这段摘要描述了日期选择器模式。
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):
<!DOCTYPE html> <html> <head> <script> function showDate() { document.getElementById("datepicker").style.display = "block"; } </script> </head> <body> <p>点击按钮显示日期选择器:</p> <button onclick="showDate()">点击这里</button> <input type="date" id="datepicker" style="display:none"> </body> </html>
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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