我想将绑定Start_Button
有2个可选功能:
如果Choice_1_Button
点击,然后Start_Button
,该Start_Button
应该调用foo1
。 但是,当用户点击Choice_2_Button
那么同样的Start Button
应该叫foo2
。
这是我目前拥有的代码:
from tkinter import *
root=Tk()
Choice_1_Button=Button(root, text='Choice 1', command=something) #what should it do?
Choice_2_Button=Button(root, text='Choice 2', command=something_else)
Start_Button=Button(root, text='Start', command=if_something) #and what about this?
有谁知道是什么something
, something_else
和if-something
应该怎么办?
下面的代码跟踪他们按下了什么:
choice=None
def choice1():
global choice
choice='Choice 1'
def choice2():
global choice
choice='Choice 2'
def start():
global choice
if choice=='Choice 1':
foo1()
elif choice=='Choice 2':
foo2()
else:
#do something else since they didn't press either
通过choice1
作为命令Choice_1_Button
, choice2
作为命令Choice_2_Button
,并start
为Start_Button
。
如果你想使用单选按钮,它会更容易:
def start(choice):
if choice=='Choice 1':
foo1()
elif choice=='Choice 2':
foo2()
else:
#do something else since they didn't press either
var=StringVar(root)
var.set(None)
Radiobutton(root, text='Choice 1', value='Choice 1', variable=var).pack()
Radiobutton(root, text='Choice 2', value='Choice 2', variable=var).pack()
Button(self.frame, text='Start', command=lambda: start(var.get())).pack()