<p>滚动条的高度与按钮的框架高度不匹配,因为您没有告诉它保持南北方向<code>.grid(..., sticky='ns')</code></p>
<p>然后,您要实现的滚动行为描述如下:<a href="https://stackoverflow.com/a/3092341/4084269">Adding a Scrollbar to a group of widgets</a></p>
<p>另请参阅@<a href="https://stackoverflow.com/a/49681192/4084269">martineau</a>的答案,以获得更通用的二维滚动(水平和垂直)面向对象解决方案</p>
<p><a href="https://i.stack.imgur.com/zQX4z.gif" rel="noreferrer"><img src="https://i.stack.imgur.com/zQX4z.gif" alt="scrolling example"/></a></p>
<pre><code>import tkinter as tk
root = tk.Tk()
root.grid_rowconfigure(0, weight=1)
root.columnconfigure(0, weight=1)
frame_main = tk.Frame(root, bg="gray")
frame_main.grid(sticky='news')
label1 = tk.Label(frame_main, text="Label 1", fg="green")
label1.grid(row=0, column=0, pady=(5, 0), sticky='nw')
label2 = tk.Label(frame_main, text="Label 2", fg="blue")
label2.grid(row=1, column=0, pady=(5, 0), sticky='nw')
label3 = tk.Label(frame_main, text="Label 3", fg="red")
label3.grid(row=3, column=0, pady=5, sticky='nw')
# Create a frame for the canvas with non-zero row&column weights
frame_canvas = tk.Frame(frame_main)
frame_canvas.grid(row=2, column=0, pady=(5, 0), sticky='nw')
frame_canvas.grid_rowconfigure(0, weight=1)
frame_canvas.grid_columnconfigure(0, weight=1)
# Set grid_propagate to False to allow 5-by-5 buttons resizing later
frame_canvas.grid_propagate(False)
# Add a canvas in that frame
canvas = tk.Canvas(frame_canvas, bg="yellow")
canvas.grid(row=0, column=0, sticky="news")
# Link a scrollbar to the canvas
vsb = tk.Scrollbar(frame_canvas, orient="vertical", command=canvas.yview)
vsb.grid(row=0, column=1, sticky='ns')
canvas.configure(yscrollcommand=vsb.set)
# Create a frame to contain the buttons
frame_buttons = tk.Frame(canvas, bg="blue")
canvas.create_window((0, 0), window=frame_buttons, anchor='nw')
# Add 9-by-5 buttons to the frame
rows = 9
columns = 5
buttons = [[tk.Button() for j in xrange(columns)] for i in xrange(rows)]
for i in range(0, rows):
for j in range(0, columns):
buttons[i][j] = tk.Button(frame_buttons, text=("%d,%d" % (i+1, j+1)))
buttons[i][j].grid(row=i, column=j, sticky='news')
# Update buttons frames idle tasks to let tkinter calculate buttons sizes
frame_buttons.update_idletasks()
# Resize the canvas frame to show exactly 5-by-5 buttons and the scrollbar
first5columns_width = sum([buttons[0][j].winfo_width() for j in range(0, 5)])
first5rows_height = sum([buttons[i][0].winfo_height() for i in range(0, 5)])
frame_canvas.config(width=first5columns_width + vsb.winfo_width(),
height=first5rows_height)
# Set the canvas scrolling region
canvas.config(scrollregion=canvas.bbox("all"))
# Launch the GUI
root.mainloop()
</code></pre>