Python使用tkinter实现小时钟效果

本文实例为大家分享了Python使用tkinter实现小时钟效果的具体代码,供大家参考,具体内容如下

自己又调试了一下,分享一下

# coding:utf-8

from tkinter import *

import math,time

def points():

for i in range(1,13):

x = 200 + 130*math.sin(2*math.pi*i/12)

y = 200 - 130*math.cos(2*math.pi*i/12)

canvas.create_text(x,y,text=i)

def createline(radius,line_width,rad):

global List

global i

List = []

x = 200+radius*math.sin(rad)

y = 200-radius*math.cos(rad)

i=canvas.create_line(200,200,x,y,width=line_width)

List.append(i)

root = Tk()

root.resizable(0,0)

canvas = Canvas(root,width=400,height=500,bd=0,highlightthickness=0)

canvas.pack()

canvas.create_oval(50,50,350,350)

points()

while 1:

tm=time.localtime()

t=time.asctime(tm)

t_hour=0

if tm.tm_hour<=12:

t_hour=tm_hour

else:

t_hour=tm.tm_hour-12

rad1=2*math.pi*(t_hour+tm.tm_min/60)/12

rad2=2*math.pi*(tm.tm_min+tm.tm_sec/60)/60

rad3=2*math.pi*tm.tm_sec/60

createline(50,6,rad1,)

createline(90,3,rad2)

createline(120,1,rad3)

l=canvas.create_text(170,450,text=t)

root.update()

time.sleep(1)

for item in List:

canvas.delete(item)

canvas.delete(l)

root.update()

mainloop()

效果

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