本系统的功能：

1、全功能后台管理，所有的图片上传参数都可以从后台设置。

2、理论上可以设置无限文件同时上传，建议将同时上传文件控制在5个内。

3、可以选择日期密码、原文件名和日期加原名三种文件名存储形式，保证做到文件名的唯一性。

4、可以设置文件上传的默认路径或文件夹路径两中存储路径。

5、可以后台设置文件上传的文件类型和大小（注意：在设置上传文件大小时要以字节为单位）-the system function : one, full-featured management background, the picture upload all parameters can be set up from the background. 2, theoretically can set upload unlimited Meanwhile, the document, the proposed document will also upload control within five. 3, we can choose the date code, the original file name and date plus three documents were formerly storage forms, ensured file name uniqueness. 4, can set the default file upload folder path or paths store two paths. 5, the background document upload the file type and size (note : Upload file is installed to size in bytes units)