Python小工具之GUI倒計時提醒

Python小工具之GUI倒計時提醒

你是不是經常工作到腰痠背痛？頭暈腦脹？忘記時間？
這個時候你就非常需要一個貼心的倒計時小工具來按時提醒你休息了🙂
直接用Python腳本編寫一個GUI進行倒計時提醒，簡單又實用😄

代碼如下：

# -*- coding:utf-8 -*-
"""
GUI倒計時小工具
"""
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('倒計時小工具')
        self.root.wm_attributes("-topmost", True)  # GUI置頂，置頂後可手動最小化
        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='待運行')
        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='請選擇倒計時間: ').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='開始', 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='運行中', state='disable')
        try:
            minute_input = self.var.get()
            self.display_label.config(text='共{}分鐘'.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', '倒計時間已到，請注意休息！')
        finally:
            self.stop_flag = False
            self.label.config(text='00:00:00')
            self.display_label.config(text='待運行')
            self.start_button.config(text='開始', state='active')


if __name__ == '__main__':
    minimum_time = 1  # 滑塊最小時間
    maximum_time = 90  # 滑塊最大時間
    default_time = 30  # 滑塊預設時間
    countdown = CountdownTool(minimum_time, maximum_time, default_time)
    countdown.root.mainloop()

執行結果：

時間已到提示框：

溫馨提示：
Python腳本寫完後用pyinstaller打包成exe執行程序，使用會更方便哦~
我已打包好，提供百度網盤鏈接下載：

鏈接：https://pan.baidu.com/s/1vPGkec5MnBg3mmRUcN88Eg
提取碼：y8fm