Question

虽然我是其他语言的一种实验程序员，但我是Python的新手。我一直试图做一个非常简单的事情，就是在开始后退出主循环。这似乎是一个大问题。以下程序仅生成一系列事件。一切似乎都在起作用，但我无法关闭最终的窗口......我该怎么办？

from Tkinter import *

root=Tk()
theMainFrame=Frame(root)
theMainFrame.pack()



class CloseAfterFinishFrame1(Frame): # Diz que herda os parametros de Frame
    def __init__(self):
        Frame.__init__(self,theMainFrame) # Inicializa com os parametros acima!!
        Label(self,text="Hi",font=("Arial", 16)).pack()
        button = Button (self, text = "I am ready", command=self.CloseWindow,font=("Arial", 12))
        button.pack()            
        self.pack()

    def CloseWindow(self):
        self.forget()
        CloseAfterFinishFrame2()



class CloseAfterFinishFrame2(Frame): # Diz que herda os parametros de Frame
    def __init__(self):
        Frame.__init__(self,theMainFrame) # Inicializa com os parametros acima!!
        Label(self,text="Hey",font=("Arial", 16)).pack()
        button = Button (self, text = "the End", command=self.CloseWindow,font=("Arial", 12))
        button.pack()
        self.pack()        
    def CloseWindow(self):
        self.forget()
        CloseEnd()


class CloseEnd():
    theMainFrame.quit()



CloseAfterFinishFrame1()

theMainFrame.mainloop()

Answer 1

致电root.quit()，而不是theMainFrame.quit：

import Tkinter as tk

class CloseAfterFinishFrame1(tk.Frame):  # Diz que herda os parametros de Frame
    def __init__(self, master):
        self.master = master
        tk.Frame.__init__(self, master)  # Inicializa com os parametros acima!!
        tk.Label(self, text="Hi", font=("Arial", 16)).pack()
        self.button = tk.Button(self, text="I am ready",
                           command=self.CloseWindow, font=("Arial", 12))
        self.button.pack()
        self.pack()

    def CloseWindow(self):
        # disable the button so pressing <SPACE> does not call CloseWindow again
        self.button.config(state=tk.DISABLED)
        self.forget()
        CloseAfterFinishFrame2(self.master)

class CloseAfterFinishFrame2(tk.Frame):  # Diz que herda os parametros de Frame
    def __init__(self, master):
        tk.Frame.__init__(self, master)  # Inicializa com os parametros acima!!
        tk.Label(self, text="Hey", font=("Arial", 16)).pack()
        button = tk.Button(self, text="the End",
                           command=self.CloseWindow, font=("Arial", 12))
        button.pack()
        self.pack()

    def CloseWindow(self):
        root.quit()

root = tk.Tk()
CloseAfterFinishFrame1(root)
root.mainloop()

此外，如果您只想调用函数CloseEnd，则无需创建类root.quit。

退出python中的mainloop

1 个答案: