QT: 第17章 【统合实例】电子商城系统
MYSQL代码:
/* SQLyog Ultimate v12.3.2 (64 bit) MySQL - 8.0.11 : Database - emarket ********************************************************************* */ /*!40101 SET NAMES utf8 */; /*!40101 SET SQL_MODE=''*/; /*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */; /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */; /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; CREATE DATABASE /*!32312 IF NOT EXISTS*/`emarket` /*!40100 DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci */; USE `emarket`; /*Table structure for table `category` */ DROP TABLE IF EXISTS `category`; CREATE TABLE `category` ( `CategoryID` int(11) NOT NULL AUTO_INCREMENT COMMENT '商品类别编号,主键,自动递增', `Name` varchar(16) COLLATE utf8mb4_general_ci NOT NULL COMMENT '商品类型名称', PRIMARY KEY (`CategoryID`) ) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci; /*Data for the table `category` */ insert into `category`(`CategoryID`,`Name`) values (1,'服装'), (2,'美食'), (3,'手机'); /*Table structure for table `commodity` */ DROP TABLE IF EXISTS `commodity`; CREATE TABLE `commodity` ( `CommodityID` int(11) NOT NULL AUTO_INCREMENT COMMENT '商品编号,主键,自动递增', `CategoryID` int(11) NOT NULL COMMENT '商品类型编号', `Name` varchar(32) COLLATE utf8mb4_general_ci NOT NULL COMMENT '商品名称', `Picture` blob COMMENT '商品图片', `InputPrice` float(6,2) NOT NULL COMMENT '商品购入价格(进价)', `OutputPrice` float(6,2) NOT NULL COMMENT '商品售出价格(单价)', `Amount` int(11) NOT NULL COMMENT '商品库存量', PRIMARY KEY (`CommodityID`), KEY `CategoryID_FK` (`CategoryID`), CONSTRAINT `CategoryID_FK` FOREIGN KEY (`CategoryID`) REFERENCES `category` (`categoryid`) ) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci; /*Data for the table `commodity` */ insert into `commodity`(`CommodityID`,`CategoryID`,`Name`,`Picture`,`InputPrice`,`OutputPrice`,`Amount`) values (1,1,'潜水拉链长袖防晒分体泳衣',NULL,255.60,357.84,478), (2,1,'空姐制服2018时尚气质工作服',NULL,158.00,305.00,398644), (3,1,'职业套装女2018新款OL面试工装',NULL,688.00,788.98,12416), (4,3,'Huawei/华为P20 4000万俫卡三摄',NULL,3388.00,3888.00,1235), (5,2,'延禧攻略网红糕点饼干礼盒',NULL,168.00,188.00,796), (6,2,'【三只松鼠】小吃货抖音美食大礼包',NULL,59.90,130.00,138081); /*Table structure for table `member` */ DROP TABLE IF EXISTS `member`; CREATE TABLE `member` ( `MemberID` varchar(16) COLLATE utf8mb4_general_ci NOT NULL COMMENT '会员账号,主键', `PassWord` varchar(50) COLLATE utf8mb4_general_ci NOT NULL COMMENT '登录口令(以MD5加密存储)', `Name` varchar(32) COLLATE utf8mb4_general_ci NOT NULL COMMENT '会员名', `Sex` bit(1) NOT NULL DEFAULT b'1' COMMENT '性别:1表示男,0表示女,默认1', `Email` varchar(32) COLLATE utf8mb4_general_ci DEFAULT NULL, `Address` varchar(128) COLLATE utf8mb4_general_ci DEFAULT NULL, `Phone` varchar(16) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '联系电话', `RegisterDate` date NOT NULL COMMENT '注册日期', PRIMARY KEY (`MemberID`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci; /*Data for the table `member` */ insert into `member`(`MemberID`,`PassWord`,`Name`,`Sex`,`Email`,`Address`,`Phone`,`RegisterDate`) values ('b02020622','','周何骏','',NULL,NULL,NULL,'2018-11-22'); /*Table structure for table `orderitems` */ DROP TABLE IF EXISTS `orderitems`; CREATE TABLE `orderitems` ( `OrderID` int(11) NOT NULL COMMENT '订单编号,主键', `CommodityID` int(11) NOT NULL COMMENT '商品编号,主键', `Count` int(11) NOT NULL COMMENT '数量', `Affirm` bit(1) NOT NULL DEFAULT b'0' COMMENT '是否确认,0没有确认,1确认,默认0', `SendGoods` bit(1) DEFAULT b'0' COMMENT '是否发货,0没有发货,1发货,默认0', PRIMARY KEY (`OrderID`,`CommodityID`), KEY `CommodityID_FK` (`CommodityID`), CONSTRAINT `CommodityID_FK` FOREIGN KEY (`CommodityID`) REFERENCES `commodity` (`commodityid`), CONSTRAINT `OrderID` FOREIGN KEY (`OrderID`) REFERENCES `orders` (`orderid`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci; /*Data for the table `orderitems` */ /*Table structure for table `orders` */ DROP TABLE IF EXISTS `orders`; CREATE TABLE `orders` ( `OrderID` int(11) NOT NULL AUTO_INCREMENT COMMENT '订单编号,主键,自动递增', `MemberID` varchar(16) COLLATE utf8mb4_general_ci NOT NULL COMMENT '会员账号', `PaySum` float(6,2) DEFAULT NULL COMMENT '付款总金额', `PayWay` varchar(32) COLLATE utf8mb4_general_ci DEFAULT NULL COMMENT '付款方式', `OTime` datetime DEFAULT NULL COMMENT '下单日期时间', PRIMARY KEY (`OrderID`), KEY `MemberID_FK` (`MemberID`), CONSTRAINT `MemberID_FK` FOREIGN KEY (`MemberID`) REFERENCES `member` (`memberid`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci; /*Data for the table `orders` */ /*Table structure for table `commodity_inf` */ DROP TABLE IF EXISTS `commodity_inf`; /*!50001 DROP VIEW IF EXISTS `commodity_inf` */; /*!50001 DROP TABLE IF EXISTS `commodity_inf` */; /*!50001 CREATE TABLE `commodity_inf`( `商品名称` varchar(32) , `进价(¥)` float(6,2) , `售价(¥)` float(6,2) , `库存` int(11) )*/; /*View structure for view commodity_inf */ /*!50001 DROP TABLE IF EXISTS `commodity_inf` */; /*!50001 DROP VIEW IF EXISTS `commodity_inf` */; /*!50001 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `commodity_inf` AS select `commodity`.`Name` AS `商品名称`,`commodity`.`InputPrice` AS `进价(¥)`,`commodity`.`OutputPrice` AS `售价(¥)`,`commodity`.`Amount` AS `库存` from `commodity` */; /*!40101 SET SQL_MODE=@OLD_SQL_MODE */; /*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */; /*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */; /*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */; CREATE /*[ALGORITHM = {UNDEFINED | MERGE | TEMPTABLE}] [DEFINER = { user | CURRENT_USER }] [SQL SECURITY { DEFINER | INVOKER }]*/ VIEW `emarket`.`commodity_inf` AS (SELECT commodity.`Name` AS `商品名称`, commodity.`InputPrice` AS `进价(¥)`, commodity.`OutputPrice` AS `售价(¥)`, commodity.`Amount` AS `库存` FROM commodity);
问题1:MYSQL8 导入出来的数据,导入时自增字段怎么处理呢?
问题2:MYSQL 8 字段是BIT类型,导出来是一个不可识别的字符串,导入时会自动识别吗?
标签:COMMENT,ci,QT,commodity,utf8mb4,电子商城,KEY,MYSQL,NULL From: https://www.cnblogs.com/samrv/p/17737179.html