使用mysql触发器脚本，解决流水数据的添加。

CREATE DATABASE `spring`  DEFAULT CHARACTER SET utf8;

USE `spring`;

CREATE TABLE `account` (
  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
  `username` varchar(45) NOT NULL,
  `password` varchar(45) NOT NULL,
  `birthday` datetime NOT NULL,
  `email` varchar(45) NOT NULL,
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=8 DEFAULT CHARSET=utf8;


CREATE TABLE `account_flow` (
  `id` int(11) DEFAULT NULL,
  `username` varchar(45) DEFAULT NULL,
  `add_time` datetime DEFAULT CURRENT_TIMESTAMP,
  `flag` int(11) DEFAULT '0'
) ENGINE=InnoDB DEFAULT CHARSET=utf8;


 
CREATE DATABASE `spring`  DEFAULT