这是一个简单的记事本，使用Python编写。
在网上也有很多的相关代码，发现不是这里有问题，就是那里有问题，要么就是功能太简单。
这个是我参考网上相关代码，增删debug后的一个可用版本，仅供参考。
下面是一个效果图
下面是源代码
1 # -*- coding: utf-8 -*-
2 # @Time : 2019/5/1
3 # @Author : water66
4 # @Site :
5 # @File : notepad.py
6 # @Version : 1.0
7 # @Python Version : 3.6
8 # @Software: PyCharm
9
10
11 from tkinter import *
12 from tkinter.filedialog import *
13 from tkinter.messagebox import *
14 from tkinter import scrolledtext
15 import os
16
17 filename=''
18
19
20 def author():
21 showinfo(title="作者", message="water66")
22
23
24 def power():
25 showinfo(title="版权信息", message="water66")
26
27
28 def new_file(*args):
29 global top, filename, textPad
30 top.title("未命名文件")
31 filename = None
32 textPad.delete(1.0, END)
33
34
35 def open_file(*args):
36 global filename
37 filename = askopenfilename(defaultextension=".txt")
38 if filename == "":
39 filename = None
40 else:
41 top.title(""+os.path.basename(filename))
42 textPad.delete(1.0, END)
43 f = open(filename, 'r', encoding="utf-8")
44 textPad.insert(1.0, f.read())
45 f.close()
46
47
48 def click_open(event):
49 global filename
50 top.title("" + os.path.basename(filename))
51 textPad.delete(1.0, END)
52 f = open(filename, 'r', encoding="utf-8")
53 textPad.insert(1.0, f.read())
54 f.close()
55
56
57 def save(*args):
58 global filename
59 try:
60 f=open(filename, 'w', encoding="utf-8")
61 msg=textPad.get(1.0, 'end')
62 f.write(msg)
63 f.close()
64 except:
65 save_as()
66
67
68 def save_as(*args):
69 global filename
70 f = asksaveasfilename(initialfile="未命名.txt", defaultextension=".txt")
71 filename = f
72 fh = open(f, 'w', encoding="utf-8")
73 msg = textPad.get(1.0, END)
74 fh.write(msg)
75 fh.close()
76 top.title(""+os.path.basename(f))
77
78
79 def rename(newname):
80 global filename
81 name = os.path.basename(os.path.splitext(filename)[0])
82 oldpath = filename
83 newpath = os.path.dirname(oldpath)+'/'+newname+'.txt'
84 os.rename(oldpath, newpath)
85 filename = newpath
86 refresh()
87
88
89 def rename_file(*args):
90 global filename
91 t = Toplevel()
92 t.geometry("260x80+200+250")
93 t.title('重命名')
94 frame = Frame(t)
95 frame.pack(fill=X)
96 lable = Label(frame, text="文件名")
97 lable.pack(side=LEFT, padx=5)
98 var = StringVar()
99 e1 = Entry(frame, textvariable=var)
100 e1.pack(expand=YES, fill=X, side=RIGHT)
101 botton = Button(t, text="确定", command=lambda: rename(var.get()))
102 botton.pack(side=BOTTOM, pady=10)
103
104
105 def delete(*args):
106 global filename, top
107 choice = askokcancel('提示', '要执行此操作吗')
108 if choice:
109 if os.path.exists(filename):
110 os.remove(filename)
111 textPad.delete(1.0, END)
112 top.title("记事本")
113 filename = ''
114
115
116 def cut():
117 global textPad
118 textPad.event_generate("<<Cut>>")
119
120
121 def copy():
122 global textPad
123 textPad.event_generate("<<Copy>>")
124
125
126 def paste():
127 global textPad
128 textPad.event_generate("<<Paste>>")
129
130
131 def undo():
132 global textPad
133 textPad.event_generate("<<Undo>>")
134
135
136 def redo():
137 global textPad
138 textPad.event_generate("<<Redo>>")
139
140
141 def select_all():
142 global textPad
143 textPad.tag_add("sel", "1.0", "end")
144
145
146 def find(*agrs):
147 global textPad
148 t = Toplevel(top)
149 t.title("查找")
150 t.geometry("260x60+200+250")
151 t.transient(top)
152 Label(t, text="查找：").grid(row=0, column=0, sticky="e")
153 v = StringVar()
154 e = Entry(t, width=20, textvariable=v)
155 e.grid(row=0, column=1, padx=2, pady=2, sticky="we")
156 e.focus_set()
157 c = IntVar()
158 Checkbutton(t, text="不区分大小写", variable=c).grid(row=1, column=1, sticky='e')
159 Button(t, text="查找所有", command=lambda: search(v.get(), c.get(), textPad, t, e)).grid\
160 (row=0, column=2, sticky="e"+"w", padx=2, pady=2)
161
162 def close_search():
163 textPad.tag_remove("match", "1.0", END)
164 t.destroy()
165 t.protocol("WM_DELETE_WINDOW", close_search)
166
167
168 def mypopup(event):
169 global editmenu
170 editmenu.tk_popup(event.x_root, event.y_root)
171
172
173 def search(needle, cssnstv, textPad, t, e):
174 textPad.tag_remove("match", "1.0", END)
175 count = 0
176 if needle:
177 start = 1.0
178 while True:
179 pos = textPad.search(needle, start, nocase=cssnstv, stopindex=END)
180 if not pos:
181 break
182 strlist = pos.split('.')
183 left = strlist[0]
184 right = str(int(strlist[1])+len(needle))
185 lastpos = left+'.'+right
186 textPad.tag_add("match", pos, lastpos)
187 count += 1
188 start = lastpos
189 textPad.tag_config('match', background="yellow")
190 e.focus_set()
191 t.title(str(count)+"个被匹配")
192
193
194 def refresh():
195 global top, filename
196 if filename:
197 top.title(os.path.basename(filename))
198 else:
199 top.title("记事本")
200
201
202 top = Tk()
203 top.title("记事本")
204 top.geometry("640x480+100+50")
205
206 menubar = Menu(top)
207
208 # 文件功能
209 filemenu = Menu(top)
210 filemenu.add_command(label="新建", accelerator="Ctrl+N", command=new_file)
211 filemenu.add_command(label="打开", accelerator="Ctrl+O", command=open_file)
212 filemenu.add_command(label="保存", accelerator="Ctrl+S", command=save)
213 filemenu.add_command(label="另存为", accelerator="Ctrl+shift+s", command=save_as)
214 filemenu.add_command(label="重命名", accelerator="Ctrl+R", command=rename_file)
215 filemenu.add_command(label="删除", accelerator="Ctrl+D", command=delete)
216 menubar.add_cascade(label="文件", menu=filemenu)
217
218 # 编辑功能
219 editmenu = Menu(top)
220 editmenu.add_command(label="撤销", accelerator="Ctrl+Z", command=undo)
221 editmenu.add_command(label="重做", accelerator="Ctrl+Y", command=redo)
222 editmenu.add_separator()
223 editmenu.add_command(label="剪切", accelerator="Ctrl+X", command=cut)
224 editmenu.add_command(label="复制", accelerator="Ctrl+C", command=copy)
225 editmenu.add_command(label="粘贴", accelerator="Ctrl+V", command=paste)
226 editmenu.add_separator()
227 editmenu.add_command(label="查找", accelerator="Ctrl+F", command=find)
228 editmenu.add_command(label="全选", accelerator="Ctrl+A", command=select_all)
229 menubar.add_cascade(label="编辑", menu=editmenu)
230
231 # 关于 功能
232 aboutmenu = Menu(top)
233 aboutmenu.add_command(label="作者", command=author)
234 aboutmenu.add_command(label="版权", command=power)
235 menubar.add_cascade(label="关于", menu=aboutmenu)
236
237 top['menu'] = menubar
238
239 shortcutbar = Frame(top, height=25, bg='Silver')
240 shortcutbar.pack(expand=NO, fill=X)
241
242 textPad=Text(top, undo=True)
243 textPad.pack(expand=YES, fill=BOTH)
244 scroll=Scrollbar(textPad)
245 textPad.config(yscrollcommand=scroll.set)
246 scroll.config(command=textPad.yview)
247 scroll.pack(side=RIGHT, fill=Y)
248
249 # 热键绑定
250 textPad.bind("<Control-N>", new_file)
251 textPad.bind("<Control-n>", new_file)
252 textPad.bind("<Control-O>", open_file)
253 textPad.bind("<Control-o>", open_file)
254 textPad.bind("<Control-S>", save)
255 textPad.bind("<Control-s>", save)
256 textPad.bind("<Control-D>", delete)
257 textPad.bind("<Control-d>", delete)
258 textPad.bind("<Control-R>", rename_file)
259 textPad.bind("<Control-r>", rename_file)
260 textPad.bind("<Control-A>", select_all)
261 textPad.bind("<Control-a>", select_all)
262 textPad.bind("<Control-F>", find)
263 textPad.bind("<Control-f>", find)
264
265 textPad.bind("<Button-3>", mypopup)
266 top.mainloop()