import tkinter as tk from tkinter import ttk, messagebox import time class TimerApp: def __init__(self, root): self.root = root self.root.title("Tkinter 计时器") self.root.geometry("500x600") self.root.resizable(False, False) # 计时状态 self.running = False self.start_time = 0 self.elapsed_time = 0 self.mode = 'stopwatch' # 'stopwatch' 或 'countdown' self.countdown_seconds = 60 self.laps = [] self.job = None # 创建界面 self.create_widgets() def create_widgets(self): # 模式选择 mode_frame = ttk.LabelFrame(self.root, text="模式选择", padding=10) mode_frame.pack(fill="x", padx=20, pady=10) self.mode_var = tk.StringVar(value="stopwatch") ttk.Radiobutton(mode_frame, text="秒表", variable=self.mode_var, value="stopwatch", command=self.switch_mode).pack(side="left", padx=20) ttk.Radiobutton(mode_frame, text="倒计时", variable=self.mode_var, value="countdown", command=self.switch_mode).pack(side="left", padx=20) # 倒计时输入 self.countdown_frame = ttk.Frame(mode_frame) self.countdown_frame.pack(side="right", padx=20) ttk.Label(self.countdown_frame, text="秒数:").pack(side="left") self.countdown_entry = ttk.Entry(self.countdown_frame, width=5) self.countdown_entry.insert(0, "60") self.countdown_entry.pack(side="left", padx=5) ttk.Button(self.countdown_frame, text="设置", command=self.set_countdown).pack(side="left") # 时间显示 time_frame = ttk.Frame(self.root) time_frame.pack(pady=30) self.time_label = ttk.Label(time_frame, text="00:00:00", font=("Helvetica", 48, "bold")) self.time_label.pack() # 状态标签 self.status_label = ttk.Label(self.root, text="未开始", font=("Helvetica", 14), foreground="gray") self.status_label.pack(pady=10) # 控制按钮 btn_frame = ttk.Frame(self.root) btn_frame.pack(pady=20) ttk.Button(btn_frame, text="开始", command=self.start, width=10).pack(side="left", padx=10) ttk.Button(btn_frame, text="停止", command=self.stop, width=10).pack(side="left", padx=10) ttk.Button(btn_frame, text="重置", command=self.reset, width=10).pack(side="left", padx=10) ttk.Button(btn_frame, text="圈速", command=self.record_lap, width=10).pack(side="left", padx=10) # 圈速记录 lap_frame = ttk.LabelFrame(self.root, text="圈速记录", padding=10) lap_frame.pack(fill="both", expand=True, padx=20, pady=10) self.lap_text = tk.Text(lap_frame, height=8, font=("Consolas", 11)) self.lap_text.pack(fill="both", expand=True) scrollbar = ttk.Scrollbar(lap_frame, command=self.lap_text.yview) scrollbar.pack(side="right", fill="y") self.lap_text.config(yscrollcommand=scrollbar.set) def switch_mode(self): self.stop() self.reset() self.mode = self.mode_var.get() if self.mode == 'countdown': self.countdown_frame.pack_configure(side="right") else: self.countdown_frame.pack_forget() self.update_display() def set_countdown(self): try: self.countdown_seconds = int(self.countdown_entry.get()) if self.countdown_seconds <= 0: raise ValueError self.elapsed_time = self.countdown_seconds * 1000 self.update_display() except ValueError: messagebox.showerror("错误", "请输入有效的正整数秒数") def start(self): if not self.running: if self.mode == 'countdown' and self.elapsed_time <= 0: self.set_countdown() self.running = True self.start_time = time.time() * 1000 - self.elapsed_time self.status_label.config(text="运行中", foreground="green") self.update_timer() def stop(self): if self.running: self.running = False if self.job: self.root.after_cancel(self.job) self.elapsed_time = time.time() * 1000 - self.start_time self.status_label.config(text="已停止", foreground="red") self.update_display() def reset(self): self.stop() self.elapsed_time = 0 self.laps = [] self.lap_text.delete(1.0, tk.END) if self.mode == 'countdown': self.set_countdown() else: self.update_display() self.status_label.config(text="未开始", foreground="gray") def record_lap(self): if self.running and self.mode == 'stopwatch': current = time.time() * 1000 - self.start_time lap_time = current - (self.laps[-1] if self.laps else 0) self.laps.append(current) lap_num = len(self.laps) self.lap_text.insert(tk.END, f"圈 {lap_num}: {self.format_time(lap_time)}\n") self.lap_text.see(tk.END) def update_timer(self): if self.running: now = time.time() * 1000 self.elapsed_time = now - self.start_time if self.mode == 'countdown': remaining = self.countdown_seconds * 1000 - self.elapsed_time if remaining <= 0: self.elapsed_time = 0 self.running = False self.status_label.config(text="时间到!", foreground="red") self.root.bell() messagebox.showinfo("提示", "倒计时结束！") else: self.job = self.root.after(100, self.update_timer) else: self.job = self.root.after(100, self.update_timer) self.update_display() def update_display(self): if self.mode == 'countdown': display_time = max(0, self.countdown_seconds * 1000 - self.elapsed_time) else: display_time = self.elapsed_time self.time_label.config(text=self.format_time(display_time)) def format_time(self, ms): total_seconds = int(ms // 1000) hours = total_seconds // 3600 minutes = (total_seconds % 3600) // 60 seconds = total_seconds % 60 milliseconds = int((ms % 1000) // 10) if hours > 0: return f"{hours:02d}:{minutes:02d}:{seconds:02d}:{milliseconds:02d}" else: return f"{minutes:02d}:{seconds:02d}:{milliseconds:02d}" if __name__ == "__main__": root = tk.Tk() app = TimerApp(root) root.mainloop()