python tkinter set
时间: 2023-10-19 17:13:46 浏览: 34
The "set" method in tkinter is used to set the value of a variable or widget property.
Here are a few examples:
1. Setting the value of a StringVar variable:
```python
import tkinter as tk
root = tk.Tk()
var = tk.StringVar()
var.set("Hello, world!")
root.mainloop()
```
2. Setting the text of a label widget:
```python
import tkinter as tk
root = tk.Tk()
label = tk.Label(root, text="Hello, world!")
label.pack()
label.config(text="New text")
root.mainloop()
```
3. Setting the value of a Scale widget:
```python
import tkinter as tk
root = tk.Tk()
scale = tk.Scale(root, from_=0, to=100, orient=tk.HORIZONTAL)
scale.pack()
scale.set(50)
root.mainloop()
```
相关问题
python tkinter中set的解释
在的tkinter库中,set()是一个方法,用于设置变量的值。在使用tkinter创建GUI应用程序时,可以使用set()方法来设置变量的初始值,或者在程序运行过程中更新变量的值。set()方法接受一个参数,即要设置的值。例如,x.set("Hello World")可以将变量x的值设置为"Hello World"。
python tkinter
Python tkinter is a standard Python library for creating graphical user interfaces (GUIs). It provides a set of tools and widgets for creating windows, buttons, labels, menus, text boxes, and other GUI elements. It is a cross-platform library that works on Windows, macOS, and Linux.
The tkinter module provides two main classes: Tk and Frame. Tk is the main window or root window of the GUI application, while Frame is a container for other widgets. Other important widgets in tkinter include Label, Entry, Button, Checkbutton, Radiobutton, Menu, and Canvas.
To create a basic tkinter window, you can start with the following code:
```
import tkinter as tk
root = tk.Tk()
# Add widgets here
root.mainloop()
```
This code creates a window with a title bar and a close button, but no other widgets. You can add other widgets by creating instances of the appropriate classes and adding them to the root window or a frame.
Tkinter also provides various event handlers to respond to user actions such as button clicks, mouse movements, and key presses. You can bind these events to functions that perform the desired actions.
Overall, Python tkinter is a powerful and easy-to-use library for creating GUI applications in Python.