Python 基于TK 文本编辑器

 #coding=utf-8

 import sys,os

 import tkFileDialog

 from Tkinter import *

 from tkFont import Font

 print "欢迎使用编辑器: ", str(sys.argv[0])[:-3]

 class Write():

     def __init__(self):

          self.tk=Tk()

          if len(sys.argv[0])>=2:

              fname=self.fname=sys.argv[1]

          else:

              fname=self.fname='new.txt'

          self.createUI(fname)

          self.tk.mainloop()

     def createUI(self,fname):

          #create menu

          menubar=Menu(self.tk,bg='purple')

          fmenu=Menu(menubar,tearoff=0)

          fmenu.add_command(label='Open',command=self.open)

          fmenu.add_command(label='Save',command=self.save)

          fmenu.add_command(label='Exit',command=exit)

          menubar.add_cascade(label="File", menu=fmenu)

          self.tk.title("Welcome to writer!")

          self.tk.geometry("800x600")

          self.tk.config(menu=menubar,background="gray",borderwidth = 8)

          #l =

          self.txt=Text(width=6000,height=6000,font=Font(self.tk,size=14))

          with open(fname) as f:

              content = f.read()

              f.close()

              print content

          filecontent=content

          #self.txt.delete(1.0,END)

          self.txt.insert(INSERT,filecontent)

          self.txt.pack()

     def save(self):

        txtContent = self.txt.get(1.0,END)

        self.saveFile(content=txtContent)

     def open(self):

          self.filename = tkFileDialog.askopenfilename(initialdir = os.getcwd())

          filecontent=self.openFile(fname=self.filename)

          if filecontent is not -1:

               self.text.delete(1.0,END)

               self.text.insert(1.0,filecontent)

     def openFile(self,fname=None):

          if fname is None:

               return -1

          self.fname = fname

          file = open(fname,'r+')

          content = file.read()

          file.close()

          return content

     def saveFile(self,content=None):

          if content is None:

               return -1

          file=open(self.fname,'w')

          file.write(content)

          file.flush()

          file.close()

          return 0

     def exit(self):

          sys.exit(0)

 if __name__ == '__main__':

     if len(sys.argv)>=2:

         Write()

     else:

         print "请加上需要编辑的文件名,例:python %s new.txt"%sys.argv[0]