本文实例讲述了python实现的简单抽奖系统。分享给大家供大家参考。具体实现方法如下:
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#!/usr/bin/env python
#coding=utf-8
from Tkinter import *
import time
import random
class App:
def __init__( self ,master):
frame = Frame(master)
frame.pack()
v = StringVar()
self .e = Entry(frame,textvariable = v,bd = '5' )
v. set ('')
self .v = v
self .e.pack(padx = 5 )
self .button1 = Button(frame,text = 'start' ,fg = 'red' ,command = self .start_hi)
self .button1.pack(side = LEFT)
self .button2 = Button(frame,text = 'stop' ,fg = 'blue' ,command = self .say_stop)
self .button2.pack(side = LEFT)
self .root = master
self .stop = 0
#scrollbar = Scrollbar(frame, orient=VERTICAL)
#self.b1 = Listbox(frame, yscrollcommand=scrollbar.set)
#scrollbar.pack(side=RIGHT, fill=Y)
#self.b1.pack(side=LEFT, fill=BOTH, expand=1)
def list_star( self ):
star = []
file = open ( 'yaojiang.txt' , 'r+' )
data = file .readlines()
file .close()
for n in data:
l1 = n.split( ':' )
a = l1[ 0 ] + ':' + l1[ 1 ][: 4 ] + 'xxxx' + l1[ 1 ][ 8 : 12 ]
a = a.strip()
star.append(a)
return star
def start_hi( self ):
self .stop = 0
#star = []
#file = open('yaojiang.txt','r+')
#data = file.readlines()
#file.close()
#for n in data:
#l1 = n.split(':')
#a = l1[0] + ':'+ l1[1][:4] + 'xxxx' + l1[1][8:12]
#a = a.strip()
#star.append(a)
star = self .list_star()
self .update_clock(star)
def say_stop( self ):
self .stop = 1
#b = self.start()
def update_clock( self ,star):
b = random.choice(star)
self .v. set (b)
if self .stop = = 1 :
return
self .root.after( 50 , self .update_clock,star)
root = Tk()
app = App(root)
root.mainloop()
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希望本文所述对大家的Python程序设计有所帮助。