为什么如果在函数中创建Tkinter图像就不会显示?此代码适用于:import tkinter
root = tkinter.Tk()canvas = tkinter.Canvas(root)canvas.grid(row = 0, column = 0)photo = tkinter.PhotoImage
(file = './test.gif')canvas.create_image(0, 0, image=photo)root.mainloop()它给我看了图像。现在,这段代码编译,但它没有显示图像,我不知道为什么,因为它是相同的代码,在一个类:import tkinterclass Test:
def __init__(self, master):
canvas = tkinter.Canvas(master)
canvas.grid(row = 0, column = 0)
photo = tkinter.PhotoImage(file = './test.gif')
canvas.create_image(0, 0, image=photo)root = tkinter.Tk()test = Test(root)root.mainloop()
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