如何在 tkinter python 中没有按钮的输入小部件中获取用户输入？

Question

from tkinter import *

root = Tk()

label = Label(root, text="Name:")
label.pack()

e = Entry(root)
e.pack()


root.mainloop()

如何在 tkinter 中没有按钮的输入小部件中获取用户输入？

Answer 1

window = tk.Tk()

username = tk.Entry(window)
username.pack()

def it_has_been_written(*args):
    #what you want to execute when user starts typing something
    pass
username.trace_add("write", it_has_been_written)

window.mainloop()

要查看有关此https 的更多信息：//tkdocs.com/tutorial/widgets.html