Python中使用Tkinter模块创建GUI程序实例

使用Tkinter模块来创建简单的GUI程序。

Tkinter的Widgets有：Button、Canvas、Checkbutton、Entry、Frame、Label、Listbox、Menu、Menubutton、Message、Radiobutton、Scales、Scrollbar、TEXT、Toplevel等。

例：
代码如下:
# This program displays an empty window.
import Tkinter
def main():
  main_window = Tkinter.Tk()
  Tkinter.mainloop()
main()

例2：
代码如下:
import Tkinter
class MyGUI:
  def __init__(self):
  # Create the main window widget.
  self.main_window = Tkinter.Tk()
  
  # Enter the Tkinter main loop.
  Tkinter.mainloop()
# Create an instance of the MyGUI class.
my_gui = MyGUI()

例3：
代码如下:
# The program displays a label with text.
import Tkinter
class MyGUI:
  def __init__(self):
  self.main_window = Tkinter.Tk()
  # Create a Label widget containing the text 'Hello world'
  self.label = Tkinter.Label(self.main_window, text='Hello World!')
  # Call the Label widget's pack method.
  self.label.pack()
  # Enter the Tkinter main loop.
  Tkinter.mainloop()
# Create an instance of the MyGUI class.
my_gui = MyGUI()

例4：
代码如下:
import Tkinter
class MyGUI:
  def __init__(self):
  self.main_window = Tkinter.Tk()
  self.label1 = Tkinter.Label(self.main_window,text='Hello World!')
  self.label2 = Tkinter.Label(self.main_window,text='This is my GUI program.')
  self.label1.pack()
  self.label2.pack()
  Tkinter.mainloop()
mygui = MyGUI()

例5：
代码如下:
import Tkinter
class MyGUI:
  def __init__(self):
  self.main_window = Tkinter.Tk()
  self.label1 = Tkinter.Label(self.main_window,text='Hello World!')
  self.label2 = Tkinter.Label(self.main_window,text='This is my GUI program.')
  self.label1.pack(side='left')
  self.label2.pack(side='left')
  Tkinter.mainloop()
mygui = MyGUI()

例6：
代码如下:
import Tkinter
class MyGUI:
  def __init__(self):
  self.main_window = Tkinter.Tk()
  self.top_frame = Tkinter.Frame(self.main_window)
  self.bottom_frame = Tkinter.Frame(self.main_window)
  self.label1 = Tkinter.Label(self.top_frame,text='Winken')
  self.label2 = Tkinter.Label(self.top_frame,text='Blinken')
  self.label3 = Tkinter.Label(self.top_frame,text='Nod')
  
  self.label1.pack(side='top')
  self.label2.pack(side='top')
  self.label3.pack(side='top')
  
  self.label4 = Tkinter.Label(self.bottom_frame,text='Winken')
  self.label5 = Tkinter.Label(self.bottom_frame,text='Blinken')