问题描述
canvassomethingimg = ImageTk.PhotoImage(Image.open("bin/level1assets/scenes2/11.png"))
canvassomething = Canvas(root,width=1446,height=899,borderwidth=0,highlightthickness=0)
canvassomething.create_image(0,anchor=NW,image=canvassomethingimg)
并希望在file2.py中使用它
canvassoemthing.place(x=-1,y=0)
当然,有代码可以使它像根目录一样工作,我拥有它。但是我需要开始使用来自其他文件的画布。有可能吗?
解决方法
这取决于您程序的主要入口点。
- 如果它是file1.py,则file2.py可能应该是可以在file1.py中使用的函数/类的集合,并将创建的画布用作参数。
file2.py:
def place_canvas(canvas):
canvas.place(x=-1,y=0)
file1.py
from file2 import place_canvas
canvassomethingimg = ImageTk.PhotoImage(Image.open("bin/level1assets/scenes2/11.png"))
canvassomething = Canvas(root,width=1446,height=899,borderwidth=0,highlightthickness=0)
canvassomething.create_image(0,anchor=NW,image=canvassomethingimg)
...
place_canvas(canvassomething)
- 现在,如果相反(您只想初始化file1中的某些内容并运行file2中的主要逻辑),则可以在file1中使用一个初始化函数,该函数返回Canvas对象并在file2中使用它:
file1.py
def init_canvas():
... # Probably the rest of your initialisation (like defining `root`)
canvas_img = ImageTk.PhotoImage(Image.open("bin/level1assets/scenes2/11.png"))
canvas = Canvas(root,highlightthickness=0)
canvas.create_image(0,image=canvassomethingimg)
return canvas
file2.py
from file1 import init_canvas
canvassomething = init_canvas()
canvassomething.place(x=-1,y=0)