一. 1.Introduction的作用是给类动态的增加方法 When Spring discovers a bean annotated with @Aspect , it will automatically create a proxy that delegates calls to either the proxied bean or to the introduction implementation, depending on whether the method called be
grant on命令用于增加新用户并控制其权限. grant on命令格式:grant select on 数据库.* to 用户名@登录主机 identified by “密码”; 1) 增加一个用户test1,密码为abc,让他可以在任何主机上登录,并对所有数据库有查询.插入.修改.删除的权限.首先用root用户连入MYSQL,然后键入以下命令: grant select,insert,update,delete on *.* to [email=test1@”%]test1@”%[/