类中的按钮未调用功能

如何解决类中的按钮未调用功能

我正在尝试为我正在教的课制作一个GUI应用。

我必须要有几个可以在另一个上方抬起的框架。为此，我对该链接的代码进行了一些修改：

Switch between two frames in tkinter

但是，在称为“地形”的框架和类中，框架内的“保存”按钮将不调用Terrain类中的MySave函数。我将不胜感激。

大多数代码都能正常工作。 buttonave变量是问题开始的地方。

import sys

if sys.version_info.major >= 3:
    from tkinter import *
    import tkinter as tk
else:
    from Tkinter import *
    import Tkinter as tk

from PIL import ImageTk,Image

import os

os.getcwd()
print(os.getcwd())

root = Tk()

class Container:
    def __init__(self,master):
        container = Frame(master)
        container.grid()
        
        self.frames = {}
        for F in (Terrain,Survey,Excavate):
            page_name = F.__name__
            frame = F(parent=container,controller=self)
            self.frames[page_name] = frame

            # put all of the pages in the same location the one on the top of the stacking order will be the one that is visible.
            
            frame.grid(row=0,column=0,sticky="nsew")

        self.show_frame("Terrain")

    def show_frame(self,page_name):
        #Show a frame for the given page name
        frame = self.frames[page_name]
        frame.tkraise()
        print("Oh Boy")

        
        
        
class Terrain(tk.Frame):
    def __init__(self,parent,controller):
        tk.Frame.__init__(self,parent)
        self.controller = controller
        bpream = ".\\Images\\Buttons\\"
        farrow = bpream+"farrow"+".png"
        #farrow = farrow.resize((25,25),Image.ANTIALIAS)
        self.farrow = PhotoImage(file = farrow)
        fbutton = tk.Button(self,image = self.farrow,borderwidth = 0,command=lambda: controller.show_frame("Survey"))        
        fbutton.grid(row = 12,column = 2)
       
         # The Name,Answer and Save Boxes    
        ans = tk.Text(self,width = 30,height = 20,borderwidth = 5)
        ans.grid(row = 1,column = 7,columnspan = 2,rowspan = 5,padx = 10,pady = 10)
        ans.insert(1.0,"Type your answers here")

        buttonsave = tk.Button(self,text = "Save",padx = 20,pady = 5,command = lambda:[self.mySave,self.switch])
        buttonsave.grid(row = 6,column = 8)

        buttonedit = tk.Button(self,text = "Edit",command = self.switch,state = 'disabled')
        buttonedit.grid(row = 6,column = 7)   
        
    # Save the Name and Answers
    def mySave(self):
        print("Why you click me?")
        answer = ans.get("1.0",'end-1c')
        namer = name.get("1.0",'end-1c')
        print(namer)
        print(answer)
        
    #Toggle the Edit and Save Functions
        
    def switch(self):
        print("Who did this?")
        if  buttonsave['state'] == 'normal':
            buttonsave['state'] = 'disabled'
            buttonedit['state'] = 'normal'
            ans['state'] = 'disabled'
            name['state'] = 'disabled'
        else:
            buttonsave['state'] = 'normal'
            buttonedit['state'] = 'disabled'
            ans['state'] = 'normal'
            name['state'] = 'normal'
                        
        
        
        
        
        
        
class Survey(tk.Frame):
    def __init__(self,Image.ANTIALIAS)
        self.farrow = PhotoImage(file = farrow)
        self.fbutton = tk.Button(self,command=lambda: controller.show_frame("Excavate"))        
        self.fbutton.grid(row = 12,column = 2)
        barrow = bpream+"barrow"+".png"
        #barrow = barrow.resize((25,Image.ANTIALIAS)
        self.barrow = PhotoImage(file = barrow)
        self.bbutton = tk.Button(self,image = self.barrow,command=lambda: controller.show_frame("Terrain"))        
        self.bbutton.grid(row = 12,column = 1)  
        
class Excavate(tk.Frame):
    def __init__(self,parent)
        self.controller = controller
        bpream = ".\\Images\\Buttons\\"
        barrow = bpream+"barrow"+".png"
        #barrow = barrow.resize((25,command=lambda: controller.show_frame("Survey"))        
        self.bbutton.grid(row = 12,column = 1)       
        
exc = Container(root)        
root.mainloop() 

解决方法

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