摘要：桌面編程此程序使用工具完成，首先創建一個項目，然后創建一個文件作者信息本軟件由君惜完成版權信息本軟件版權為君惜所有未命名文件未命名重做撤銷查找創建菜單文件菜單新建打開保存另存為文件關聯編輯菜單撤銷重做剪切復制粘貼查找全選編輯關于作者版權關

#!/usr/bin/env python
# _*_ coding:utf-8 _*_
__author__ = "junxi"

from tkinter import *
from tkinter.messagebox import *
from tkinter.filedialog import *
from tkinter.simpledialog import *
import os

def author():
    showinfo("作者信息", "本軟件由君惜完成")

def about():
    showinfo("版權信息.Copyright", "本軟件版權為君惜所有")

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)
        f = open(filename,"r")
        textPad.insert(1.0, f.read())
        f.close()

def new():
    global filename
    root.title("未命名文件")
    textPad.delete(1.0, END)

def save():
    global filename
    try:
        f = open(filename, "w")
        msg = textPad.get(1.0, END)
        f.write(msg)
        f.close()
    except:
        save_as()

def save_as():
    f = asksaveasfilename(initialfile="未命名.txt", defaultextension=".txt")
    global filename
    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("<>")

def copy():
    textPad.event_generate("<>")

def paste():
    textPad.event_generate("<>")

def redo():     # 重做
    textPad.event_generate("<>")

def undo():     # 撤銷
    textPad.event_generate("<>")

def select_all():
    textPad.tag_add("sel", "1.0", END)

def search():
    topsearch = Toplevel(root)
    topsearch.geometry("300x30+200+250")
    label1 = Label(topsearch, text="Find")
    label1.grid(row=0, column=0, padx=5)
    entry1 = Entry(topsearch, width=20)
    entry1.grid(row=0, column=1, padx=5)
    button1 = Button(topsearch, text="查找")
    button1.grid(row=0, column=2, padx=10)

?

root = Tk()
root.title("junxi note")
root.geometry("800x500+100+100")

# 創建菜單
menubar = Menu(root)
root.config(menu = menubar)

# 文件菜單
filemenu = Menu(menubar)
filemenu.add_command(label="新建", accelerator="Ctrl + N", command=new)
filemenu.add_command(label="打開", accelerator="Ctrl + O", command=openfile)
filemenu.add_command(label="保存", accelerator="Ctrl + S", command=save)
filemenu.add_command(label="另存為", accelerator="Ctrl + Shift + S", command=save_as)
menubar.add_cascade(label= "文件", menu = filemenu)       # 關聯

# 編輯菜單
editmenu = Menu(menubar)
editmenu.add_command(label="撤銷", accelerator="Ctrl + Z", command=undo)
editmenu.add_command(label="重做", accelerator="Ctrl + Y", command=redo)
editmenu.add_separator()
editmenu.add_command(label="剪切", accelerator="Ctrl + X", command=cut)
editmenu.add_command(label="復制", accelerator="Ctrl + C", command=copy)
editmenu.add_command(label="粘貼", accelerator="Ctrl + V", command=paste)
editmenu.add_separator()
editmenu.add_command(label="查找", accelerator="Ctrl + F", command=search)
editmenu.add_command(label="全選", accelerator="Ctrl + A", command=select_all)
menubar.add_cascade(label="編輯", menu = editmenu)

# 關于
aboutmenu = Menu(menubar)
aboutmenu.add_command(label="作者", command=author)
aboutmenu.add_command(label="版權", command=about)
menubar.add_cascade(label="關于", menu = aboutmenu)

# 工具欄
toolbar = Frame(root, height=25, bg="Light sea green")

# 按鈕
shortButton = Button(toolbar, text="打開", command=openfile)
shortButton.pack(side=LEFT, padx=5, pady=5)
shortButton = Button(toolbar, text="保存", command=save)
shortButton.pack(side=LEFT)
toolbar.pack(expand=NO, fill=X)         # 顯示

# 狀態欄
status = Label(root, text="Ln20", bd=1, relief=SUNKEN, anchor=W)
status.pack(side=BOTTOM, fill=X)

# 行號和文本編輯
linelabel = Label(root, width=2, bg="antique white")
linelabel.pack(side=LEFT, fill=Y)
textPad = Text(root, undo=True)
textPad.pack(expand=YES, fill=BOTH)

# 右邊滾動下拉條
scroll = Scrollbar(textPad)
textPad.config(yscrollcommand=scroll.set)
scroll.config(command=textPad.yview)
scroll.pack(side=RIGHT, fill=Y)

root.mainloop()