import osif __name__ == ‘__main__‘: ???# 文件路径 ???dir_path = ‘/‘ ???# 获取路径下文件 ???dir_list = os.listdir(dir_path) ???# 获取文件数量 ???dir_nums = len(dir_list) ???# 遍历替换文件名 ???i = 1 ???for dir in dir_list: ???????if dir.endswith(‘.下载‘): ???????????# os.rename需要文件路径 ???????????# 去掉‘.下载‘ ???????????new_name = dir[:-3] ????????????old_dir_name = os.path.join(dir_path, dir) ???????????new_dir_name = os.path.join(dir_path, new_name) ???????????try: ???????????????os.rename(old_dir_name, new_dir_name) ???????????????i += 1 ???????????except exception as error: ???????????????print("error") ???????????????continue ???????????print(‘文件总数:%d 现在是第几个文件:%d‘ % (dir_nums, i))去掉网上拽下来的js'.下载'后缀 | 随便搞
原文地址：http://www.cnblogs.com/pymkl/p/7820956.html