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时钟.py
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时钟.py
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import turtle
import datetime
def skip(distance):
"""
移动一段距离，不留下痕迹
:param distance:像素
:return:
"""
turtle.penup()
turtle.forward(distance)
turtle.pendown()
def draw_clock():
"""画表盘"""
# 让乌龟的朝向默认向上
turtle.reset()
turtle.mode('logo')
for i in range(60):
skip(160)
# 根据5格一个时钟
if i % 5 == 0:
# 画时钟
turtle.pensize(7)
turtle.forward(20)
if i == 0:
turtle.write(12, align='center', font=('Courier',14, 'bold'))
elif i == 25 or i == 30 or i == 35:
skip(25)
turtle.write(int(i / 5), align='center', font=('Courier', 14, 'bold'))
skip(-25)
else:
turtle.write(int(i / 5), align='center', font=('Courier',14, 'bold'))
skip(-20)
else:
turtle.pensize(1)
turtle.dot()
skip(-160)
turtle.right(6)
def get_week(t):
week = ["星期一", "星期二", "星期三", "星期四", "星期五", "星期六", "星期日"]
return week[t.weekday()]
def create_hand(length, name):
skip(-length * 0.1)
turtle.penup()
turtle.begin_poly()
turtle.forward(length * 1.1)
turtle.end_poly()
turtle.home()
# 注册
turtle.register_shape(name, turtle.get_poly())
hand = turtle.Turtle()
hand.shape(name)
hand.shapesize(1, 1, 3)
return hand
def run():
t = datetime.datetime.today()
bob.penup()
bob._tracer(False)
bob.forward(65)
bob.write(get_week(t), align='center', font=('Courier',
14, 'bold'))
bob.back(130)
bob.write(t.strftime('%Y-%m-%d'), align='center', font=('Courier', 14, 'bold'))
bob.home()
bob._tracer(True)
# 指针移动
second = t.second + t.microsecond * 0.000001
minute = t.minute + second / 60
hour = t.hour + minute / 60
# 设置转向
second_hand.setheading(6 * second)
minute_hand.setheading(6 * minute)
hour_hand.setheading(30 * hour)
turtle.ontimer(run, 1000)
if __name__ == '__main__':
# 画时针
turtle.mode('logo')
turtle.tracer(False)
draw_clock()
turtle.tracer(True)
global second_hand, minute_hand, hour_hand, bob
second_hand = create_hand(135, "second_hand")
minute_hand = create_hand(125, "minute_hand")
hour_hand = create_hand(90, "hour_hand")
bob = turtle.Turtle()
bob.hideturtle()
# 隐藏小乌龟
run()
turtle.mainloop()