from Tkinter import * 
root = Tk() 
root.mainloop() 

root= Tk(className='bitunion') 

from Tkinter import * 
root = Tk(className='bitunion') 
label = Label(root) 
label['text'] = 'be on your own' 
label.pack() 
root.mainloop() 

from Tkinter import * 
root = Tk(className='bitunion') 
label = Label(root) 
label['text'] = 'be on your own' 
label.pack() 
button = Button(root) 
button['text'] = 'change it' 
button.pack() 
root.mainloop() 

from Tkinter import * 
def on_click(): 
  label['text'] = 'no way out' 
root = Tk(className='bitunion') 
label = Label(root) 
label['text'] = 'be on your own' 
label.pack() 
button = Button(root) 
button['text'] = 'change it' 
button['command'] = on_click 
button.pack() 
root.mainloop() 

from Tkinter import * 
def on_click(): 
  label['text'] = text.get() 
 
root = Tk(className='bitunion') 
label = Label(root) 
label['text'] = 'be on your own' 
label.pack() 
text = StringVar() 
text.set('change to what?') 
entry = Entry(root) 
entry['textvariable'] = text 
entry.pack() 
button = Button(root) 
button['text'] = 'change it' 
button['command'] = on_click 
button.pack() 
root.mainloop() 

__author__ = 'fyby' 
from Tkinter import *   #引入Tkinter工具包 
def hello(): 
print('hello world!') 
win = Tk()  #定义一个窗体 
win.title('Hello World')    #定义窗体标题 
win.geometry('400x200')     #定义窗体的大小，是400X200像素 
btn = Button(win, text='Click me', command=hello) 
#注意这个地方，不要写成hello(),如果是hello()的话， 
#会在mainloop中调用hello函数， 
# 而不是单击button按钮时出发事件 
btn.pack(expand=YES, fill=BOTH) #将按钮pack，充满整个窗体(只有pack的组件实例才能显示)   
mainloop() #进入主循环，程序运行  

#-*- encoding=UTF-8 -*-
__author__ = 'fyby'
from Tkinter import *
class App:
def __init__(self, master): 
#构造函数里传入一个父组件(master),创建一个Frame组件并显示 
frame = Frame(master)
frame.pack()
#创建两个button，并作为frame的一部分
self.button = Button(frame, text="QUIT", fg="red", command=frame.quit) 
self.button.pack(side=LEFT) #此处side为LEFT表示将其放置 到frame剩余空间的最左方
self.hi_there = Button(frame, text="Hello", command=self.say_hi)
self.hi_there.pack(side=LEFT)

def say_hi(self):
print "hi there, this is a class example!"

win = Tk()
app = App(win)
win.mainloop()

#-*-encoding=UTF-8-*-
__author__='fyby'
fromTkinterimport*
classApp:
def__init__(self,master):
#构造函数里传入一个父组件(master),创建一个Frame组件并显示
frame=Frame(master)
frame.pack()
#创建两个button，并作为frame的一部分
self.button=Button(frame,text="QUIT",fg="red",command=frame.quit)
self.button.pack(side=LEFT)#此处side为LEFT表示将其放置到frame剩余空间的最左方
self.hi_there=Button(frame,text="Hello",command=self.say_hi)
self.hi_there.pack(side=LEFT)

defsay_hi(self):
print"hithere,thisisaclassexample!"

win=Tk()
app=App(win)
win.mainloop()

#-*- encoding=UTF-8 -*-
__author__ = 'fyby'
from Tkinter import *
root = Tk()
def hello():
print('hello')
def about():
print('我是开发者')
menubar = Menu(root)
#创建下拉菜单File，然后将其加入到顶级的菜单栏中
filemenu = Menu(menubar,tearoff=0)
filemenu.add_command(label="Open", command=hello)
filemenu.add_command(label="Save", command=hello)
filemenu.add_separator()
filemenu.add_command(label="Exit", command=root.quit)
menubar.add_cascade(label="File", menu=filemenu)
#创建另一个下拉菜单Edit
editmenu = Menu(menubar, tearoff=0)
editmenu.add_command(label="Cut", command=hello)
editmenu.add_command(label="Copy", command=hello)
editmenu.add_command(label="Paste", command=hello)
menubar.add_cascade(label="Edit",menu=editmenu)
#创建下拉菜单Help
helpmenu = Menu(menubar, tearoff=0)
helpmenu.add_command(label="About", command=about)
menubar.add_cascade(label="Help", menu=helpmenu)
#显示菜单
root.config(menu=menubar)
mainloop()

def about():
w = Label(root,text="开发者感谢名单\nfuyunbiyi\nfyby尚未出现的女朋友\nhttp://www.programup.com网站")
w.pack(side=TOP)