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我有一個主窗口,通過點擊RFFE打開另一個窗口,在這個窗口內我有一個組合框,其中包含'Fix pattern'和'Random Pattern',它是連接到打印按鈕,但每次我點擊打印它出現錯誤var沒有定義請幫助。我的命令不工作,錯誤var沒有定義
from Tkinter import *
from ttk import *
class Main(Frame):
def __init__(self, *args, **kwargs):
Frame.__init__(self, *args, **kwargs)
RFFE = Button(self, text="RFFE", command=self.rffe_button)
RFFE.pack()
quit = Button(self, text="QUIT", command=self.quit)
quit.pack()
def rffe_button(self):
var = RFFE()
def RFFE():
Up = Toplevel()
Up.geometry('470x280')
top_label = Label(Up, text='RFFE', font=('calibri', (14))).pack()
var = StringVar()
Sequence_menu_label = Label(Up, text='Trigger Sequences', font=('calibri', (14))).pack()
Sequence_menu = OptionMenu(Up, var, 'Select','Fix pattern','Random Pattern').pack()
var.set('Select')
Print = Button(Up, text='Print',command=callback).pack()
def callback():
print "You've selected: " + var.get()
if __name__ == "__main__":
root = Tk()
Main(root).pack(side="top", fill="both", expand=True)
root.mainloop()