from tkinter import *: Imports all classes and functions from the Tkinter GUI library. from tkinter import ttk: Imports themed widgets like Combobox, Treeview, etc. import requests: Allows sending ...
ComboBox 组合框在Tkinter中没有对应的控件，比较类似的只有OptionMenu，类似ComboBox 的Style=2 (Dropdown List)时的表现，一个下拉列表，只能在列表中选择一个值， 不能直接输入。 所以建议在VB的ComboBox中写下所有的下拉列表值。
In any Tkinter program, the first thing you need is a window. This window will act as a container for your app. This line brings the Tkinter library into your program. We give it the nickname tk so we ...
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