java 万年历

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseWheelEvent;
import java.awt.event.MouseWheelListener;
import java.util.Calendar;
import java.util.GregorianCalendar;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class Main extends JFrame implements ActionListener, MouseWheelListener {
    private static final long serialVersionUID = 7499985850889594686L;
    // 所有的组件都添加到此面板上后添加到jframe 中显示
    JPanel parent = null;
    JTextField yearField = null;
    JTextField monthField = null;
    JPanel datePanel = null;
    JPanel south = new JPanel();
    // 每行七个，其6行
    JLabel[] days = new JLabel[6 * 7];
    Font f = new Font("Arial", Font.BOLD, 14);
    Calendar c = new java.util.GregorianCalendar();
    Week week = new Week(c);
    Clock2 clock = new Clock2(this);
    Lunar lunar = new Lunar(c);
    public Main() {
        jsInit();
    }
    private void jsInit() {
        this.setTitle("简易万年历for LGC");
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setLayout(new BorderLayout());
        Container c = this.getContentPane();
        parent = new JPanel();
    &nbs