Swing 写的日期时间组件

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wing 写的日期时间组件（一）

在网上收集的swing时间组件完善了一下，日期上下按钮可以点击，闰年平年判断，月份是多少天自动更新改变。希望大家继续完善。

MainApp

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importjava.awt.Dimension;
importjava.awt.Toolkit;
importjava.awt.event.WindowAdapter;
importjava.awt.event.WindowEvent;
 
importjavax.swing.JButton;
importjavax.swing.JFrame;
importjavax.swing.JOptionPane;
importjavax.swing.JPanel;
  
 
publicclass MainApp  extendsJFrame {
 
     
     publicstatic int x=0;
     publicstatic int y=0;
    /**
     * @param args
     */
    publicstatic void main(String[] args) {
          
         JFrame jf = newJFrame();
         JPanel tabPanel = newJPanel();
         JButton timeButton = newDataChooser();
         tabPanel.add(timeButton);
         jf.add(tabPanel);
         jf.setBounds(350, 200, 500, 400);
         jf.setVisible(true);
         jf.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
         jf.addWindowListener(newWindowAdapter(){
                           publicvoid windowClosing(WindowEvent e){
                             intn=JOptionPane.showConfirmDialog(null,"确认退出吗?","确认对话框",
                                                      JOptionPane.YES_NO_OPTION );
                             if(n==JOptionPane.YES_OPTION) 
                                {System.exit(0);}
                             return;
                           }});
            
          jf.setEnabled(true);
    }
  
      
}

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