Python编程之gui程序实现简单文件浏览器代码

更新时间：2020-05-13 04:18:01 作者：startmvc

本文主要分享了关于在python中实现一个简单的文件浏览器的代码示例，代码及展示如下。#!/

本文主要分享了关于在python中实现一个简单的文件浏览器的代码示例，代码及展示如下。


#!/usr/bin/env python
# -*- coding: UTF-8 -*- 
import os
from time import sleep
from Tkinter import * 

class DirList(object):
 def __init__(self, initdir=None):
 '''构造函数，说明版本信息'''
 self.top = Tk()
 self.label = Label(self.top, 
 text = 'My directory Lister v1.1')
 self.label.pack()
 self.cwd = StringVar(self.top)
 self.dir1 = Label(self.top, 
 fg='blue', font=('Helvetica', 22, 'bold'))
 self.dir1.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('<Double-1>', 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('<Return>', self.doLS)
 self.dirn.pack()
 self.bfm = Frame(self.top)
 self.clr = Button(self.bfm, text='Clear',
 command = self.clrDir,
 activeforeground = 'white',
 activebackground = 'blue')
 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(selectbackground='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.update()
 sleep(2)
 if not (hasattr(self, 'last') \
 and self.last):
 self.last = os.curdir
 self.cwd.set(self.last)
 self.dirs.config(\
 selectbackground='LightSkyBlue')
 self.top.update()
 return
 self.cwd.set(\
 'FETCHING DIRECTORY CONTENTS...')
 self.top.update()
 dirlist = os.listdir(tdir)
 dirlist.sort()
 os.chdir(tdir)
 self.dir1.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()

结果：