"""开发记事本"""
from tkinter.filedialog import *
from tkinter import *
from tkinter.colorchooser import *
from tkinter.filedialog import *
class Application(Frame):
def __init__(self, master=None):
super().__init__(master) # super()代表的是父类的定义,而不是父类对象
self.master = master
self.textpad = None # textpad 表示 Text 文本框对象
self.pack()
self.createWidget()
def createWidget(self):
# 创建主菜单栏
menubar = Menu(root)
# 创建子菜单
menuFile = Menu(menubar)
menuEdit = Menu(menubar)
menuHelp = Menu(menubar)
# 将子菜单加入到主菜单栏
menubar.add_cascade(label="文件(F)", menu=menuFile)
menubar.add_cascade(label="编辑(E)", menu=menuEdit)
menubar.add_cascade(label="帮助(H)", menu=menuHelp)
# 添加菜单项
menuFile.add_command(label="新建",