text: -- 新增用户
  CREATE USER 'platform'@'localhost' IDENTIFIED BY 'platform';
  CREATE USER 'platform'@'%' IDENTIFIED BY 'platform';
  -- 新增数据库
  CREATE DATABASE  platform_data DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
  
  -- 授权
  GRANT SELECT,INSERT,UPDATE,DELETE ON platform_data.* TO 'platform'@'localhost';
  GRANT SELECT,INSERT,UPDATE,DELETE ON platform_data.* TO 'platform'@'%';
  -- 生效
  FLUSH PRIVILEGES;
  