FTP协议的客户端，有登录界面，用户界面，界面分为个人界面和公用界面；在公用界面上可以看服务器端所有公共的资源，进行下载；在个人界面可以上传和下载资料。-FTP client login interface, user interface, the interface is divided into interface, personal and public interface see the server end all of the public resources available