import tkinter as tk from tkinter import messagebox class UltimateTimer: def __init__(self, root): self.root = root self.root.title("终极 Python 计时器") self.root.geometry("400x550") self.root.resizable(False, False) # --- 变量初始化 --- self.total_seconds = 0 self.time_left = 0 self.is_running = False self.mode = "countdown" # 模式: countdown (倒计时) 或 stopwatch (秒表) self.stopwatch_counter = 0 # 秒表计数器 # --- 界面布局 --- self._setup_styles() self._create_widgets() def _setup_styles(self): # 深色主题配色 self.bg_color = "#2b2b2b" self.fg_color = "#ffffff" self.accent_color = "#4CAF50" # 绿色 self.pause_color = "#FF9800" # 橙色 self.reset_color = "#F44336" # 红色 self.progress_bg = "#444444" self.root.configure(bg=self.bg_color) def _create_widgets(self): # 1. 模式切换按钮 self.mode_frame = tk.Frame(self.root, bg=self.bg_color) self.mode_frame.pack(pady=10) self.btn_countdown = tk.Button( self.mode_frame, text="倒计时模式", command=self.set_countdown_mode, bg=self.accent_color, fg="white", bd=0, padx=10, pady=5 ) self.btn_countdown.pack(side=tk.LEFT, padx=5) self.btn_stopwatch = tk.Button( self.mode_frame, text="秒表模式", command=self.set_stopwatch_mode, bg="#555555", fg="white", bd=0, padx=10, pady=5 ) self.btn_stopwatch.pack(side=tk.LEFT, padx=5) # 2. 时间显示标签 (大号字体) self.time_label = tk.Label( self.root, text="00:00:00", font=("Helvetica", 48, "bold"), bg=self.bg_color, fg=self.fg_color ) self.time_label.pack(pady=20) # 3. 进度条 (Canvas 绘制) self.progress_canvas = tk.Canvas( self.root, height=10, bg=self.progress_bg, highlightthickness=0 ) self.progress_canvas.pack(fill=tk.X, padx=20) # 初始进度条填充 self.progress_bar = self.progress_canvas.create_rectangle( 0, 0, 360, 10, fill=self.accent_color, outline="" ) # 4. 输入框 (仅倒计时模式可见) self.input_frame = tk.Frame(self.root, bg=self.bg_color) self.input_frame.pack(pady=10) tk.Label(self.input_frame, text="输入秒数:", bg=self.bg_color, fg=self.fg_color).pack(side=tk.LEFT) self.time_entry = tk.Entry(self.input_frame, width=10, font=("Arial", 14), justify='center') self.time_entry.pack(side=tk.LEFT, padx=5) self.time_entry.insert(0, "60") # 默认60秒 # 5. 控制按钮 self.btn_frame = tk.Frame(self.root, bg=self.bg_color) self.btn_frame.pack(pady=20) self.start_btn = tk.Button( self.btn_frame, text="开始", width=8, height=2, bg=self.accent_color, fg="white", font=("Arial", 10, "bold"), command=self.start_action ) self.start_btn.grid(row=0, column=0, padx=10) self.pause_btn = tk.Button( self.btn_frame, text="暂停", width=8, height=2, bg=self.pause_color, fg="white", font=("Arial", 10, "bold"), command=self.pause_action ) self.pause_btn.grid(row=0, column=1, padx=10) self.reset_btn = tk.Button( self.btn_frame, text="重置", width=8, height=2, bg=self.reset_color, fg="white", font=("Arial", 10, "bold"), command=self.reset_action ) self.reset_btn.grid(row=0, column=2, padx=10) # --- 逻辑功能 --- def set_countdown_mode(self): self.mode = "countdown" self.reset_action() self.btn_countdown.config(bg=self.accent_color, fg="white") self.btn_stopwatch.config(bg="#555555", fg="#aaaaaa") self.input_frame.pack(pady=10) # 显示输入框 self.time_label.config(text="00:00:00") def set_stopwatch_mode(self): self.mode = "stopwatch" self.reset_action() self.btn_stopwatch.config(bg=self.accent_color, fg="white") self.btn_countdown.config(bg="#555555", fg="#aaaaaa") self.input_frame.pack_forget() # 隐藏输入框 self.time_label.config(text="00:00:00") def update_display(self, seconds): if self.mode == "countdown": mins, secs = divmod(seconds, 60) hours, mins = divmod(mins, 60) time_str = f"{hours:02d}:{mins:02d}:{secs:02d}" self.time_label.config(text=time_str) # 更新进度条宽度 if self.total_seconds > 0: progress_ratio = seconds / self.total_seconds new_width = int(360 * progress_ratio) self.progress_canvas.coords(self.progress_bar, 0, 0, new_width, 10) else: # 秒表模式 mins, secs = divmod(seconds, 60) hours, mins = divmod(mins, 60) time_str = f"{hours:02d}:{mins:02d}:{secs:02d}" self.time_label.config(text=time_str) # 秒表模式下进度条仅做装饰或动态效果（这里设为简单的循环动画） # 这里简化处理，保持满格或做呼吸灯效果，暂设为满格 self.progress_canvas.coords(self.progress_bar, 0, 0, 360, 10) def start_action(self): if self.is_running: return if self.mode == "countdown": # 如果是刚开始（或重置后），读取输入框 if self.time_left == 0 and self.total_seconds == 0: try: val = int(self.time_entry.get()) if val <= 0: raise ValueError self.total_seconds = val self.time_left = val except ValueError: messagebox.showerror("错误", "请输入有效的正整数秒数！") return if self.time_left > 0: self.is_running = True self.countdown_tick() else: # 秒表模式 self.is_running = True self.stopwatch_tick() def countdown_tick(self): if self.is_running and self.time_left > 0: self.time_left -= 1 self.update_display(self.time_left) self.root.after(1000, self.countdown_tick) elif self.time_left == 0 and self.is_running: self.is_running = False messagebox.showinfo("时间到", "倒计时结束！") self.root.bell() # 系统蜂鸣音 def stopwatch_tick(self): if self.is_running: self.stopwatch_counter += 1 self.update_display(self.stopwatch_counter) self.root.after(1000, self.stopwatch_tick) def pause_action(self): self.is_running = False def reset_action(self): self.is_running = False if self.mode == "countdown": self.time_left = 0 self.total_seconds = 0 self.update_display(0) # 重置进度条 self.progress_canvas.coords(self.progress_bar, 0, 0, 0, 10) else: self.stopwatch_counter = 0 self.time_label.config(text="00:00:00") if __name__ == "__main__": root = tk.Tk() app = UltimateTimer(root) root.mainloop()