1 # messagebox:消息弹框 2 # 不断点击按钮，切换各种弹窗 3 import tkinter as tk 4 from tkinter import messagebox 5 from tk_center_win import set_win_center 6 7 root = tk.Tk() 8 root.title('消息框') 9 root.geometry('190x80+300+300') # 设置窗口大小和位置 10 # set_win_center(root, 190, 80) # 设置窗口大小并居中显示 11 n = 0 12 str_var = tk.StringVar() 13 str_var.set('askokcancel') 14 15 16 def cmd(): 17 '''弹框提示''' 18 global n 19 global str_var 20 n += 1 21 if n == 1: 22 r = messagebox.askokcancel('消息框', 'askokcancel') 23 print('askokcancel:', r) 24 str_var.set('askquestion') 25 elif n == 2: 26 r = messagebox.askquestion('消息框', 'askquestion') 27 print('askquestion:', r) 28 str_var.set('askyesno') 29 elif n == 3: 30 r = messagebox.askyesno('消息框', 'askyesno') 31 print('askyesno:', r) 32 str_var.set('askretrycancel') 33 elif n == 4: 34 r = messagebox.askretrycancel('消息框', 'askretrycancel') 35 print('askretrycancel:', r) 36 str_var.set('showerror') 37 elif n == 5: 38 r = messagebox.showerror('消息框', 'showerror') 39 print('showerror:', r) 40 str_var.set('showinfo') 41 elif n == 6: 42 r = messagebox.showinfo('消息框', 'showinfo') 43 print('showinfo:', r) 44 str_var.set('showwarning') 45 else: 46 r = messagebox.showwarning('消息框', 'showwarning') 47 print('showwarning:', r) 48 str_var.set('askokcancel') 49 n = 0 50 51 52 label = tk.Label(root, text='不断点击按钮，切换各种弹窗', font='宋体 -14', pady=8) 53 label.grid() 54 btn = tk.Button(root, width='15', textvariable=str_var, command=cmd) 55 btn.grid() 56 57 root.mainloop()
截图：
