BBS论坛做的课程设计。主要用来用户登录，用户可做操作是加好友，回帖，发帖，换主题。然后是管理员登陆，可以增删帖子等-BBS forum do curriculum design. Mainly used user login, user can do action is add friends, posts, post, change the theme. Then the administrator login, you can add or delete other posts