<p>这里有几个问题:</p>
<ol start=“2”>
<li><p>无论何时动态创建小部件,都需要在集合中存储对它们的引用,以便以后可以访问它们</p></li>
<li><p>Tkinter小部件的<code>grid</code>方法始终返回<code>None</code>。因此,您需要将对<code>grid</code>的任何调用放在它们自己的线路上</p></li>
<li><p>每当您将按钮的<code>command</code>选项分配给需要参数的函数时,必须使用<a href="https://stackoverflow.com/questions/890128/python-lambda-why">^{<cd5>}</a>等来“隐藏”该函数的调用,直到单击按钮为止。有关更多信息,请参见<a href="https://stackoverflow.com/a/20556892/2555451">https://stackoverflow.com/a/20556892/2555451</a></p></li>
</ol>
<p>下面是解决所有这些问题的示例脚本:</p>
<pre><code>from Tkinter import Tk, Button, GROOVE
root = Tk()
def appear(index, letter):
# This line would be where you insert the letter in the textbox
print letter
# Disable the button by index
buttons[index].config(state="disabled")
letters=["A", "T", "D", "M", "E", "A", "S", "R", "M"]
# A collection (list) to hold the references to the buttons created below
buttons = []
for index in range(9):
n=letters[index]
button = Button(root, bg="White", text=n, width=5, height=1, relief=GROOVE,
command=lambda index=index, n=n: appear(index, n))
# Add the button to the window
button.grid(padx=2, pady=2, row=index%3, column=index/3)
# Add a reference to the button to 'buttons'
buttons.append(button)
root.mainloop()
</code></pre>