如何使用 Tkinter 从不同的函数重新分配标签文本

Question

from tkinter import *




# reassigns variables for label and button texts
def Ctrack(vname, vvalue):
    #global vname
    vname = vvalue
    
    #place holder to check which button has been clicked
    print(vname)
    
    #labeltext = reassign label text bas
    
    
# creates labels and buttons
def buttons():
    root = Tk()
    
    #first label
    
    winlabel = Label(root, text =labeltext )
    winlabel.grid(row = 0, column = 1, padx = 10, pady = 10)
    
    #first button
    but1 = Button(root, text = "button 1", command = lambda *args: Ctrack(0, 1))
    but1.grid(row = 0, column = 2, padx = 10, pady = 10)
    
    #second button
    but2 = Button(root, text = "button 2", command = lambda *args: Ctrack(0, 2))
    but2.grid(row = 0, column = 3, padx = 10, pady = 10)
    
    root.mainloop()

buttons()

（第一次使用 Stackoverflow）

如何将按钮函数中的标签文本重新分配给我在 Ctrack 函数中分配的变量？

Answer 1

您可以让 Ctrack() 函数能够在根窗口上发布标签。 如果您采用这种方法，您可以在 Ctrack() 中添加“root”作为参数，然后在 Ctrack() 函数中声明并打包标签。