Swing日期选择滑块

时间：2024-10-31 00:29:32

1.主程序：

package edu.test.swing;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.EventQueue;

import java.awt.Font;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.text.DateFormatSymbols;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

import java.util.Dictionary;

import java.util.GregorianCalendar;

import java.util.Hashtable;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JSlider;

import javax.swing.UIManager;

import javax.swing.border.EmptyBorder;

import javax.swing.border.EtchedBorder;

import javax.swing.border.TitledBorder;

import javax.swing.event.ChangeEvent;

import javax.swing.event.ChangeListener;

public class DateSilder extends JFrame {

/**

private static final long serialVersionUID = -5326757798867881120L;

private JPanel contentPane;

private JSlider yearSlider;

private JSlider monthSlider;

private JSlider daySlider;

private JLabel dateLabel;

private Calendar calendar = new GregorianCalendar(); //日期类

private ChangeListener cl = new DateListener(); //变化侦听器

private SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy\u5E74MM\u6708dd\u65E5");

/**

* Launch the application.

public static void main(String[] args) {

try {

UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");

} catch (Throwable e) {

e.printStackTrace();

}

EventQueue.invokeLater(new Runnable() {

public void run() {

try {

DateSilder frame = new DateSilder();

frame.setVisible(true);

} catch (Exception e) {

e.printStackTrace();

}

});

}

/**

* Create the frame.

public DateSilder() {

addWindowListener(new WindowAdapter() {

@Override

public void windowActivated(WindowEvent e) {

do_this_windowActivated(e);

}

});

setTitle("Swing日期选定");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setBounds(100, 100, 600, 500);

contentPane = new JPanel();

contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));

setContentPane(contentPane);

contentPane.setLayout(new GridLayout(5, 1, 5, 5));

JPanel panel1 = new JPanel();

panel1.setBorder(new TitledBorder(new EtchedBorder(EtchedBorder.LOWERED, null, null), "Choose the date:", TitledBorder.LEADING, TitledBorder.TOP, null,

new Color(59, 59, 59)));

contentPane.add(panel1);

dateLabel = new JLabel("");

dateLabel.setFont(new Font("微软雅黑", Font.PLAIN, 20));

panel1.add(dateLabel);

JPanel panel2 = new JPanel();

panel2.setBorder(new TitledBorder(new EtchedBorder(EtchedBorder.LOWERED, null, null), "Year", TitledBorder.LEADING, TitledBorder.TOP, null, null));

contentPane.add(panel2);

panel2.setLayout(new BorderLayout(0, 0));

yearSlider = new JSlider();

yearSlider.setSnapToTicks(true);

yearSlider.setPaintTicks(true);

yearSlider.setPaintLabels(true);

yearSlider.setFont(new Font("微软雅黑", Font.PLAIN, 14));

panel2.add(yearSlider);

JPanel panel3 = new JPanel();

panel3.setBorder(new TitledBorder(new EtchedBorder(EtchedBorder.LOWERED, null, null), "month", TitledBorder.LEADING, TitledBorder.TOP, null, null));

contentPane.add(panel3);

panel3.setLayout(new BorderLayout(0, 0));

monthSlider = new JSlider();

monthSlider.setSnapToTicks(true);

monthSlider.setPaintTicks(true);

monthSlider.setPaintLabels(true);

monthSlider.setFont(new Font("微软雅黑", Font.PLAIN, 14));

panel3.add(monthSlider);

JPanel panel4 = new JPanel();

panel4.setBorder(new TitledBorder(new EtchedBorder(EtchedBorder.LOWERED, null, null), "day", TitledBorder.LEADING, TitledBorder.TOP, null, null));

contentPane.add(panel4);

panel4.setLayout(new BorderLayout(0, 0));

daySlider = new JSlider();

daySlider.setSnapToTicks(true);

daySlider.setPaintTicks(true);

daySlider.setPaintLabels(true);

daySlider.setFont(new Font("微软雅黑", Font.PLAIN, 14));

panel4.add(daySlider);

JPanel panel5 = new JPanel();

panel5.setBorder(new TitledBorder(new EtchedBorder(EtchedBorder.LOWERED, null, null), "确定打印", TitledBorder.LEADING, TitledBorder.TOP, null, null));

contentPane.add(panel5);

panel5.setLayout(new BorderLayout(0, 0));

JButton okbutton = new JButton("控制台打印日期");

okbutton.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

System.out.println(dateFormat.format(calendar.getTime()));

}

});

panel5.add(okbutton);

}

protected void do_this_windowActivated(WindowEvent e) {

yearSlider.setMaximum(2020);

yearSlider.setMinimum(2000);

yearSlider.setMajorTickSpacing(5);

yearSlider.setMinorTickSpacing(1);

yearSlider.setValue(calendar.get(Calendar.YEAR));

Dictionary<Integer, Component> yearLabel = new Hashtable<Integer, Component>();

yearLabel.put(2000, new JLabel("2000年"));

yearLabel.put(2005, new JLabel("2005年"));

yearLabel.put(2010, new JLabel("2010年"));

yearLabel.put(2015, new JLabel("2015年"));

yearLabel.put(2020, new JLabel("2020年"));

yearSlider.setLabelTable(yearLabel);

yearSlider.addChangeListener(cl);

monthSlider.setMaximum(12);

monthSlider.setMinimum(1);

monthSlider.setMajorTickSpacing(1);

monthSlider.setValue(calendar.get(Calendar.MONTH) + 1);

String[] months = (new DateFormatSymbols()).getShortMonths();

Dictionary<Integer, Component> monthLabel = new Hashtable<Integer, Component>(12);

for (int i = 0; i < 12; i++) {

monthLabel.put(i + 1, new JLabel(months[i]));

}

monthSlider.setLabelTable(monthLabel);

monthSlider.addChangeListener(cl);

daySlider.setMaximum(calendar.getMaximum(Calendar.DAY_OF_MONTH));

daySlider.setMinimum(1);

daySlider.setMajorTickSpacing(5);

daySlider.setMinorTickSpacing(1);

daySlider.setValue(calendar.get(Calendar.DATE));

daySlider.addChangeListener(cl);

dateLabel.setText(dateFormat.format(new Date())); //获取当前时间

}

2.测试示例：

3.技术要点：

4..打印输出：

5.JSlider 是一个让用户以图形的方式在有界区域内通过滑块来选择值的空间。