<p>您应该至少使用一个框架来分组所有左按钮,并使用另一个框架来分组退出按钮,如以下代码所示:</p>
<pre><code>import Tkinter
from ttk import Frame, Button, Style
class KarateSyllabus(Frame):
"""A program that displays karate grading syllabi"""
#define the constructor
def __init__(self, parent):
Frame.__init__(self, parent)
self.parent = parent
self.initUI()
#define the GUI
def initUI(self):
#define the basic parameters of the window
self.parent.title("Karate Syllabus")
self.style = Style()
self.style.theme_use("default")
#self.parent.geometry("500x500")
self.parent.config(background = "black")
self.parent.wm_iconbitmap("favicon.ico")
self.grid(sticky=Tkinter.NSEW)
button_panel = Frame(self)
#create the buttons for the syllabus
button1 = Tkinter.Button(button_panel, text="White Belt", bg="white", height=1, width =10).grid(row=0, column=0, pady=4, padx=10, sticky=Tkinter.N)
button2 = Tkinter.Button(button_panel, text="Red Belt", bg="red", height=1, width =10).grid(row=1, column=0, pady=4, padx=10, sticky=Tkinter.N)
button3 = Tkinter.Button(button_panel, text="Orange Belt", bg="orange", height=1, width =10).grid(row=2, column=0, pady=4, padx=10, sticky=Tkinter.N)
button4 = Tkinter.Button(button_panel, text="Yellow Belt", bg="yellow", height=1, width =10).grid(row=3, column=0, pady=4, padx=10, sticky=Tkinter.N)
button5 = Tkinter.Button(button_panel, text="Green Belt", bg="green", height=1, width =10).grid(row=4, column=0, pady=4, padx=10, sticky=Tkinter.N)
button6 = Tkinter.Button(button_panel, text="Purple Belt", bg="purple", height=1, width =10).grid(row=5, column=0, pady=4, padx=10, sticky=Tkinter.N)
button7 = Tkinter.Button(button_panel, text="Brown Belt", bg="brown", height=1, width =10).grid(row=6, column=0, pady=4, padx=10, sticky=Tkinter.N)
button8 = Tkinter.Button(button_panel, text="Black Belt", bg="black", height=1, width =10, foreground="white").grid(row=7, column=0, pady=2, padx=10, sticky=Tkinter.N)
button_panel.grid(row=0, column=0, rowspan=3, sticky=Tkinter.N)
#create the three text areas to display the text and according labels
BasicsLabel = Tkinter.Label(self, text="Basics:").grid(row=0, column=1, sticky=Tkinter.N)
BasicTextArea = Tkinter.Text(self, width=50, height=6, takefocus=0)
BasicTextArea.grid(row=0, column=2, padx=10, pady=2, sticky=Tkinter.NSEW)
BasicTextArea.config(font=("Arial",10), bg="grey", wrap=Tkinter.WORD)
KataLabel = Tkinter.Label(self, text="Kata:").grid(row=1, column=1, sticky=Tkinter.N)
KataTextArea = Tkinter.Text(self, width=50, height=6, takefocus=0)
KataTextArea.grid(row=1, column=2, padx=10, pady=2, sticky=Tkinter.NSEW)
KataTextArea.config(font =("Arial",10), bg="grey")
KumiteLabel = Tkinter.Label(self, text="Kumite:").grid(row=2, column=1, sticky=Tkinter.N)
KumiteTextArea = Tkinter.Text(self, width=50, height=6, takefocus=0)
KumiteTextArea.grid(row=2, column=2, padx=10, pady=2, sticky=Tkinter.NSEW)
KumiteTextArea.config(font=("Arial",10), bg="grey")
#create the second frame for the bottom with the close button
close_frame = Tkinter.Frame(self, relief=Tkinter.RAISED, borderwidth=2)
close_frame.grid(row=3, column=0, columnspan=3, sticky=Tkinter.EW)
close_frame.columnconfigure(0, weight=1)
closeButton = Tkinter.Button(close_frame, text="Exit", command=self.quit)
# Move 'Exit' to the right. Comment out next line to leave it centered.
closeButton.grid(sticky=Tkinter.E)
self.rowconfigure(0, weight=1)
self.rowconfigure(1, weight=1)
self.rowconfigure(2, weight=1)
# Leave row 3 (close_frame) non-expandable.
# Leave columns 1 and 2 (button_panel and labels) non-expandable.
self.columnconfigure(2, weight=1)
self.parent.rowconfigure(0, weight=1)
self.parent.columnconfigure(0, weight=1)
def main():
root = Tkinter.Tk()
app = KarateSyllabus(root)
root.mainloop()
if __name__ == '__main__':
main()
</code></pre>