好友录，实现用户登录，用户注册，用户登录后可以添加，删除，修改自己的好友。并可以查找自己的全部好友，也可以进行模糊查找。使用时导入myeclipse，数据库用的是mysql-Friends recorded, user login, user registration, user login can add, delete, and modify their own friends. And you can find all his friends, can also be fuzzy sear