mysql> GRANT SELECT, REPLICATION SLAVE, REPLICATION CLIENT, PROCESS ON *.* TO 'user'@'localhost' IDENTIFIED BY 'xxxxxx';
MySQL5.7版本
mysql> CREATE USER 'user'@'localhost' IDENTIFIED BY 'xxxxxx';
mysql> GRANT SELECT, REPLICATION SLAVE, REPLICATION CLIENT, PROCESS ON *.* TO 'user'@'localhost';