擅长:python、mysql、java
<p>如果给了_disable_f2两个参数,让它拥有它想要的。。试试下面。。。
:)</p>
<pre><code>from Tkinter import *
class App:
def _disable_f2(self, master):
if self.filt.get() == 'bandpass':
self.filter_menu.configure(state='normal')
else:
self.filter_menu.configure(state='disabled')
def __init__(self, master):
self.f2var = StringVar()
self.f2var.set('5.0')
self.f2_entry = Entry(master, textvariable=self.f2var,
width=5)
self.f2_entry.pack()
self.filt = StringVar()
self.filt.set('bandpass')
self.filter_menu = OptionMenu(master, self.filt,
'bandpass', 'lowpass ',
'highpass',
command=self._disable_f2)
self.filter_menu.pack(ipadx=50)
root = Tk()
app = App(root)
root.mainloop()
</code></pre>