Python编程之gui程序实现简单文件浏览器代码

 #!/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.<i style="color:transparent">来源gaodai$ma#com搞$$代**码网</i>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('', 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.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()