Create a mysql user
1. create user 'account' @ '%' identified by 'password';
2. Authorized Users
grant all on *.* to '账户'@'%'; # 授权全部数据库
grant all on privileges on cheng.* to '账户'@'%'; # 后面的%表示允许在所有主机上登录
grant all on *.* to '账户'@'%'; # 授权全部数据库
grant all on privileges on cheng.* to '账户'@'%'; # 后面的%表示允许在所有主机上登录