DatePicker控件是一种常见的用户界面元素，用于选择日期，它通常以日历的形式显示，用户可以从中选择一个或多个日期，在许多编程语言和框架中，都有内置的DatePicker控件，如JavaScript、Java、.NET等，本文将介绍DatePicker控件的用法，包括基本用法、自定义样式、事件处理和跨浏览器兼容性等方面的内容。

1、基本用法

在不同的编程语言和框架中，DatePicker控件的基本用法略有不同，以下是一些常见编程语言和框架中的DatePicker控件的基本用法：

JavaScript（HTML5）：

点击按钮显示日期选择器：
点击这里

Java（Swing）：

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class DatePickerDemo {
    public static void main(String[] args) {
        JFrame frame = new JFrame("DatePicker 示例");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(400, 300);
        frame.setLayout(new FlowLayout());
        JTextField textField = new JTextField(20);
        JButton button = new JButton("选择日期");
        JPanel panel = new JPanel();
        panel.add(textField);
        panel.add(button);
        frame.add(panel);
        button.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JDatePickerImpl datePicker = new JDatePickerImpl(new DateLabelFormatter());
                datePicker.setSelectedDate(new Date());
                int result = JOptionPane.showConfirmDialog(null, datePicker, "选择日期", JOptionPane.OK_CANCEL_OPTION);
                if (result == JOptionPane.OK_OPTION) {
                    textField.setText(datePicker.getJFormattedTextField().getText());
                } else {
                    textField.setText("");
                }
            }
        });
        frame.setVisible(true);
    }
}

.NET（WinForms）：

using System;
using System.Windows.Forms;
using System.Globalization;
using System.ComponentModel;
using System.Drawing;
using System.IO;
using System.Runtime.InteropServices;
using Microsoft.Win32;
using Ionic.Zip;
using System.Text;
using System.Collections;
using System.Diagnostics;
using System.Reflection;
using System.Security;
using System.Security.Permissions;
using System.Resources;
using System.Threading;
using System.Windows.Forms.VisualStyles;
using System.Windows.Forms;
using System.Windows;
using System.Windows.Forms.DataVisualization.Charting; // for chart control in toolbox, if needed...  	// Add references to the following assemblies:  	// Microsoft.VisualBasic  	// System  	// System.Data  	// System.Drawing  	// System.Windows.Forms  	// System.Xml  	// Microsoft.Office.Interop  	// Microsoft.Office  	// Microsoft.Office.Core  	// Microsoft.Office.Tools  	// Microsoft.Office.Tools.Ribbon  	// Microsoft.Office.Tools.Common  	// Microsoft.Office.Interop.Excel  	// Microsoft Office 12 Object Library  	// Microsoft Office 14 Object Library  	// Microsoft Office Common Controls 6.0 (SP6)  	// Microsoft Visual Studio Tools for Office Runtime (x86 and x64)  	// Microsoft Visual Studio Tools for Office (x86 and x64)  	// Microsoft Visual Studio Tools for Office Code Analysis (x86 and x64)  	// Microsoft Visual Studio Tools for Office Testing (x86 and x64)  	// Microsoft Visual Studio Tools for Office Performance Analysis (x86 and x64) 	// Microsoft Visual Studio Tools for Office Debugger (x86 and x64)  	// Microsoft Visual Studio Tools for Office Code Coverage (x86 and x64)  	// Microsoft Visual Studio Tools for Office IntelliTrace (x86 and x64)  	// Microsoft Visual Studio Tools for Office Test Results Compatibility Pack (x86 and x64)  	// Microsoft Visual Studio Tools for Office Unit Testing (x86 and x64)  	// Microsoft Visual Studio Tools for Office Coded UI Test Build Support (x86 and x64)  	// Microsoft Visual Studio Tools for Office Fakes (x86 and x64)  	// Microsoft Visual Studio Tools for Office Test Impact (x86 and x64)  	// Microsoft Visual Studio Tools for Office Architecture and Modeling Tools (x86 and x64) 	// Microsoft Visual Studio Tools for Office SharePoint Development (x86 and x64) 	// Microsoft Visual Studio Tools for Office SharePoint Workflow Foundation (x86 and x64) 	// Microsoft Visual Studio Tools for Office SharePoint Server Search (x86 and x64) 	// Microsoft Visual Studio Tools for Office SharePoint Server Publishing (x86 and x64) 	// Microsoft Visual Studio Tools for Office SharePoint Server Enterprise Site Collection Management (x86 and x64) 	// Microsoft Visual Studio Tools for Office SharePoint Server Enterprise Search (x86 and x64) 	// Microsoft Visual Studio Tools for Office SharePoint Server Standard Site Collection Management (x86 and x64) 	// Microsoft Visual Studio Tools for Office SharePoint Server Standard Search (x86 and x64) 	// Microsoft Visual Studio Tools for Office F Support (x86 and x64)    using System;    using System

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