此代码能将一个文件里的所有文字修改为你所需要的文字,比如你要将一篇文章中的所有"师范"修改为"大学",用我的程序就很容易实现-This code can be a text document all you need to modify the text, for example, an article you want all the Normal University was revised to use the procedure I can easily realize