注意主視窗一定要為tk.Tk(),在主視窗上通過button的點選相應子函式建立子視窗，注意此時創建出來的視窗必須是Toplevel，否則出錯。至於用圖片在視窗上繪圖，則按程式碼所示即可。

# -*- coding: utf-8 -*-

"""
Created on Wed Oct 26 20:32:52 2016


@author: min
"""


import Tkinter as tk
from PIL import Image, ImageTk 
global attackTime
attackTime=1


def show1():
    top1=tk.Toplevel()
    image = Image.open('random.jpg') 
    img = ImageTk.PhotoImage(image)
    canvas1 = tk.Canvas(top1, width = image.width*2 ,height = image.height*2, bg = 'white')
    canvas1.create_image(0,0,image = img,anchor="nw")
    canvas1.create_image(image.width,0,image = img,anchor="nw")
    canvas1.pack()   
    top1.mainloop()


def show2():
    top1=tk.Toplevel()
    image = Image.open('random.jpg') 
    img = ImageTk.PhotoImage(image)
    canvas = tk.Canvas(top1, width = image.width ,height = image.height, bg = 'white')
    canvas.create_image(0,0,image = img,anchor="nw")
    canvas.pack()   
    top1.mainloop()


def showMessage():
    top=tk.Toplevel()
    l=tk.Label(top,text='Attacks cost '+str(attackTime)+' s',width=20)
    l.pack()
    top.mainloop()
    
root=tk.Tk()
b1=tk.Button(root,text='start1',command=show1)
b1.pack()
b2=tk.Button(root,text='start2',command=showMessage)
b2.pack()

root.mainloop()