代码如下:
#!/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,tkfiledialogimport 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(‘200×80′) 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(‘500×400′)createmenus()editbox = text(root, width=70, height=25, bg=’white’)editbox.pack(side=top, fill=x)root.mainloop()