作用域问题

Wirror

people窗口关闭后显示top没有定义，但是top只是withdraw了
Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Users\Administrator\AppData\Local\Programs\Python\Python38\lib\tkinter\__init__.py", line 1883, in __call__
    return self.func(*args)
  File "G:\login.py", line 85, in show
    top.update()
NameError: name 'top' is not defined
#### b.py中的函数 ####

1. from b import *
   
2. class Application1(Application_ui):
   
3.     #这个类实现具体的事件处理回调函数。界面生成代码在Application_ui中。
   
4.     def __init__(self, master=None):
   
5.         Application_ui.__init__(self, master)
   
6. 
   
7.     def set_Cmd(self, event=None):
   
8.         top.withdraw()
   
9.         people_set()
   
10.     def show(self, event=None):
    
11.         top.update()
    
12.         top.deiconify()
    
13. if __name__ == "__main__":
    
14.     top = Tk()
    
15.     Application1(top).mainloop()

复制代码

#### b.py中的函数 ####

1. from a import *
   
2. def people_set():
   
3.     people = Tk()
   
4.     people.protocol('WM_DELETE_WINDOW', Application1().show)
   
5.     Application(people).mainloop()

复制代码

nahongyan1997

现在能看到的代码看不出什么问题，代码没放全吧。