最近在新浪\"读书频道\"下载了一个小说,有40多个页面,后缀全是shtml的,发现改成html就可以在本地看了,但改起来太麻烦,就写了这个程序,专门用来批量修改某目录下的文件后缀.-recently in Sina, "Read channel" downloaded a novel, more than 40 pages, suffixes are shtml, changed html found on the local read, but the fact that