, 125, 100, 30);
addTeacher.add(lTeacherSurname);
JTextField tlTeacherSurname = new JTextField();
tlTeacherSurname.setBounds(170, 125, 100, 30);
addTeacher.add(tlTeacherSurname);
JLabel lTeacherPhone = new JLabel("Telefon : ");
lTeacherPhone.setBounds(50, 175, 100, 30);
addTeacher.add(lTeacherPhone);
JTextField tTeacherPhone = new JTextField();
tTeacherPhone.setBounds(170, 175, 100, 30);
addTeacher.add(tTeacherPhone);
JLabel lTeacherCourse = new JLabel("Kurs : ");
lTeacherCourse.setBounds(50, 225, 100, 30);
addTeacher.add(lTeacherCourse);
JTextField tTeacherCourse = new JTextField();
tTeacherCourse.setBounds(170, 225, 100, 30);
addTeacher.add(tTeacherCourse);
JLabel lTeacherMail = new JLabel("Email : ");
lTeacherMail.setBounds(50, 275, 100, 30);
addTeacher.add(lTeacherMail);
JTextField tTeacherMail = new JTextField();
tTeacherMail.setBounds(170, 275, 100, 30);
addTeacher.add(tTeacherMail);
JButton bAddTeacher = new JButton("Dodaj nauczyciela");
bAddTeacher.setBounds(60, 400, 200, 40);
bAddTeacher.addActionListener(this);
addTeacher.add(bAddTeacher);
///*************************DODAWANIE ZLECENIA **********************//////
JLabel lNotesZ = new JLabel("DODATKOWE UWAGI");
lNotesZ.setBounds(490, 75, 200, 40);
addTranslation.add(lNotesZ);
JLabel lInfoZ = new JLabel("PODSTAWOWE INFORMACJE");
lInfoZ.setBounds(75, 75, 200, 40);
addTranslation.add(lInfoZ);
JTextArea DATABASE_FIELDZ = new JTextArea(3, 3);
JScrollPane scrollPaneZ = new JScrollPane(DATABASE_FIELDZ);
scrollPaneZ.setBounds(400, 125, 300, 175);
addTranslation.add(scrollPaneZ);
DATABASE_FIELDZ.setEditable(true);
JLabel lClientName = new JLabel("Imie : ");
lClientName.setBounds(50, 125, 100, 30);
addTranslation.add(lClientName);
JTextField tClientName = new JTextField();
tClientName.setBounds(170, 125, 100, 30);
addTranslation.add(tClientName);
JLabel lClientSurname = new JLabel("Nazwisko : ");
lClientSurname.setBounds(50, 175, 100, 30);
addTranslation.add(lClientSurname);
JTextField tClientSurname = new JTextField();
tClientSurname.setBounds(170, 175, 100, 30);
addTranslation.add(tClientSurname);
JLabel lClientPhone = new JLabel("Telefon : ");
lClientPhone.setBounds(50, 175, 100, 30);
addTeacher.add(lClientPhone);
JTextField tClientPhone = new JTextField();
tClientPhone.setBounds(170, 175, 100, 30);
addTeacher.add(tClientPhone);
try {
FORMAT = new MaskFormatter(" ####-##-##");
FORMAT.setPlaceholderCharacter('_');
} catch (ParseException e) {
// TODO Auto-generated catch block
JOptionPane.showMessageDialog(null,
"Niepoprawny format daty (rrrr-mm-dd)");
}
JLabel lAddDate = new JLabel("Data zlecenia : ");
lAddDate.setBounds(50, 225, 100, 30);
addTranslation.add(lAddDate);
JFormattedTextField tAddDate = new JFormattedTextField(FORMAT);
tAddDate.setBounds(170, 225, 100, 30);
addTranslation.add(tAddDate);
JButton bAddStudentZ = new JButton("Dodaj zlecenie");
bAddStudentZ.setBounds(60, 325, 200, 40);
bAddStudentZ.addActionListener(this);
addTranslation.add(bAddStudentZ);
Vector<String> columnNames = new Vector<String>();
columnNames.add("ID");
columnNames.add("Imie");
columnNames.add("Nazwisko");
columnNames.add("Telefon");
columnNames.add("Kurs");
Vector<String> studentVector = new Vector<String>();
DefaultTableModel model = new DefaultTableModel(studentVector, columnNames);
JTable table = new JTable(model);
JScrollPane tableContainer = new JScrollPane(table);
table.setPreferredScrollableViewportSize(new Dimension(600, 500));
table.setFillsViewportHeight(true);
table.setBounds(100, 50, 600, 200);
table.setVisible(true);
students.add(tableContainer, BorderLayout.CENTER);
}
public static void main(String[] args) {
// TODO Auto-generated method stub
MainWindow window = new MainWindow();
window.setVisible(true);
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
Object event = e.getSource();
if (event == bAddStudent)
{
// Student patient_1 = new Student(tStudentName.getText(),
// tStudentSurname.getText(), tStudentPhone.getText(),
// tStudentCourse.getText(), "");
tStudentName.setText("");
tStudentSurname.setText("");
tStudentPhone.setText("");
tStudentCourse.setText("");
// DatabaseManagement.getInstance().addStudent(patient_1);
}
}
}
最佳答案
您是shadowing变量bAddStudent。更换
JButton bAddStudent = new JButton("Dodaj ucznia");
与
bAddStudent = new JButton("Dodaj ucznia");
当然，
ActionListener中使用的所有其他组件也是如此