#!/usr/bin/env python #-*- coding: utf-8 -*- #============================================================================= #     FileName: #         Desc: #       Author: ToughGuy #      Version: 0.0.1 #   LastChange: 2013-02-20 14:52:11 #      History: #============================================================================= from Tkinter import * import tkMessageBox,tkFileDialog import platform # nl = os.linesep def openfile():     global filename             # 使用global声明为全局变量，方便后边的程序调用     systype = platform.system() # 判断系统类型     if systype == 'windows':         basedir = 'c:\'     else:         basedir = '/'     filename = tkFileDialog.askopenfilename(initialdir=basedir)     try:         fobj_r = open(filename, 'r')     except IOError, errmsg:         print '*** Failed open file:', errmsg     else:         editbox.delete(1.0, END)         for eachline in fobj_r:             editbox.insert(INSERT, eachline)         fobj_r.close() def savefile():     save_data = editbox.get(1.0, END)     try:         fobj_w = open(filename, 'w')         fobj_w.writelines(save_data.encode('utf-8'))         fobj_w.close()         tkMessageBox.showinfo(title='提示',                 message='保存成功')     except IOError, errmsg:         tkMessageBox.showwarning(title='保存失败', message='保存出错    ')         tkMessageBox.showwarning(title='错误信息', message=errmsg)     except NameError:         tkMessageBox.showwarning(title='保存失败', message='未打开文件') def showlinenum():     tkMessageBox.showinfo(title='提示',             message='这个功能作者现在不会写,放这里装饰用的.') def destroy_ui(ui):     ui.destroy() def aboutauthor():     author_ui = Toplevel()     author_ui.title('关于')     author_ui.geometry('200x80')     about_string = Label(author_ui,             text="作者: ToughGuy")     confirmbtn = Button(author_ui, text='确定',             command=lambda:destroy_ui(author_ui))     about_string.pack()     confirmbtn.pack()     # author_ui.mainloop() def CreateMenus():     # 初始化菜单     Menubar = Menu(root)     # 创建文件菜单     filemenu = Menu(Menubar, tearoff=0)     filemenu.add_command(label='打开文件', command=openfile)     filemenu.add_command(label='保存文件', command=savefile)     filemenu.add_command(label='退出', command=lambda:destroy_ui(root))     Menubar.add_cascade(label='文件', menu=filemenu)     # 创建编辑菜单     editmenu = Menu(Menubar, tearoff=0)     editmenu.add_command(label='显示行号', command=showlinenum)     Menubar.add_cascade(label='编辑', menu=editmenu)     # 创建帮助菜单     helpmenu = Menu(Menubar, tearoff=0)     helpmenu.add_command(label='关于作者', command=aboutauthor)     Menubar.add_cascade(label='帮助', menu=helpmenu)     root.config(menu=Menubar) root = Tk() root.title('文本编辑器') root.geometry('500x400') CreateMenus() editbox = Text(root, width=70, height=25, bg='white') editbox.pack(side=TOP, fill=X) root.mainloop()