我在 tkinter 中收到“画布对象没有属性 get_tk_widget”错误

Question

当我在 thinkter 库中运行以下代码时，我从 get_tk_widget() 收到属性错误。我收到“canvas object has no attribute get_tk_widget”错误。我可以写什么来代替这段代码？

---

try:
        if canvas:
            canvas.get_tk_widget().grid_forget()

        canvas = FigureCanvasTkAgg(fig, master=root)
        canvas_widget = canvas.get_tk_widget()
        canvas_widget.grid(row=8, columnspan=4, sticky="nsew")

        scrollbar = tk.Scrollbar(root, orient="horizontal", command=canvas_widget.get_tk_widget().xview)
        scrollbar.grid(row=9, columnspan=4, sticky="ew")
        canvas_widget.get_tk_widget().configure(xscrollcommand=scrollbar.set)

canvas_widget.get_tk_widget().bind('<Configure>', on_canvas_configure)

Gui 屏幕打开，但此处的 get_tk_widget 给出属性错误。

Answer 1

canvas_widget

是

tkinter.Canvas

小部件的实例，因此它不具有

get_tk_widget()

功能。

您需要将这些

canvas_widget.get_tk_widget()

更改为

canvas_widget

:

...
scrollbar = tk.Scrollbar(root, orient="horizontal", command=canvas_widget.xview)
scrollbar.grid(row=9, columnspan=4, sticky="ew")
canvas_widget.configure(xscrollcommand=scrollbar.set)
...
canvas_widget.bind("<Configure>", on_canvas_configure)