PhotoImage 未显示与其关联的图像

问题描述

我对 tkinter 很陌生，我注意到当我尝试将图片作为背景添加到我的窗口时，它不会显示出来.这是代码.

I am very new to tkinter and I notice that when I try to add a picture as a background to my window, it just won't show up. Here's the code.

from tkinter import *

root = Tk()

def cheese():
    root.destroy()

logo = PhotoImage('../Desktop/logothing.gif')
background_label = Label(root, image=logo)
background_label.place(x=0, y=0, relwidth=1, relheight=1)

explanation = """Flaming Arrows whizz over your hair, War rages around you. Suddenly,
it charges into you. A 8 foot tall mechanical beast the enemy have been training for war.
You have no chance but to fight it. You swing your sword as hard as you can...Only to
leave a minor dent on it's armor. With one blow from its club, you fall unconscious."""

w = Label(root, image=logo).pack(side='right')
w1 = Button(root, text = 'Wake Up',command = cheese, fg='blue', font = "Impact 20")
w1.pack(side='bottom')

w2 = Label(root,
           justify=LEFT,
           text=explanation,
           compound = CENTER,
           fg="blue", padx=0,font="ComicSansMS 32 bold")
w2.pack(side='left')

推荐答案

需要使用file指定选项.PhotoImage(file = "foo.gif")

另外，如 PhotoImage 在 effbot 上的页面所述，

您必须在 Python 程序中保留对图像对象的引用，通过将其存储在全局变量中，或将其附加到另一个对象.

from tkinter import *

root = Tk()
def cheese():
    root.destroy()
logo = PhotoImage(file = '../Desktop/logothing.gif')
background_label = Label(root, image=logo)
background_label.image = logo
background_label.place(x=0, y=0, relwidth=1, relheight=1)
explanation = """Flaming Arrows whizz over your hair, War rages around you. Suddenly,
it charges into you. A 8 foot tall mechanical beast the enemy have been training for war.
You have no chance but to fight it. You swing your sword as hard as you can...Only to
leave a minor dent on it's armor. With one blow from its club, you fall unconscious."""
w= Label(root, image=logo).pack(side='right')
w1 = Button(root, text = 'Wake Up',command = cheese, fg='blue', font = "Impact 20")
w1.pack(side='bottom')

w2 = Label(root,
           justify=LEFT,
           text=explanation,
           compound = CENTER,
           fg="blue", padx=0,font="ComicSansMS 32 bold")
w2.pack(side='left')

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