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()