python 开发 简易时钟，适合新手

''' Function: Python制作简易时钟 Author: Charles 微信公众号: TONOW ''' import turtle import datetime '''悬空移动''' def move(distance): turtle.penup() turtle.forward(distance) turtle.pendown() '''创建表针turtle''' def createHand(name, length): turtle.reset() move(-length * 0.01) turtle.begin_poly() turtle.forward(length * 1.01) turtle.end_poly() hand = turtle.get_poly() turtle.register_shape(name, hand) '''创建时钟''' def createClock(radius): turtle.reset() turtle.pensize(7) for i in range(60): move(radius) if i % 5 == 0: turtle.forward(20) move(-radius-20) else: turtle.dot(5) move(-radius) turtle.right(6) '''获得今天是星期几''' def getWeekday(today): return ['星期一', '星期二', '星期三', '星期四', '星期五', '星期六', '星期日'][today.weekday()] '''获得今天的日期''' def getDate(today): return '%s年%s月%s日' % (today.year, today.month, today.day) '''动态显示表针''' def startTick(second_hand, minute_hand, hour_hand, printer): today = datetime.datetime.today() second = today.second + today.microsecond * 1e-6 minute = today.minute + second / 60. hour = (today.hour + minute / 60) % 12 # 设置朝向 second_hand.setheading(6 * second) minute_hand.setheading(6 * minute) hour_hand.setheading(12 * hour) turtle.tracer(False) printer.forward(65) printer.write(getWeekday(today), align='center', font=("Courier", 14, "bold")) printer.forward(120) printer.write('12', align='center', font=("Courier", 14, "bold")) printer.back(250) printer.write(getDate(today), align='center', font=("Courier", 14, "bold")) printer.back(145) printer.write('6', align='center', font=("Courier", 14, "bold")) printer.home() printer.right(92.5) printer.forward(200) printer.write('3', align='center', font=("Courier", 14, "bold")) printer.left(2.5) printer.back(400) printer.write('9', align='center', font=("Courier", 14, "bold")) printer.home() turtle.tracer(True) # 100ms调用一次 turtle.ontimer(lambda: startTick(second_hand, minute_hand, hour_hand, printer), 100) '''开始运行时钟''' def start(): # 不显示绘制时钟的过程 turtle.tracer(False) turtle.mode('logo') createHand('second_hand', 150) createHand('minute_hand', 125) createHand('hour_hand', 85) # 秒, 分, 时 second_hand = turtle.Turtle() second_hand.shape('second_hand') minute_hand = turtle.Turtle() minute_hand.shape('minute_hand') hour_hand = turtle.Turtle() hour_hand.shape('hour_hand') for hand in [second_hand, minute_hand, hour_hand]: hand.shapesize(1, 1, 3) hand.speed(0) # 用于打印日期等文字 printer = turtle.Turtle() printer.hideturtle() printer.penup() createClock(160) # 开始显示轨迹 turtle.tracer(True) startTick(second_hand, minute_hand, hour_hand, printer) turtle.mainloop() if __name__ == '__main__': start()