如何使用python写个国庆假期倒计时程序

这篇文章主要介绍了如何使用python写个国庆假期倒计时程序，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。

一、先看效果：

二、安装python：

1、下载安装python

下载安装python3.9.6，进入python官方网站：http://www.python.org/

点击Python 3.9.6

直接安装即可。

2、验证安装成功。

按win+R输入cmd，打开控制台，输入python -V，输出python版本号说明安装成功。

三、代码

##import libraryfrom tkinter import *import timefrom datetime import datetime,timedelta ################GUI to display window ##########################root = Tk()root.geometry('450x300')root.resizable(0,0)root.config(bg ='blanched almond')root.title('国庆倒计时')Label(root, text = '国庆倒计时' , font = 'arial 20 bold', bg ='papaya whip').pack() ############GUI to display current time#######################Label(root, font ='arial 15 bold', text = ' 当前时间：', bg = 'papaya whip').place(x = 40 ,y = 70) #######################GUI to set the future time ##########Label(root, font ='arial 15 bold', text = ' 到达时间：', bg = 'papaya whip').place(x = 40 ,y = 110)#set yearyear_set = StringVar()Entry(root, textvariable =year_set , width = 4, font = 'arial 12').place(x=175, y=115)Label(root, font ='arial 15', text = '-', bg = 'papaya whip').place(x = 215 ,y = 110)year_set.set('0000') #set monthmonth_set= StringVar()Entry(root, textvariable =month_set, width =2, font = 'arial 12').place(x=235, y=115)Label(root, font ='arial 15', text ='-', bg = 'papaya whip').place(x = 260 ,y = 110)month_set.set('00') #set dayday_set= StringVar()Entry(root, textvariable =day_set, width =2, font = 'arial 12').place(x=275, y=115)day_set.set('00') # set hourhour_set= StringVar()Entry(root, textvariable =hour_set, width =2, font = 'arial 12').place(x=305, y=115)Label(root, font ='arial 15', text = ':', bg = 'papaya whip').place(x = 330 ,y = 110)hour_set.set('00') # set minmin_set= StringVar()Entry(root, textvariable =min_set, width =2, font = 'arial 12').place(x=345, y=115)Label(root, font ='arial 15', text = ':', bg = 'papaya whip').place(x = 370 ,y = 110)min_set.set('00') # set secsec_set= StringVar()Entry(root, textvariable =sec_set, width =2, font = 'arial 12').place(x=385, y=115)sec_set.set('00') #######################GUI to display timer countdown ##########Label(root, font ='arial 15 bold', text = ' 倒计时：', bg ='papaya whip').place(x = 40 ,y = 150)#storing secondssec = StringVar()Entry(root, textvariable = sec, width = 2, font = 'arial 12').place(x=325, y=155)Label(root, font ='arial 15', text = '秒', bg = 'papaya whip').place(x = 350 ,y = 150)sec.set('00') #storing minutesmins= StringVar()Entry(root, textvariable = mins, width =2, font = 'arial 12').place(x=275, y=155)Label(root, font ='arial 15', text = '分', bg = 'papaya whip').place(x = 300 ,y = 150)mins.set('00') # storing hourshrs= StringVar()Entry(root, textvariable = hrs, width =2, font = 'arial 12').place(x=225, y=155)Label(root, font ='arial 15', text = '时', bg = 'papaya whip').place(x = 250 ,y = 150)hrs.set('00') # storing daysdays= StringVar()Entry(root, textvariable = days, width =2, font = 'arial 12').place(x=175, y=155)Label(root, font ='arial 15', text = '天', bg = 'papaya whip').place(x = 200 ,y = 150)days.set('00') #########fun to display current time#############def clock(): clock_time = time.strftime('%Y-%m-%d %H:%M:%S %p') curr_time.config(text = clock_time) curr_time.after(1000,clock) curr_time =Label(root, font ='arial 15 bold', text = '', fg = 'gray25' ,bg ='papaya whip')curr_time.place(x = 175 , y = 70)clock() ##########fun to start countdown########def countdown(): #now = datetime.now() #end = datetime((year_set).get(),(month_set).get(),(day_set).get(),(hour_set).get(),(min_set).get(),(sec_set).get(),00); global seconds_now now = time.time() lt_ = time.strptime(f'{(year_set).get()} {(month_set).get()} {(day_set).get()} {(hour_set).get()} {(min_set).get()} {(sec_set).get()}', '%Y %m %d %H %M %S') end = time.mktime(lt_) times=int (end-now)  #.total_seconds()); while times > -1:  minute,second = (times // 60 , times % 60)    hour = 0  if minute > 60:   hour , minute = (minute // 60 , minute % 60)    day=0  if hour>24:    day,hour=(hour//24,hour%24)      sec.set(second)  mins.set(minute)  hrs.set(hour)  days.set(day)  root.update()  time.sleep(1)   times -= 1 Button(root, text='START', bd ='5', command = countdown, bg = 'antique white', font = 'arial 10 bold').place(x=150, y=210)  root.mainloop()

四、运行

打开工程文件，在地址栏里输入cmd，按Enter回车，即打开控制台。

输入python main.py，按回车就打开了程序GUI界面。

到达时间填2021年10月1日，按start按钮，就开始放假倒计时啦！

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