使用Python代码实现番茄钟功能

import tkinter as tk
from tkinter import ttk
import time
import winsound
class TomatoClock:
    def __init__(self, root):
        self.root = root
        self.root.title("番茄钟")
        self.root.geometry("320x200")
        self.root.overrideredirect(True)
        self.root.wm_attributes("-topmost", 1)
        self.root.update_idletasks()
        sw = self.root.winfo_screenwidth()
        self.root.geometry(f"320x200+{sw-330}+10")
        self.tc = "#000001"
        self.root.wm_attributes("-transparentcolor", self.tc)
        self.root.wm_attributes("-alpha", 0.95)
        self.lg = "#90EE90"
        self.is_running = False
        self.work_time = 25 * 60
        self.remaining = self.work_time
        self.timer_id = None
        self.flash_count = 0
        self.is_flashing = False
        self.setup_ui()
        self.update_display()
    def setup_ui(self):
        self.mf = tk.Frame(self.root, bg=self.tc, highlightthickness=0)
        self.mf.place(relwidth=1, relheight=1)
        self.tl = tk.Label(self.mf, text="25:00", font=("微软雅黑", 42, "bold"), bg=self.tc, fg=self.lg)
        self.tl.pack(pady=5)
        self.bf = tk.Frame(self.mf, bg=self.tc)
        self.bf.pack(pady=15)
        self.te = ttk.Entry(self.bf, width=8)
        self.te.insert(0, "25")
        self.te.grid(row=0, column=0, padx=5)
        self.sb = ttk.Button(self.bf, text="开始", command=self.start_timer, width=8)
        self.sb.grid(row=0, column=1, padx=5)
    def update_display(self):
        m = self.remaining // 60
        s = self.remaining % 60
        self.tl.config(text=f"{m:02d}:{s:02d}")
    def countdown(self):
        if self.is_running and self.remaining > 0:
            if self.remaining == 1 and not self.is_flashing:
                self.is_flashing = True
                self.flash_background()
            self.remaining -= 1
            self.update_display()
            self.timer_id = self.root.after(1000, self.countdown)
        elif self.remaining == 0:
            self.is_running = False
            self.is_flashing = False
            self.alarm()
            self.flash_count = 0
            self.mf.config(bg=self.tc)
            self.tl.config(bg=self.tc)
            self.remaining = self.work_time
            self.update_display()
    def flash_background(self):
        if self.is_flashing and self.flash_count < 20:
            cb = self.mf.cget("bg")
            nb = self.lg if cb == self.tc else self.tc
            self.mf.config(bg=nb)
            self.tl.config(bg=nb)
            self.flash_count += 1
            self.root.after(50, self.flash_background)
    def alarm(self):
        try:
            winsound.Beep(800, 500)
            winsound.Beep(1000, 500)
        except:
            pass
    def start_timer(self):
        if self.timer_id:
            self.root.after_cancel(self.timer_id)
        self.is_flashing = False
        self.flash_count = 0
        self.mf.config(bg=self.tc)
        self.tl.config(bg=self.tc)
        try:
            cm = int(self.te.get())
            if cm <= 0 or cm > 60:
                cm = 25
                self.te.delete(0, tk.END)
                self.te.insert(0, "25")
        except ValueError:
            cm = 25
            self.te.delete(0, tk.END)
            self.te.insert(0, "25")
        self.work_time = cm * 60
        self.remaining = self.work_time
        self.is_running = True
        self.update_display()
        self.countdown()
if __name__ == "__main__":
    r = tk.Tk()
    app = TomatoClock(r)
    r.mainloop()