Question

我对Tkinter很新。我在Tkinter制作了这个类似“Hello World”的GUI程序。但是，每次单击退出按钮时，程序都会崩溃。提前谢谢！

from Tkinter import *
import sys
class Application(Frame):

def __init__(self,master=None):

    Frame.__init__(self,master=None)
    self.grid()
    self.createWidgets()

def createWidgets(self):
    self.quitButton = Button(text='Quit',command=self.quit)#Problem here
    self.quitButton.grid()
app = Application()
app.master.title("Sample application")
app.mainloop()

Answer 1

在Tkinter中，根元素是Tk个对象。 Application应该是Tk的子类，而不是Frame：

from Tkinter import *
import sys

class Application(Tk):
    def __init__(self):
        Tk.__init__(self)
        self.grid()
        self.createWidgets()
    def createWidgets(self):
        self.quitButton = Button(text='Quit',command=self.destroy) # Use destroy instead of quit
        self.quitButton.grid()

app = Application()
app.title("Sample application")
app.mainloop()

Answer 2

此守则现在运作良好：

import tkinter

class MyApp(tkinter.LabelFrame):
    def __init__(self, master=None):
        super().__init__(master, text="Hallo")
        self.pack(expand=1, fill="both")
        self.createWidgets()
        self.createBindings()
    def createWidgets(self):
        self.label = tkinter.Label(self)
        self.label.pack()
        self.label["text"] = "Bitte sende ein Event"
        self.entry = tkinter.Entry(self)
        self.entry.pack()
        self.ok = tkinter.Button(self)
        self.ok.pack()
        self.ok["text"] = "Beenden"
        self.ok["command"] = self.master.destroy
    def createBindings(self):
        self.entry.bind("Entenhausen", self.eventEntenhausen)
        self.entry.bind("<ButtonPress-1>", self.eventMouseClick)
        self.entry.bind("<MouseWheel>", self.eventMouseWheel)
    def eventEntenhausen(self, event):
        self.label["text"] = "Sie kennen das geheime Passwort!"
    def eventMouseClick(self, event):
        self.label["text"] = "Mausklick an Position " \
        "({},{})".format(event.x, event.y)
    def eventMouseWheel(self, event):
        if event.delta < 0:
            self.label["text"] = "Bitte bewegen Sie das Mausrad"\
            " in die richtige Richtung."
        else:
            self.label["text"] = "Vielen Dank!"

root = tkinter.Tk()
app = MyApp(root)
app.mainloop()

Answer 3

使用AmazonS3Client client = new AmazonS3Client(); ListBucketsResponse response = client.ListBuckets(); Console.WriteLine("Canonical user ID - {0}", response.Owner.Id);时，python解释器关闭，而tkinter应用程序关闭。因此，请尝试self.quit()命令并在.destroy()之后使用.mainloop()。希望这会有所帮助。

Answer 4

您难以使用__init__。这样做：

from tkinter import *
root = Tk()

btn_quit = Button(root, text='Quit', command=quit()).pack()
root.mainloop()

如果你执行self.quit，那就是quit命令，这样东西就会崩溃！希望这有帮助！

Answer 5

尝试使用raise SystemExit 这可能更好。或查看me

tkinter退出崩溃

5 个答案: