我想在tk.Button子类中添加一个kwarg。我的想法是,我希望能够在此子类的每个按钮上添加一个数字,并且以后可以调用该数字。
import tkinter as tk
class Test(tk.Tk):
def __init__(self, tasks=None):
super().__init__()
self.title("Test")
self.geometry("400x600")
self.container = tk.Frame(self)
self.container.pack()
self.button1 = My_buttons(self.container, text="Button 1", number=1).grid(row=0, column=0)
print(self.button1.index) #here is where I would like to be able to print 1
class My_buttons(tk.Button):
def __init__(self, parent, *args, **kwargs):
super(My_buttons, self).__init__(parent, *args, **kwargs)
self.number = kwargs.pop("number")
if __name__ == "__main__":
test = Test()
test.mainloop()
上面只是告诉我,我有一个“ _tkinter.TclError:未知选项” -number“”错误。任何帮助将不胜感激!谢谢!
在My_buttons
类中,将self.number = kwargs.pop("number")
移到呼叫super()
之前。这样,您就不会将number
关键字参数传递给Button
构造函数。
此外,您应该分割:
self.button1 = My_buttons(self.container, text="Button 1", number=1).grid(row=0, column=0)
进入:
self.button1 = My_buttons(self.container, text="Button 1", number=1)
self.button1.grid(row=0, column=0)
而且我想将print(self.button1.index)
替换为print(self.button1.number)
。