这篇“C#如何实现动态数字时钟和日历”文章的知识点大部分人都不太理解，所以小编给大家总结了以下内容，内容详细，步骤清晰，具有一定的借鉴价值，希望大家阅读完这篇文章能有所收获，下面我们一起来看看这篇“C#如何实现动态数字时钟和日历”文章吧。
实现如下图所示的简易时钟和日历，要求显示公历日期、时间、星期、农历日期。
首先新建一个ChineseCanlendar类用于实现和农历相关的操作：
【ChineseCanlendar.cs】
using System;using System.Linq;using System.Globalization;namespace Test2_1{ static public class ChineseCanlendar { private static ChineseLunisolarCalendar ChineseCalendar = new ChineseLunisolarCalendar(); private static string[] tg = { "甲", "乙", "丙", "丁", "戊", "己", "庚", "辛", "壬", "癸" }; private static string[] dz = { "子", "丑", "寅", "卯", "辰", "巳", "午", "未", "申", "酉", "戌", "亥" }; private static string[] sx = { "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊", "猴", "鸡", "狗", "猪" }; public static string GetLunisolarYear(int year) { if (year > 3) { int tgIndex = (year - 4) % 10; int dzIndex = (year - 4) % 12; return string.Concat(tg[tgIndex], dz[dzIndex], "[", sx[dzIndex], "]"); } throw new ArgumentOutOfRangeException("年份无效!"); } private static string[] months = { "正", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二(腊)" }; private static string[] days1 = { "初", "十", "廿", "三" }; private static string[] days = { "一", "二", "三", "四", "五", "六", "七", "八", "九", "十" }; public static string GetLunisolarMonth(int month) { if (month < 13 && month > 0) { return months[month - 1]; } throw new ArgumentOutOfRangeException("月份无效!"); } public static string GetLunisolarDay(int day) { if (day > 0 && day < 32) { if (day != 20 && day != 30) { return string.Concat(days1[(day - 1) / 10], days[(day - 1) % 10]); } else { return string.Concat(days[(day - 1) / 10], days1[1]); } } throw new ArgumentOutOfRangeException("无效日期!"); } public static string GetChineseDateTime(DateTime datetime) { int year = ChineseCalendar.GetYear(datetime); int month = ChineseCalendar.GetMonth(datetime); int day = ChineseCalendar.GetDayOfMonth(datetime); int leapMonth = ChineseCalendar.GetLeapMonth(year); bool isleap = false; if (leapMonth > 0) { if (leapMonth == month) { isleap = true; month--; } else if (month > leapMonth) { month--; } } return string.Concat(GetLunisolarYear(year), "年", isleap ? "闰" : string.Empty, GetLunisolarMonth(month), "月", GetLunisolarDay(day)); } }}【窗体设计】
从上到下设置三个标签，并添加背景颜色，为了使效果更佳，最好将窗口全部填满：
【MainForm.cs】
using System;using System.Linq;using System.Windows.Forms;namespace Test2_1{ public partial class MainForm : Form { public MainForm() { InitializeComponent(); timer1.Start(); } void Timer1Tick(object sender, EventArgs e) { label1.Text = DateTime.Now.ToString(); switch(DateTime.Now.DayOfWeek.ToString()) { case "Monday": label2.Text = "星期一"; break; case "Tuesday": label2.Text = "星期二"; break; case "Wednesday": label2.Text = "星期三"; break; case "Thursday": label2.Text = "星期四"; break; case "Friday": label2.Text = "星期五"; break; case "Saturday": label2.Text = "星期六"; break; case "Sunday": label2.Text = "星期日"; break; } string GCDT = ChineseCanlendar.GetChineseDateTime(DateTime.Now); label3.Text = GCDT; } }}【Program.cs】
using System;using System.Windows.Forms;namespace Test2_1{ internal sealed class Program { [STAThread] private static void Main(string[] args) { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new MainForm()); } }}【运行结果】
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