擅长:python、mysql、java
<p>您不必使用frame,您可以直接在pack中提到fill='none'和side='left',将小部件放在窗口的左侧</p>
<pre><code>import tkinter as tk
root = tk.Tk()
previousPageB = tk.Button(root, text = "< ", command = lambda:
controller.show_frame(LoginPage))
previousPageB.pack(fill='none',side = "left")
</code></pre>