python写一个随机点名软件的实例

最近有个随机点名软件的需求，故写了一个，上代码：github地址

# -*- coding: utf-8 -*-
# @Time  : 18-12-31 下午4:21
# @Author : Felix Wang

from tkinter import *
import tkinter.font as tkFont
import random
import gc
import os, sys
import chardet
import copy
from threading import Thread
import time

def resource_path(relative):
"""
图片路径
:param relative:
:return:
"""
if hasattr(sys, "_MEIPASS"):
return os.path.join(sys._MEIPASS, relative)
return os.path.join(relative)

def center_window(root, width, height):
"""
中心大小
:param root: tk对象
:param width:
:param height:
:return:
"""
screenwidth = root.winfo_screenwidth()
screenheight = root.winfo_screenheight()
size = '%dx%d+%d+%d' % (width, height, (screenwidth - width) / 2, (screenheight - height) / 2)
root.geometry(size)

def clear():
lb.delete(0, END)

def get_names():
names = []
name_path = os.path.join(BASE_DIR, 'name.txt')
with open(name_path, 'rb') as f:
data = f.read()
cod = chardet.detect(data)['encoding']
if 'gb' in str(cod):
cod = 'gbk'
for name in data.decode(cod).strip().split('\n'):
if name.strip():
names.append(name.strip())
return names

class MyThread(Thread):
def __init__(self):
self.ifdo = False
self.auto_choise = False
self.is_auto = -1
super().__init__()

def run(self):
while True:
if self.is_auto is True:
while self.ifdo:
index = random.randint(0, len(names) - 1)
echo["text"] = names[index]
root.update_idletasks()
time.sleep(1 / 23 - 0.003)
self.is_auto = -1
elif self.is_auto is False:
if self.auto_choise:
self.auto()
self.is_auto = -1
time.sleep(0.1)

def stop(self):
"""
手动抽奖时点击停止按钮时的操作
:return:
"""
if self.is_auto:
self.ifdo = False
button2["text"] = '手动抽奖'
pict['image'] = huaji_gif
_name = random.choice(names)
echo["text"] = _name
lb.insert(END, _name)
root.update_idletasks()
root.update()
for x in locals().keys():
del locals()[x]
gc.collect()
pict['image'] = huaji_gif
scrolly.update()

def go(self):
"""
手动开始时的停止标记
:return:
"""
if self.is_auto == -1:
self.is_auto = True
self.ifdo = True
pict["image"] = huang_gif
button2["text"] = '点击停止'

def auto_start(self):
"""
自动开始设置更改标记
:return:
"""
if self.is_auto == -1:
self.is_auto = False
self.auto_choise = True
pict["image"] = huang_gif
button["text"] = '先别点我'
global ft1
ft1 = tkFont.Font(family='Fixdsys', size=80, weight=tkFont.BOLD)

def auto(self):
"""
自动开始时执行的操作
:return:
"""
copy_names = copy.deepcopy(names)
ren = int(v.get())
for i in range(ren):
for a in range(23):
index = random.randint(0, len(names) - 1)
echo["text"] = random.choice(names)
root.update_idletasks()
time.sleep(1 / 23 - 0.003)

choise_name = copy_names.pop(random.choice(range(len(copy_names))))
echo["text"] = choise_name

lb.insert(END, choise_name)
if i == ren - 1:
pict['image'] = huaji_gif
button["text"] = '开始抽奖'
for a in range(5):
root.update()
time.sleep(0.06)

root.update_idletasks()

for x in locals().keys():
del locals()[x]
gc.collect()

scrolly.update()
self.auto_choise = False

flag = False

def name2():
global flag
flag = not flag

if flag:
tr.go()
else:
tr.stop()

def name():
tr.auto_start()

try:
BASE_DIR = os.path.dirname(os.path.abspath(__file__))

names = get_names()

root = Tk()

root.title("随机抽奖器(by 王以涛)")

center_window(root, 570, 160)

ft = tkFont.Font(family='Fixdsys', size=40, weight=tkFont.BOLD)
ft1 = tkFont.Font(family='Fixdsys', size=80, weight=tkFont.BOLD)
echo = Label(root, text='随机抽奖', font=ft, width=8) # 默认显示
echo.grid(row=1, column=1, columnspan=2)

scrolly = Scrollbar(root)
scrolly.grid(row=1, column=5, rowspan=2, ipady=30)
lb = Listbox(root, yscrollcommand=scrolly.set, exportselection=False, height=6)
lb.grid(row=1, column=3, rowspan=2, columnspan=2, pady=0)
scrolly['command'] = lb.yview

# button = Button(root, text='删除所选名字', command=lambda x=lb: x.delete(ACTIVE))
# button.grid(row=3, column=3)
button = Button(root, text='删除所有名字', command=clear)
button.grid(row=3, column=4)

v = StringVar()
Scale(root, from_=1, to=len(names), resolution=1, orient=HORIZONTAL, variable=v).grid(row=2, column=1, columnspan=2)

# 抽奖时的图片
data_dir = os.path.join(BASE_DIR, "img")
huaji_gif = PhotoImage(file=resource_path(os.path.join(data_dir, 'huaji.gif')))
huang_gif = PhotoImage(file=resource_path(os.path.join(data_dir, 'huang.gif')))
pict = Label(root, image=huaji_gif)
pict.grid(row=1, column=0, rowspan=3)

button = Button(root, text='自动抽奖', command=name)
button.grid(row=3, column=1, columnspan=1)
flag = False

button2 = Button(root, text='手动抽奖', command=name2)
button2.grid(row=3, column=2, columnspan=1)

tr = MyThread()
tr.setDaemon(True)
tr.start()

root.mainloop()
except Exception as e:
print('错误信息', e)
time.sleep(60)

效果如下：

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