【Python基礎】1.4.5 Turtle執行個體——用Python實現時鐘顯示__Python

語言：Python
IDE：Python.IDE

編寫時鐘程式，要求根據時間動態更新

代碼思路
需求：5個Turtle對象， 1個繪製外錶盤+3個類比表上針+1個輸出文字
Step1：建立Turtle對象並初始化
Step2：靜態錶盤繪製
Step3：根據時鐘更新錶針位置與時間資訊
基本庫：Turtle、datetime

程式碼片段

from turtle import *from datetime import *def Skip(step):    penup()    forward(step)    pendown()def mkHand(name, length):    #註冊Turtle形狀，建立錶針Turtle    reset()    Skip(-length*0.1)    begin_poly()    forward(length*1.1)    end_poly()    handForm = get_poly()    #註冊Turtle形狀命令register_shape(name,shape=None)    register_shape(name, handForm)def Init():    global secHand, minHand, hurHand, printer    mode("logo")# 重設Turtle指向北    #建立三個錶針Turtle並初始化    #第二個參數為長度    mkHand("secHand", 125)    mkHand("minHand",  130)    mkHand("hurHand", 90)    secHand = Turtle()    secHand.shape("secHand")    minHand = Turtle()    minHand.shape("minHand")    hurHand = Turtle()    hurHand.shape("hurHand")    for hand in secHand, minHand, hurHand:        hand.shapesize(1, 1, 3)        hand.speed(0)    #建立輸出文字Turtle    printer = Turtle()    printer.hideturtle()    printer.penup()def SetupClock(radius):    #建立表的外框    reset()    pensize(7)    for i in range(60):        Skip(radius)        if i % 5 == 0:            forward(20)            Skip(-radius-20)        else:            dot(5)            Skip(-radius)        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():    #繪製錶針的動態顯示    #目前時間    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)     #介入Tracer函數以控制重新整理速度    tracer(False)      printer.forward(65)    printer.write(Week(t), align="center",                  font=("Courier", 14, "bold"))    printer.back(130)    printer.write(Date(t), align="center",                  font=("Courier", 14, "bold"))    printer.home()    tracer(True)    ontimer(Tick, 100)#100ms後繼續調用tickdef main():    tracer(False)    Init()    SetupClock(160)    tracer(True)    Tick()    mainloop()if __name__ == "__main__":           main()