Python-Tkinter Text输入内容在界面显示的实例

import Tkinter as tk

class Window:
	def __init__(self,handle):
		self.win = handle
		self.createwindow()
		self.run()
		
	def createwindow(self):
		self.win.geometry('400x400')
		#label 1
		self.label_text = tk.StringVar()
		self.label_text.set("----")
		self.lable = tk.Label(self.win,
					textvariable=self.label_text,
					font=('Arial',11),width=15,height=2)
		self.lable.pack()

		#text_contrl
		self.entry_text = tk.StringVar()
		self.entry = tk.Entry(self.win,textvariable=self.entry_text,width=30)
		self.entry.pack()

		#button
		self.button =tk.Button(self.win,text="set label to text",width=15,height=2,command=self.setlabel)
		self.button.pack()

	def setlabel(self):
		print(self.entry_text.get())
		self.label_text.set(self.entry_text.get())

	def run(self):
		try:
			self.win.mainloop()
		except Exception as e:
			print ("*** exception:\n".format(e))
def main():
			window = tk.Tk()
			window.title('hello tkinter')
			Window(window).run()
if __name__ == "__main__":
	main()