如何在 tkinter 中将中间列居中

Question

我的问题是：输出应该显示 2 个侧边栏（第 0 列和第 2 列），其中包含内容标签和条目以及一个中央窗口（第 1 列），比中间的其他侧边栏大得多。但中间的列总是出现在右侧，并且作为一个非常小的框架。请帮忙。

我的代码和图片：

import tkinter as tk, tkinter.ttk as ttk

root = tk.Tk()

root.title("THE FRIDGER")

root.grid_columnconfigure(0, weight=1)

root.grid_rowconfigure(2, weight=1)

#prepared data

dflt = dict(fg="white", bg="black")

pads = dict(pady=4, padx=4)

#header frame

header = tk.Frame(root, bg="black")

header.grid(row=0, column=0, columnspan=3, sticky="nsew")

for i in range(2):

    header.grid_columnconfigure(i, weight=1)

#header labels

tk.Label(header, text="Fridge", **dflt).grid(column=0, row=0, **pads)

tk.Label(header, text="Recipes", **dflt).grid(column=1, row=0, **pads)

#separator

s = ttk.Style()

s.configure('custom.TSeparator', background='blue')

ttk.Separator(root, style='custom.TSeparator').grid(row=1, column=0, columnspan=3, sticky="ew")

#left side content

l_content = tk.Frame(root, bg="black")

l_content.grid(row=2, column=0, sticky="nsew")

tk.Label(l_content, text="Content:", **dflt).grid(column=0, row=0, sticky=tk.W)

l_query = tk.Entry(l_content, width=36, relief=tk.FLAT, bg = "white", fg = "black")

l_query.grid(column=0, row=1, sticky=tk.W)

#right side content

r_content = tk.Frame(root, bg="black")

r_content.grid(row=2, column=2, sticky="nsew")

tk.Label(r_content, text="Content:", **dflt).grid(column=0, row=2, sticky=tk.W)

r_query = tk.Entry(r_content, width=36, relief=tk.FLAT, bg = "white", fg = "black")

r_query.grid(column=0, row=3, sticky=tk.W)

#middle content

m_content = tk.Frame(root, bg="white")

m_content.grid(row=2, column=1, sticky="nsew")

tk.Label(m_content, text="This should appear in the middle", **dflt).grid(column=0, row=2,       sticky=tk.W)

m_content.grid_columnconfigure(1, weight = 1)

root.mainloop()

Answer 1

左列如此大的原因是您给它的权重为 1。如果您希望中心列占据所有额外空间，您需要给它一个正权重，而不是给第 0 列权重。root.grid_columnconfigure(1, weight=1)

Answer 2

您设置weight=1错误的列：root.grid_columnconfigure(0, weight=1)应该root.grid_columnconfigure(1, weight=1)m_content.grid_columnconfigure(1, weight=1)应该m_content.grid_columnconfigure(0, weight=1)并sticky从以下位置删除选项：tk.Label(m_content, text="This should appear in the middle", **dflt).grid(column=0, row=2, sticky=tk.W)