产品详情
说明： 主要实现的功能有：1.可以控制允许上传的文件类型；2.上传之后自动以时间命名；3.自动创建上传文件要保存的目录。
(Main function: 1 can control the types of files allowed to upload 2 hours after uploading automatically named 3 automatically creates a directory to save the file to upload. ..)
(Main function: 1 can control the types of files allowed to upload 2 hours after uploading automatically named 3 automatically creates a directory to save the file to upload. ..)
文件列表：
