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绘制代码
import turtle
from datetime import *
画笔向前运动一段距离停下
def Skip(step):
turtle.penup()
turtle.forward(step)
turtle.pendown()
def mkHand(name,length):
注册Turtle形状,建立表针Turtle
turtle.reset()
Skip(-length * 0.1)
开始记录多边形的顶点
turtle.begin_poly()
turtle.forward(length * 1.1)
停止记录多边形的顶点
turtle.end_poly()
返回最后记录的多边形
handForm = turtle.get_poly()
turtle.register_shape(name,handForm)
def Init():
global secHand,minHand,hurHand,printer
重置Turtle指向北
turtle.mode("logo")
建立三个表针Turtle并初始化
mkHand("secHand",135)
mkHand("minHand",125)
mkHand("hurHand",90)
secHand = turtle.Turtle()
secHand.shape("secHand")
minHand = turtle.Turtle()
minHand.shape("minHand")
hurHand = turtle.Turtle()
hurHand.shape("hurHand")
for hand in secHand,hurHand:
hand.shapesize(1,1,3)
hand.speed(0)
建立输出文字Turtle
printer = turtle.Turtle()
隐藏画笔的turtle形状
printer.hideturtle()
printer.penup()
def SetupClock(radius):
建立表的外框
turtle.reset()
turtle.pensize(7)
for i in range(60):
Skip(radius)
if i % 5 == 0:
turtle.forward(20)
Skip(-radius - 20)
Skip(radius + 20)
if i == 0:
turtle.write(int(12),align="center",font=("Courier",14,"bold"))
elif i == 30:
Skip(25)
turtle.write(int(i/5),"bold"))
Skip(-25)
elif (i == 25 or i == 35):
Skip(20)
turtle.write(int(i/5),"bold"))
Skip(-20)
else:
turtle.write(int(i/5),"bold"))
Skip(-radius - 20)
else:
turtle.dot(5)
Skip(-radius)
turtle.right(6)
def 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 Date(t):
y = t.year
m = t.month
d = t.day
return "%s %d %d" % (y,m,d)
def Tick():
绘制表针的动态显示
t = datetime.today()
second = t.second + t.microsecond 0.000001
minute = t.minute + second / 60.0
hour = t.hour + minute / 60.0
secHand.setheading(6 second)
minHand.setheading(6 minute)
hurHand.setheading(30 hour)
turtle.tracer(False)
printer.forward(65)
printer.write(Week(t),"bold"))
printer.back(130)
printer.write(Date(t),"bold"))
printer.home()
turtle.tracer(True)
100ms后继续调用tick
turtle.ontimer(Tick,100)
def main():
打开/关闭龟动画,并为更新图纸设置延迟
turtle.tracer(False)
Init()
SetupClock(160)
turtle.tracer(True)
Tick()
turtle.mainloop()
if name == "main":
main()
运行结果

 (编辑:李大同)
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