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折腾笔记[43]-基于csharp的时钟

news 2026/5/11 20:07:25

摘要

基于csharp的时钟.

代码

工程定义
clock.csproj

<Project Sdk="Microsoft.NET.Sdk"><PropertyGroup><OutputType>WinExe</OutputType><TargetFramework>net8.0-windows</TargetFramework><RootNamespace>exp76_eink_display</RootNamespace><Nullable>enable</Nullable><UseWindowsForms>true</UseWindowsForms><ImplicitUsings>enable</ImplicitUsings><!-- 应用程序图标 --><ApplicationIcon>clock.ico</ApplicationIcon><!-- 版本信息 --><Version>2026.02.15.1120</Version><FileVersion>2026.02.15.1120</FileVersion><AssemblyVersion>2026.02.15.1120</AssemblyVersion><!-- 作者信息 --><Authors>qsbye</Authors><Company>ByeIO</Company><!-- 单文件发布配置 --><PublishSingleFile>true</PublishSingleFile><SelfContained>true</SelfContained><RuntimeIdentifier>win-x64</RuntimeIdentifier><PublishReadyToRun>true</PublishReadyToRun></PropertyGroup></Project>

主程序
Program.cs

namespace exp76_eink_display;static class Program
{/// <summary>///  程序主入口/// </summary>[STAThread]static void Main(){ApplicationConfiguration.Initialize();Application.Run(new Clock());}    
}

Clock.cs

// 文件: Clock.cs
// 功能: 墨水屏时钟// 标准库
using System;
using System.Drawing;
using System.IO;
using System.Reflection;
using System.Diagnostics;
using System.Windows.Forms;namespace exp76_eink_display
{public partial class Clock : Form{#region 常量定义// 字体比例系数private const float HOUR_FONT_RATIO = 0.25f;    // 小时字体占屏幕高度比例private const float MINUTE_FONT_RATIO = 0.25f;  // 分钟字体占屏幕高度比例#endregion 常量定义#region UI控件// 顶部导航栏private Panel topPanel;private Button btnSettings;private Panel settingsPanel;private CheckBox chkAutoStart;private Button btnCloseSettings;private bool isSettingsOpen = false;// 时间显示标签private Label labelHour;    // 小时标签private Label labelMinute;  // 分钟标签// 右键菜单private ContextMenuStrip contextMenu;#endregion UI控件#region 开机自启相关private string startupFolderPath;private string shortcutPath;private string appPath;#endregion 开机自启相关#region 构造方法public Clock(){InitializeComponent();InitializeCustomComponents();InitializeAutoStart();InitializeContextMenu();// 窗体加载时居中显示时间this.Load += Clock_Load;// 窗体大小改变时重新居中this.Resize += Clock_Resize;// 定时器触发更新时间this.timer1.Tick += Timer1_Tick;// 双击退出全屏// this.DoubleClick += Clock_DoubleClick;// 按键退出（ESC键）this.KeyPreview = true;this.KeyDown += Clock_KeyDown;}#endregion 构造方法#region 初始化方法/// <summary>/// 初始化自定义UI组件/// </summary>private void InitializeCustomComponents(){// 移除原有labelTime（由设计器添加）if (this.labelTime != null){this.Controls.Remove(this.labelTime);this.labelTime.Dispose();this.labelTime = null;}// 创建小时标签（上半部分）labelHour = new Label{Name = "labelHour",AutoSize = true,TextAlign = ContentAlignment.MiddleCenter,ForeColor = Color.Black,BackColor = Color.Transparent};// 创建分钟标签（下半部分，斜体）labelMinute = new Label{Name = "labelMinute",AutoSize = true,TextAlign = ContentAlignment.MiddleCenter,ForeColor = Color.Black,BackColor = Color.Transparent};// 添加标签到窗体this.Controls.Add(labelHour);this.Controls.Add(labelMinute);labelHour.BringToFront();labelMinute.BringToFront();// 创建顶部导航栏topPanel = new Panel{Name = "topPanel",Height = 40,Dock = DockStyle.Top,BackColor = Color.FromArgb(240, 240, 240),Visible = false // 默认隐藏，非全屏时显示};// 创建设置按钮btnSettings = new Button{Name = "btnSettings",Text = "⚙ 设置",Height = 30,Top = 5,Left = 10,FlatStyle = FlatStyle.Flat,BackColor = Color.White,Cursor = Cursors.Hand,// 启用自动大小AutoSize = true,           // 或 GrowOnlyAutoSizeMode = AutoSizeMode.GrowAndShrink  };btnSettings.FlatAppearance.BorderColor = Color.LightGray;btnSettings.Click += BtnSettings_Click;topPanel.Controls.Add(btnSettings);this.Controls.Add(topPanel);// 创建设置面板（下拉菜单样式）settingsPanel = new Panel{Name = "settingsPanel",Height = 100,Top = 45,Left = 10,BackColor = Color.White,BorderStyle = BorderStyle.FixedSingle,Visible = false,// 启用自动大小AutoSize = true,           // 或 GrowOnlyAutoSizeMode = AutoSizeMode.GrowAndShrink  };// 开机自启勾选框chkAutoStart = new CheckBox{Name = "chkAutoStart",Text = "开机自启",AutoSize = true,Top = 15,Left = 15,Checked = false};chkAutoStart.CheckedChanged += ChkAutoStart_CheckedChanged;// 关闭设置按钮btnCloseSettings = new Button{Name = "btnCloseSettings",Text = "关闭",Height = 25,Top = 55,Left = 120,FlatStyle = FlatStyle.Flat,// 启用自动大小AutoSize = true,           // 或 GrowOnlyAutoSizeMode = AutoSizeMode.GrowAndShrink  };btnCloseSettings.Click += (s, e) => { settingsPanel.Visible = false; isSettingsOpen = false; };settingsPanel.Controls.Add(chkAutoStart);settingsPanel.Controls.Add(btnCloseSettings);this.Controls.Add(settingsPanel);settingsPanel.BringToFront();}/// <summary>/// 初始化开机自启功能/// </summary>private void InitializeAutoStart(){startupFolderPath = Environment.GetFolderPath(Environment.SpecialFolder.Startup);// 使用 Process 获取实际的可执行文件路径，而不是 DLL 路径appPath = Process.GetCurrentProcess().MainModule.FileName;string appName = Path.GetFileNameWithoutExtension(appPath);shortcutPath = Path.Combine(startupFolderPath, appName + ".lnk");chkAutoStart.Checked = File.Exists(shortcutPath);}/// <summary>/// 初始化右键菜单/// </summary>private void InitializeContextMenu(){// 创建右键菜单contextMenu = new ContextMenuStrip();// 添加"退出全屏"菜单项ToolStripMenuItem menuExitFullScreen = new ToolStripMenuItem{Name = "menuExitFullScreen",Text = "退出全屏",// 初始状态下非全屏，禁用该选项Enabled = false  };menuExitFullScreen.Click += MenuExitFullScreen_Click;// 添加"进入全屏"菜单项ToolStripMenuItem menuEnterFullScreen = new ToolStripMenuItem{Name = "menuEnterFullScreen",Text = "进入全屏",// 初始状态下非全屏，禁用该选项Enabled = false  };menuEnterFullScreen.Click += MenuEnterFullScreen_Click;// 添加分隔线ToolStripSeparator separator = new ToolStripSeparator();// 添加"退出程序"菜单项ToolStripMenuItem menuExit = new ToolStripMenuItem{Name = "menuExit",Text = "退出程序"};menuExit.Click += (s, e) => this.Close();// 将菜单项添加到右键菜单contextMenu.Items.Add(menuExitFullScreen);contextMenu.Items.Add(menuEnterFullScreen);contextMenu.Items.Add(separator);contextMenu.Items.Add(menuExit);// 将右键菜单关联到窗体和标签控件this.ContextMenuStrip = contextMenu;labelHour.ContextMenuStrip = contextMenu;labelMinute.ContextMenuStrip = contextMenu;}#endregion 初始化方法#region 事件处理方法/// <summary>/// 设置按钮点击事件/// </summary>private void BtnSettings_Click(object sender, EventArgs e){isSettingsOpen = !isSettingsOpen;settingsPanel.Visible = isSettingsOpen;}/// <summary>/// 开机自启选项变更事件/// </summary>private void ChkAutoStart_CheckedChanged(object sender, EventArgs e){try{if (chkAutoStart.Checked){CreateStartupShortcut();// MessageBox.Show("已添加到开机自启", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);}else{RemoveStartupShortcut();// MessageBox.Show("已取消开机自启", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);}}catch (Exception ex){MessageBox.Show($"操作失败: {ex.Message}", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);chkAutoStart.CheckedChanged -= ChkAutoStart_CheckedChanged;chkAutoStart.Checked = !chkAutoStart.Checked;chkAutoStart.CheckedChanged += ChkAutoStart_CheckedChanged;}}/// <summary>/// 退出全屏菜单点击事件/// </summary>private void MenuExitFullScreen_Click(object sender, EventArgs e){ExitFullScreen();}/// <summary>/// 进入全屏菜单点击事件/// </summary>private void MenuEnterFullScreen_Click(object sender, EventArgs e){EnterFullScreen();}/// <summary>/// 窗体加载事件/// </summary>private void Clock_Load(object sender, EventArgs e){UpdateTime();AdjustFontSize();CenterLabels();UpdateTopPanelVisibility();UpdateContextMenuState();}/// <summary>/// 窗体大小改变事件/// </summary>private void Clock_Resize(object sender, EventArgs e){AdjustFontSize();CenterLabels();UpdateTopPanelVisibility();UpdateContextMenuState();}/// <summary>/// 定时器触发事件/// </summary>private void Timer1_Tick(object sender, EventArgs e){UpdateTime();if (DateTime.Now.Second == 0){AdjustFontSize();CenterLabels();}}/// <summary>/// 双击窗体事件（切换全屏）/// </summary>private void Clock_DoubleClick(object sender, EventArgs e){ToggleFullScreen();}/// <summary>/// 键盘按下事件/// </summary>private void Clock_KeyDown(object sender, KeyEventArgs e){if (e.KeyCode == Keys.Escape){this.Close();}}#endregion 事件处理方法#region 功能方法/// <summary>/// 创建开机自启快捷方式/// </summary>private void CreateStartupShortcut(){Type shellType = Type.GetTypeFromProgID("WScript.Shell");dynamic shell = Activator.CreateInstance(shellType);dynamic shortcut = shell.CreateShortcut(shortcutPath);shortcut.TargetPath = appPath;shortcut.WorkingDirectory = Path.GetDirectoryName(appPath);shortcut.Description = "E-ink Clock 开机自启";shortcut.Save();System.Runtime.InteropServices.Marshal.FinalReleaseComObject(shortcut);System.Runtime.InteropServices.Marshal.FinalReleaseComObject(shell);}/// <summary>/// 移除开机自启快捷方式/// </summary>private void RemoveStartupShortcut(){if (File.Exists(shortcutPath)){File.Delete(shortcutPath);}}/// <summary>/// 更新顶部导航栏可见性/// </summary>private void UpdateTopPanelVisibility(){bool isFullScreen = this.WindowState == FormWindowState.Maximized && this.FormBorderStyle == FormBorderStyle.None;if (topPanel != null){topPanel.Visible = !isFullScreen;}if (isFullScreen && settingsPanel != null){settingsPanel.Visible = false;isSettingsOpen = false;}}/// <summary>/// 更新右键菜单状态/// </summary>private void UpdateContextMenuState(){if (contextMenu == null) return;bool isFullScreen = this.WindowState == FormWindowState.Maximized && this.FormBorderStyle == FormBorderStyle.None;// 查找"退出全屏"菜单项并更新状态ToolStripMenuItem menuExitFullScreen = contextMenu.Items.Find("menuExitFullScreen", false).FirstOrDefault() as ToolStripMenuItem;if (menuExitFullScreen != null){menuExitFullScreen.Enabled = isFullScreen;// 非全屏时隐藏该选项menuExitFullScreen.Visible = isFullScreen;  }// 查找"进入全屏"菜单项并更新状态ToolStripMenuItem menuEnterFullScreen = contextMenu.Items.Find("menuEnterFullScreen", false).FirstOrDefault() as ToolStripMenuItem;if (menuEnterFullScreen != null){menuEnterFullScreen.Enabled = !isFullScreen;// 全屏时隐藏该选项menuEnterFullScreen.Visible = !isFullScreen;  }}/// <summary>/// 切换全屏状态/// </summary>private void ToggleFullScreen(){if (this.WindowState == FormWindowState.Maximized && this.FormBorderStyle == FormBorderStyle.None){ExitFullScreen();}else{EnterFullScreen();}}/// <summary>/// 进入全屏模式/// </summary>private void EnterFullScreen(){this.WindowState = FormWindowState.Maximized;this.FormBorderStyle = FormBorderStyle.None;UpdateTopPanelVisibility();UpdateContextMenuState();AdjustFontSize();CenterLabels();}/// <summary>/// 退出全屏模式/// </summary>private void ExitFullScreen(){this.WindowState = FormWindowState.Normal;this.FormBorderStyle = FormBorderStyle.Sizable;UpdateTopPanelVisibility();UpdateContextMenuState();AdjustFontSize();CenterLabels();}/// <summary>/// 更新时间显示/// </summary>private void UpdateTime(){DateTime now = DateTime.Now;// 上半部分显示小时labelHour.Text = now.ToString("HH");// 下半部分显示分钟（斜体）labelMinute.Text = now.ToString("mm");}/// <summary>/// 调整字体大小/// </summary>private void AdjustFontSize(){int navHeight = (topPanel != null && topPanel.Visible) ? topPanel.Height : 0;int margin = 20;int availableWidth = this.ClientSize.Width - margin * 2;int availableHeight = this.ClientSize.Height - navHeight - margin * 2;if (availableWidth <= 0 || availableHeight <= 0)return;// 屏幕分为上下两半int halfHeight = availableHeight / 2;// 计算小时字体大小（占上半部分的70%高度）float hourFontSize = halfHeight * HOUR_FONT_RATIO * 2;hourFontSize = Math.Max(Math.Min(hourFontSize, 400f), 40f);// 计算分钟字体大小（占下半部分的60%高度）float minuteFontSize = halfHeight * MINUTE_FONT_RATIO * 2;minuteFontSize = Math.Max(Math.Min(minuteFontSize, 350f), 30f);// 应用字体：小时粗体，分钟粗体+斜体labelHour.Font = new Font("Microsoft YaHei", hourFontSize, FontStyle.Bold);labelMinute.Font = new Font("Microsoft YaHei", minuteFontSize, FontStyle.Bold | FontStyle.Italic);}/// <summary>/// 居中显示标签/// </summary>private void CenterLabels(){int navHeight = (topPanel != null && topPanel.Visible) ? topPanel.Height : 0;int clientHeight = this.ClientSize.Height - navHeight;int halfHeight = clientHeight / 2;// 水平居中labelHour.Left = (this.ClientSize.Width - labelHour.Width) / 2;labelMinute.Left = (this.ClientSize.Width - labelMinute.Width) / 2;// 垂直分布：小时在上半部分居中，分钟在下半部分居中labelHour.Top = navHeight + (halfHeight - labelHour.Height) / 2;labelMinute.Top = navHeight + halfHeight + (halfHeight - labelMinute.Height) / 2;}#endregion 功能方法}
}

Clock.Designer.cs

namespace exp76_eink_display;partial class Clock
{/// <summary>/// 必需的设计器变量。/// </summary>private System.ComponentModel.IContainer components = null;/// <summary>/// 清理所有正在使用的资源。/// </summary>/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>protected override void Dispose(bool disposing){if (disposing && (components != null)){components.Dispose();}base.Dispose(disposing);}#region Windows 窗体设计器生成的代码/// <summary>/// 设计器支持所需的方法 - 请勿使用代码编辑器修改此方法的内容。/// </summary>private void InitializeComponent(){components = new System.ComponentModel.Container();this.labelTime = new System.Windows.Forms.Label();this.timer1 = new System.Windows.Forms.Timer(this.components);// 设置窗体this.AutoScaleMode = AutoScaleMode.Font;this.BackColor = System.Drawing.Color.White;this.FormBorderStyle = FormBorderStyle.None;this.WindowState = FormWindowState.Maximized;this.ClientSize = new Size(800, 450);this.Text = "电子时钟";// 设置时间标签this.labelTime.AutoSize = true;this.labelTime.Font = new System.Drawing.Font("Microsoft YaHei", 120F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point);this.labelTime.ForeColor = System.Drawing.Color.Black;this.labelTime.Location = new System.Drawing.Point(0, 0);this.labelTime.Name = "labelTime";this.labelTime.Size = new System.Drawing.Size(0, 265);this.labelTime.TabIndex = 0;this.labelTime.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;// 添加控件到窗体this.Controls.Add(this.labelTime);// 设置定时器this.timer1.Interval = 1000;this.timer1.Enabled = true;}#endregionprivate System.Windows.Forms.Label labelTime;private System.Windows.Forms.Timer timer1;
}