【项目分享】用 Python 写一个桌面倒计日程序！

news2025/1/16 15:47:52

事情是这样的，我们班主任想委托我做一个程序，能显示还有几天考试。我立即理解了这个意思，接下了这个项目。

话不多说，来看看这个项目吧——

项目简介

仓库地址：https://gitee.com/yaoqx/desktop-countdown-day

这是 gitee 上这个项目的地址，项目的详细介绍以及使用说明都在上面，欢迎来参观！😝

语言：Python

作者：我，还有我的同学 @a瓦达啃瓜瓜

实现思路

参考这张思维导图，应该能明白大概思路了吧！

完整代码

import tkinter as tk
from tkinter import messagebox as msg
import datetime as dt
from PIL import Image, ImageTk
import sys, os


name, date = "暂无", ""
size = 50


# 打包exe后的文件路径
def resource_path(relative_path):
    try:
        base_path = sys._MEIPASS
    except Exception:
        base_path = os.path.abspath(".")

    return os.path.join(base_path, relative_path)


# 读取文件中日期
with open(resource_path("data.txt"), "r", encoding="utf-8") as file:
	data = file.read()
	data = data.split()
	# 处理
	if len(data) != 0:
		name = data[0]
		date = data[1]


# 窗口初始化
win = tk.Tk()
win.attributes("-transparentcolor", "#F0F0F0") # 透明 
win.overrideredirect(True) # 无边框
win.geometry("350x200+1500+30") # 位置：屏幕右上角

# 背景图片
def get_img(filename):
	pic = Image.open(filename).resize((345, 200))
	return ImageTk.PhotoImage(pic)

bg = tk.Canvas(win, width=350, height=200)
img = get_img(resource_path("bg.png"))
bg.create_image(175, 100, image=img)
bg.place(x=175, y=100, anchor="center")


day_frm = None
# 更新内容
def update():
	global day_frm, date, name

	if day_frm != None:
		day_frm.destroy()

	day_frm = tk.Frame(win, bg="lightyellow")
	day_frm.pack(anchor="center", fill="both", padx=15, pady=10)

	# 有日期
	if not date == "":
		# 计算剩余天数
		now = dt.datetime.today()
		tar = dt.datetime.strptime(date, "%Y.%m.%d")
		ans = (tar - now).days + 1
		if ans < 0:
			ans = "已过"
		elif ans == 0:
			ans = "今天!"
		else:
			ans = str(ans)

		if ans == "已过" or ans == "今天!":
			size = 40
		elif len(ans) <= 2:
			size = 60
		elif len(ans) <= 3:
			size = 50
		else:
			size = 40
		tk.Label(day_frm, text=ans, bg="lightyellow", font=("黑体", size), justify="right").pack(side="right", padx=15)

	tk.Label(day_frm, text='\n'+name+'\n\n\n'+date, bg="lightyellow", font=("黑体", 18), justify="left").pack(side="left", padx=20, pady=5)

update()



# 编辑
def edit():
	global name, date, day_frm

	edit_win = tk.Frame(win, bg="lightyellow")
	edit_win.place(anchor="center", x=175, y=100, width=320, height=170)
	day_frm.destroy()

	# 取消
	def cancel():
		edit_win.destroy()
		update()

	# 文字
	tk.Label(edit_win, text="名称：", bg="lightyellow", font=("微软雅黑", 12)).grid(row=0, column=0, padx=15, pady=15)
	tk.Label(edit_win, text="日期：", bg="lightyellow", font=("微软雅黑", 12)).grid(row=1, column=0, padx=12, pady=8)

	# 输入框
	entry1 = tk.Entry(edit_win, width="22", font=("等线", 13), highlightcolor="blue")
	entry1.grid(row=0, column=1, columnspan=2, padx=15, pady=15)
	entry2 = tk.Entry(edit_win, width="22", font=("等线", 13))
	entry2.grid(row=1, column=1, columnspan=2, padx=12, pady=8)

	# 输入提示
	tk.Label(edit_win, text="如：2024.10.1", bg="lightyellow", fg="darkgrey", font=("微软雅黑", 10)).grid(row=2, column=1)

	# 确定
	def ok():
		global name, date

		name = entry1.get()
		date = entry2.get()

		# 名称为空
		if name == "":
			msg.showerror(title="错误", message="名称不能为空！")
			return

		# 判断日期是否合法
		nums = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]

		tmp = date.split('.')
		error = False
		if len(tmp) != 3:
			error = True
		for j, i in enumerate(tmp):
			# 是否数字
			if not i.isdigit():
				error = True
				break
			i = int(i)

			if j == 0: # 年份
				if i < 2000:
					error = True
			elif j == 1: # 月份
				if i <= 0 or i > 12:
					error = True
			elif j == 2: # 天
				if (int(tmp[0]) % 4 == 0 and int(tmp[0]) % 100 != 0) or int(tmp[0]) % 400 == 0:
					nums[2] += 1
				if i <= 0 or i > nums[int(tmp[1])]:
					error = True
				if (int(tmp[0]) % 4 == 0 and int(tmp[0]) % 100 != 0) or int(tmp[0]) % 400 == 0:
					nums[2] -= 1
		if error:
			msg.showerror(title="错误", message="请输入正确日期！")
			return

		# 更新文件
		with open(resource_path("data.txt"), "w", encoding="utf-8") as file:
			file.write(name + " " + date)

		edit_win.destroy()
		update()


	# 按钮
	tk.Button(edit_win, text="确定", bd=0, bg="lightyellow", activebackground="lightyellow", command=ok, font=("微软雅黑", 12), cursor="hand2", activeforeground="grey").grid(row=3, column=1, padx=10, pady=17)
	tk.Button(edit_win, text="取消", bd=0, bg="lightyellow", activebackground="lightyellow", command=cancel, font=("微软雅黑", 12), cursor="hand2", activeforeground="grey").grid(row=3, column=2, padx=10, pady=17)


# 按钮
btn_frm = tk.Frame(win, bg="lightyellow")
btn_frm.pack(side="bottom", anchor="e", after=day_frm, padx=25, pady=10)

# 编辑按钮
add_btn = tk.Button(btn_frm, text="编辑", font=("微软雅黑", 12), command=edit, 
					bd=0, bg="lightyellow", activebackground="lightyellow", cursor="hand2", activeforeground="grey")
add_btn.pack(side="right", anchor="s")

# 关闭按钮
def quit():
	win.destroy()
quit_btn = tk.Button(btn_frm, text="关闭", font=("微软雅黑", 12), command=quit, 
					bd=0, bg="lightyellow", activebackground="lightyellow", cursor="hand2", activeforeground="grey")
quit_btn.pack(side="right", anchor="s")

# 置顶按钮
def top():
	win.wm_attributes("-topmost", True)
	top_btn["command"] = no_top
	top_btn["text"] = "取消置顶"
def no_top():
	win.wm_attributes("-topmost", False)
	top_btn["command"] = top
	top_btn["text"] = "置顶"

top_btn = tk.Button(btn_frm, text="置顶", font=("微软雅黑", 12), command=top, 
					bd=0, bg="lightyellow", activebackground="lightyellow", cursor="hand2", activeforeground="grey")
top_btn.pack(side="right", anchor="s")


win.mainloop()