mysql 授权ip登陆

# 授权所有，youpassword为登录密码
GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'youpassword' WITH GRANT OPTION;

# 指定IP
GRANT ALL PRIVILEGES ON *.* TO 'root'@'171.111.8.130' IDENTIFIED BY 'youpassword' WITH GRANT OPTION;

# 如果失败删除后重新授权
delete from user where host = '171.111.8.130' and user = 'root';

# 保存配置
flush privileges;