1 import easygui as g
 2 import os 
 3 
 4 
 5 file_path = g.fileopenbox(default=‘F:\\‘)
 6 with open(file_path) as f:
 7     title = ‘内容显示‘
 8     file_name = os.path.basename(file_path)
 9     msg = ‘文件【%s】的内容显示如下‘% file_name
10     
11     text = f.read()
12 
13     new_text = g.textbox(msg,title,text)
14 
15 
16     if new_text[:-1] != text:
17         msg=‘检测到文件内容发生改变请选择以下操作：‘
18         choices = (‘覆盖保存‘,‘放弃保存‘,‘另存为‘)
19         title = ‘警告‘
20         choice = g.buttonbox(msg, title, choices)
21         if choice == ‘覆盖保存‘:
22             with open(file_path,‘w‘) as f:
23                 f.write(new_text[:-1])
24         if choice == ‘另存为‘:
25             
26             new_path = g.filesavebox(default=‘*.txt‘)
27             with open(new_path,‘w‘) as f:
28                 f.write(new_text[:-1])
29             
30         if choice == ‘放弃保存‘:
31             pass
32