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代码如下：

#!/usr/bin/env python

#codec='utf-8'

import os

from time import sleep

from Tkinter import *

class DirList(object):

def __init__(self,initdir=None):

self.top=Tk()

self.label = Label(self.top,

text='Dirctory Lister v1.1')

self.label.pack()

self.cwd = StringVar(self.top)

self.dirl = Label(self.top,fg='blue',

font=('Helvetica',12,'bold'))

self.dirl.pack()

self.dirfm = Frame(self.top)

self.dirsb = Scrollbar(self.dirfm)

self.dirsb.pack(side=RIGHT, fill=Y)

self.dirs=Listbox(self.dirfm,height=15,

width=50,yscrollcommand=self.dirsb.set)

self.dirs.bind('',self.setDirAndGo)

self.dirsb.config(command=self.dirs.yview)

self.dirs.pack(side=LEFT,fill=BOTH)

self.dirfm.pack()

self.dirn = Entry(self.top,width=50,

textvariable=self.cwd)

self.dirn.bind('',self.doLS)

self.dirn.pack()

self.bfm = Frame(self.top)

self.clr = Button(self.bfm,text='Clear',

command=self.doLS,

activeforeground='white',

activebackground='green')

self.ls = Button(self.bfm,text='List Directory',

command=self.doLS,

activeforeground='white',

activebackground='green')

self.quit = Button(self.bfm,text='Quit',

command=self.top.quit,

activeforeground='white',

activebackground='red')

self.clr.pack(side=LEFT)

self.ls.pack(side=LEFT)

self.quit.pack(side=LEFT)

self.bfm.pack()

if initdir:

self.cwd.set(os.curdir)

self.doLS()

def clrDir(self,ev=None):

self.cwd.set('')

def setDirAndGo(self,ev=None):

self.last=self.cwd.get()

self.dirs.config(selecbackground='red')

check=self.dirs.get(self.dirs.curselection())

if not check:

check = os.curdir

self.cwd.set(check)

self.doLS()

def doLS(self,ev=None):

error=''

tdir=self.cwd.get()

if not tdir:

tdir=os.curdir

if not os.path.exists(tdir):

error = tdir + ':no such file'

elif not os.path.isdir(tdir):

error =tdir+':not a directory'

if error:

self.cwd.set(error)

self.top.upateo()

sleep(2)

if not (hastrrr(self,'last')\

and self.self.last):

self.last = os.curdir

self.cwd.set(self.last)

self.dirs.config(\

selectbackground='LightSkyBlue')

self.top.update()

return

self.cwd.set('FETCHING DIRCTORY CONTENTS...')

self.top.update()

dirlist=os.listdir(tdir)

dirlist.sort()

os.chdir(tdir)

self.dirl.config(text=os.getcwd())

self.dirs.delete(0,END)

self.dirs.insert(END,os.curdir)

self.dirs.insert(END,os.pardir)

for eachFile in dirlist:

self.dirs.insert(END,eachFile)

self.cwd.set(os.curdir)

self.dirs.config(\

selectbackground='LightSkyBlue')

def main():

d = DirList(os.curdir)

mainloop()

if __name__=='__main__':

main()