记事本源代码 python3

已实现基本功能，显示行号功能暂时实现不了（后面学会了再加，右下角可以实现定位光标所在行.列） 可能会有些bug

  1 from tkinter import *
 from tkinter.messagebox import *
 from tkinter.filedialog import *
 from threading import Timer
 import string

 #定义一个添加菜单的类，想加什么菜单直接调用即可,副作用是没法加分隔线
 class menuNameAccCom:
     def __init__(self,menuname,menucom,menuacc):
         self.menuname=menuname
         self.menuacc=menuacc
         self.menucom=menucom

     def addmenu(self,wigetName):
         for (name,com,acc) in (zip(self.menuname,self.menucom,self.menuacc)):
             wigetName.add_command(label=name,accelerator=acc,command=com)

 filename=''
 def openfile():
     global filename
     filename = askopenfilename(defaultextension='.txt')
     if filename == '':
         filename = None
     else:
         root.title('FileName:'+os.path.basename(filename))
         textPad.delete(1.0,END)#delete all
         f = open(filename,'r')
         textPad.insert(1.0,f.read())
         f.close()

 def newfile():
     global FileName
     root.title('new file')
     filename = None
     textPad.delete(1.0,END)

 def savefile():
     global filename
     try:
         f = open(filename,'w')
         msg = textPad.get(1.0,END)
         f.write(msg)
         f.close()
     except:
         saveas()

 def saveas():
     global filename
     f = asksaveasfilename(initialfile = 'newfile',defaultextension ='.txt')
     filename = f
     fh = open(f,'w')
     msg = textPad.get(1.0,END)
     fh.write(msg)
     fh.close()
     root.title('FileName:'+os.path.basename(f))

 def cut():
     textPad.event_generate('<<Cut>>')

 def copy():
     textPad.event_generate('<<Copy>>')

 def paste():
     textPad.event_generate('<<Paste>>')

 def redo():
     textPad.event_generate('<<Redo>>')

 def undo():
     textPad.event_generate('<<Undo>>')

 def selectall():
     textPad.tag_add('sel',1.0,END)

 def search():
     topsearch=Toplevel(root)
     topsearch.geometry('300x30+200+250')
     labell=Label(topsearch,text='find')
     labell.grid(row=0,column=0,padx=5)
     entry1=Entry(topsearch,width=28)
     entry1.grid(row=0,column=1,padx=5)
     button1=Button(topsearch,text='find')
     button1.grid(row=0,column=2)

 def addButton(name,command):
     for (toolname ,toolcom) in zip(name,command):
         shortButton = Button(toolbar,text=toolname,relief='groove',command=toolcom)
         shortButton.pack(side=LEFT,padx=2,pady=5)

 root = Tk()
 root.title('Andy Note')
 root.geometry('800x500+100+100')

 menubar = Menu(root)
 root.config(menu= menubar)

 #文件菜单
 filemenu = Menu(menubar,tearoff=False)
 filemenuName = ('New','Open','Save','Save as')
 filemenuAcc = ('Ctrl+N','Ctrl+O','Ctrl+S','Ctrl+Shift+S')
 filemenuCom = (newfile,openfile,savefile,saveas)

 filem = menuNameAccCom(filemenuName,filemenuCom,filemenuAcc)#调用添加菜单的类
 filem.addmenu(filemenu)
 menubar.add_cascade(label='File',menu=filemenu)

 #编辑菜单
 editmenu = Menu(menubar,tearoff=False)
 editmenuName = ('Undo','Redo','Cut','Copy','Paste','Select All')
 editmenuAcc = ('Ctrl+Z','Ctrl+Y','Ctrl+X','Ctrl+C','Ctrl+V','Ctrl+A')
 editmenuCom = (undo,redo,cut,copy,paste,selectall)

 editm = menuNameAccCom(editmenuName,editmenuCom,editmenuAcc)#调用添加菜单的类
 editm.addmenu(editmenu)
 menubar.add_cascade(label='Edit',menu=editmenu)

 findmenu = Menu(menubar,tearoff=False)
 findmenu.add_command(label='Find',accelerator='Ctrl+F',command=search)
 menubar.add_cascade(label='Find',menu=findmenu)

 #按钮
 toolbar = Frame(root,height=20)
 toolbarName = ('New','Open','Save','SaveAs','Undo','Redo','Cut','Copy','Paste','SelectAll')
 toolbarCommand = (newfile,openfile,savefile,saveas,undo,redo,cut,copy,paste,selectall)

 addButton(toolbarName,toolbarCommand) #调用添加按钮的函数
 toolbar.pack(fill=X)

 text = Text(root,width=4,wrap=CHAR,height=1)
 text.pack(side=LEFT,fill=Y)

 textPad = Text(root,undo=True)
 textPad.pack(expand=YES,fill=BOTH)
 textPad.focus_set()

 scroll = Scrollbar(textPad)
 textPad.config(yscrollcommand=scroll.set)
 scroll.config(command=textPad.yview)
 scroll.pack(side=RIGHT,fill=Y)

 timer_interval = 1
 def getline():
     global t,row
     row,col = textPad.index(INSERT).split('.')
     lineNum = 'Ln:  ' +row+'   '+'Co:  '+col
     var.set(lineNum)

     t = Timer(timer_interval,getline)
     t.start()
 t = Timer(timer_interval,getline)
 t.start()

 var = StringVar()
 status = Label(root,anchor=E,height=1,text='Ln',relief=FLAT,takefocus=False,textvariable=var,padx=2)
 status.pack(fill=X)

 mainloop()