Python实战：拥有设闹钟功能的可视化动态闹钟的实现

from turtle import *
from datetime import datetime
import time
import sys
from tkinter import messagebox, Tk


def drawGap():
    penup()
    fd(5)


def drawLine(draw):
    drawGap()
    pendown() if draw else penup()
    fd(40)
    drawGap()
    right(90)


def drawDigit(d):
    speed(0)
    drawLine(True) if d in [2, 3, 4, 5, 6, 8, 9] else drawLine(False)
    drawLine(True) if d in [0, 1, 3, 4, 5, 6, 7, 8, 9] else drawLine(False)
    drawLine(True) if d in [0, 2, 3, 5, 6, 8, 9] else drawLine(False)
    drawLine(True) if d in [0, 2, 6, 8] else drawLine(False)
    left(90)
    drawLine(True) if d in [0, 4, 5, 6, 8, 9] else drawLine(False)
    drawLine(True) if d in [0, 2, 3, 5, 6, 7, 8, 9] else drawLine(False)
    drawLine(True) if d in [0, 1, 2, 3, 4, 7, 8, 9] else drawLine(False)
    left(180)
    penup()
    fd(20)


def drawDate(date):
    pencolor('Red')
    for i in date:
        if i == "-":
            write('时', font=('Arial', 24, 'normal'))
            pencolor('Green')
            fd(40)
        elif i == '=':
            write('分', font=('Arial', 24, 'normal'))
            pencolor('Blue')
            fd(40)
        elif i == '+':
            write('秒', font=('Arial', 24, 'normal'))
        else:
            drawDigit(eval(i))


def main(alarm_time=None):
    setup(800, 350, 200, 200)
    hideturtle()
    pensize(8)
    tracer(False)  # 设置快速模式

    root = Tk()
    root.withdraw()  # 隐藏主窗口

    while True:
        clear()  # 清除之前绘制的内容
        penup()
        goto(-300, 0)
        current_time = datetime.now().strftime('%H-%M=%S+')
        drawDate(current_time)
        update()  # 手动刷新屏幕

        if alarm_time and current_time.startswith(alarm_time):
            messagebox.showinfo("闹钟提醒", "时间到了！")
            alarm_time = None  # 清除闹钟时间，防止重复提示

        time.sleep(1)


if __name__ == "__main__":
    alarm_time = None
    if len(sys.argv) > 1:
        alarm_time = sys.argv[1]  # 获取命令行输入的闹钟时间，格式为 HH-MM
    main(alarm_time)
    done()