在给mysql创建用户的时候,还可以给mysql设置一定的权限。
grant select on *.* To username@'%';
grant insert on *.* To username@'%'
grant delete on *.* To username@'%'
grant update on *.* To username@'%'
grant all on *.* To username@'%'
grant select, update on *.* To username@'%'
// 只能访问databaseName数据库
grant all on [databaseName].* To username@'%'
//username@'%' % 代表可以远程登录
grant all on *.* To username@'%'
//username@'localhost' localhost 代表只有本地可以登录
grant all on *.* To username@'localhost'