python编写简单抽奖系统

#!/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()

编程技巧