text: CREATE TABLE `t_user` (
  `id` BIGINT(18) NOT NULL AUTO_INCREMENT COMMENT '主键' ,
  `code` VARCHAR(12) NULL COMMENT '编号' ,
  `name` VARCHAR(10) NULL COMMENT '用户名' ,
  `pwd` VARCHAR(256) NULL COMMENT '密码' ,
  PRIMARY KEY (`id`))
  ENGINE = InnoDB COMMENT = '用户表';