Python小工具之GUI倒计时提醒

Python小工具之GUI倒计时提醒

你是不是经常工作到腰酸背痛？头晕脑胀？忘记时间？
这个时候你就非常需要一个贴心的倒计时小工具来按时提醒你休息了
网上下载一个？No No No，咱们直接用Python脚本编写一个GUI进行倒计时提醒，简单又实用

代码如下：

# -*- coding:utf-8 -*-
"""
GUI倒计时小工具
"""
import time
import datetime
import threading
import tkinter as tk
from tkinter import messagebox

__author__ = 'Evan'


class CountdownTool(object):

    def __init__(self, minimum_value=1, maximum_value=90, default_value=30):
        self.minimum_value = minimum_value
        self.maximum_value = maximum_value
        self.default_value = default_value
        self.root = tk.Tk()
        self.root.title('倒计时小工具')
        self.root.wm_attributes("-topmost", True)  # GUI置顶，置顶后可手动最小化
        self.build_select_button_frame()
        self.build_display_times()
        self.set_window_center(window=self.root, width=347, height=135)
        self.stop_flag = False

    def build_display_times(self):
        frame = tk.Frame(relief='ridge', borderwidth=0)

        self.display_label = tk.Label(frame, text='待运行')
        self.display_label.grid(row=0, column=0, sticky=tk.W, padx=5)

        self.label = tk.Label(frame, text='00:00:00', font=('times', 40, 'bold'), fg='#FF4500')
        self.label.grid(row=0, column=0, sticky=tk.W, padx=70)
        frame.grid(row=1, column=0, sticky=tk.NSEW)

    def build_select_button_frame(self):
        frames = tk.Frame(relief='ridge', borderwidth=5)
        tk.Label(frames, text='请选择倒计时间: ').grid(row=0, column=0, sticky=tk.W)

        self.var = tk.IntVar()
        tk.Scale(frames, label='Minutes', from_=self.minimum_value, to=self.maximum_value, resolution=1,
                 orient=tk.HORIZONTAL, variable=self.var, showvalue=1).\
            grid(row=0, column=1, sticky=tk.W)
        self.var.set(self.default_value)

        self.start_button = tk.Button(frames, text='开始', command=self.progress, bg='LightSkyBlue')
        self.start_button.grid(row=0, column=2, sticky=tk.W, padx=10)
        tk.Button(frames, text='停止', command=self.stop, bg='tomato').grid(row=0, column=3, sticky=tk.W, padx=10)
        frames.grid(row=0, column=0, sticky=tk.NSEW)

    def quit(self):
        self.root.destroy()
        self.root.quit()

    @staticmethod
    def set_window_center(window, width=300, height=300):
        ws = window.winfo_screenwidth()
        hs = window.winfo_screenheight()
        x = (ws / 2) - (width / 2)
        y = (hs / 2) - (height / 2)
        window.geometry('%dx%d+%d+%d' % (width, height, x, y))

    def stop(self):
        self.stop_flag = True

    def progress(self):
        threading.Thread(target=self._progress, args=()).start()

    def _progress(self):
        self.stop_flag = False
        self.start_button.config(text='运行中', state='disable')
        try:
            minute_input = self.var.get()
            self.display_label.config(text='共{}分钟'.format(minute_input))
            close_time = (datetime.datetime.now() + datetime.timedelta(minutes=minute_input)).strftime('%H:%M:%S')
            close_time = datetime.datetime.strptime(close_time, '%H:%M:%S')
            while True:
                if self.stop_flag:
                    break
                time.sleep(1)
                current_time = datetime.datetime.strptime(datetime.datetime.now().strftime('%H:%M:%S'), '%H:%M:%S')
                gap_time = close_time - current_time
                hours = int(str(gap_time).split(':')[-3])
                minutes = int(str(gap_time).split(':')[-2])
                seconds = int(str(gap_time).split(':')[-1])
                if not hours and not minutes and not seconds:
                    self.label.config(text='{:02d}:{:02d}:{:02d}'.format(hours, minutes, seconds))
                    break
                self.label.config(text='{:02d}:{:02d}:{:02d}'.format(hours, minutes, seconds))
            if not self.stop_flag:
                messagebox.showinfo('Info', '倒计时间已到，请注意休息！')
        finally:
            self.stop_flag = False
            self.label.config(text='00:00:00')
            self.display_label.config(text='待运行')
            self.start_button.config(text='开始', state='active')


if __name__ == '__main__':
    minimum_time = 1  # 滑块最小时间
    maximum_time = 90  # 滑块最大时间
    default_time = 30  # 滑块预设时间
    countdown = CountdownTool(minimum_time, maximum_time, default_time)
    countdown.root.mainloop()

执行结果：

时间已到提示框：

温馨提示：
Python脚本写完后用pyinstaller打包成exe执行程序，使用会更方便哦~
我已打包好，提供百度网盘链接下载：

链接：https://pan.baidu.com/s/1vPGkec5MnBg3mmRUcN88Eg
提取码：y8fm

Over~