创建用于localhost连接的用户并指定密码 mysql> create user ‘pcom‘@‘localhost‘ identified by ‘aaa7B2249‘; Query OK, 0 rows affected (0.00 sec) 创建数据库 mysql> create database pcom default character set utf8 collate utf8_bin; Query OK, 1 row affected (0.00 sec) 给本地用户授权, 这里不需要指定密码 mysql> grant all on pcom.* to ‘pcom‘@‘localhost‘; Query OK, 0 rows affected (0.00 sec) 给其他IP地址下的用户授权, 注意: 这里必须指定密码, 否则就可以无密码访问 mysql> grant all on pcom.* to ‘pcom‘@‘192.168.0.0/255.255.0.0‘ identified by ‘aaa7B2249‘; Query OK, 0 rows affected (0.00 sec) 同理 mysql> grant all on pcom.* to ‘pcom‘@‘172.20.0.0/255.255.0.0‘ identified by ‘aaa7B2249‘; Query OK, 0 rows affected (0.00 sec) Done!原文：http://www.cnblogs.com/faster/p/5263649.html