使用Java实现数据库编程 项目（宠物商店）

创建数据库代码：

DROP DATABASE IF EXISTS petShop;  
CREATE DATABASE petShop;  

USE petShop;  
/*创建表*/  
CREATE TABLE `petStore`(  
    id INT AUTO_INCREMENT NOT NULL PRIMARY KEY,  
    `name` CHAR(10) NULL,  
    `password` CHAR(10) NULL,  
    `balance` INT(4) NULL  
 )ENGINE=INNODB DEFAULT CHARSET=utf8;  
   
 CREATE TABLE `petOwner`(  
    id INT(4) AUTO_INCREMENT NOT NULL PRIMARY KEY,  
    `name` CHAR(10) NULL,  
    `password` CHAR(10) NULL,  
    `money` INT(4) NULL  
)ENGINE=INNODB DEFAULT CHARSET=utf8;  
  
CREATE TABLE `pet`(  
    id INT(4) AUTO_INCREMENT NOT NULL PRIMARY KEY,  
    `name` CHAR(10) NOT NULL,  
    `typeName` CHAR(10) NULL,  
    `health` INT(4) NULL,  
    `love` INT(4) NULL,  
    `birthday` TIMESTAMP NULL,  
    `owner_id` INT(4) NULL,  
    `store_id` INT(4) NULL  
)ENGINE=INNODB DEFAULT CHARSET=utf8;  
  
CREATE TABLE `account`(  
    `id` INT(4) AUTO_INCREMENT NOT NULL PRIMARY KEY,  
    `deal_type` INT(4) NULL,  
    `pet_id` INT(4) NULL,  
    `seller_id` INT(4) NULL,  
    `buyer_id` INT(4) NULL,  
    `price` INT(4) NULL,  
    `deal_time` TIMESTAMP NULL  
)ENGINE=INNODB DEFAULT CHARSET=utf8;  
  
  
/*创建外键*/  
ALTER TABLE `account`  ADD  CONSTRAINT fk_account_pet FOREIGN KEY(pet_id) REFERENCES `pet` (`id`);  
ALTER TABLE `account`  ADD  CONSTRAINT fk_account_petOwner FOREIGN KEY(seller_id) REFERENCES `petOwner` (`id`);  
ALTER TABLE `pet`  ADD  CONSTRAINT fk_pet_petOwner FOREIGN KEY(owner_id) REFERENCES `petOwner` (`id`) ;  
ALTER TABLE  `pet`  ADD  CONSTRAINT fk_pet_petStore FOREIGN KEY(store_id) REFERENCES petStore (`id`);  
  
  
/*插入数据*/  
INSERT INTO `petowner` (id, `name`, `passWord`, `money`) VALUES (1, '小明', '123456', 178);  
INSERT INTO `petowner` (id, `name`, `passWord`, `money`) VALUES (2, '小强 ', '123456', 498);  
  
  
INSERT INTO `petstore` (id, `name`, `passWord`,`balance` )VALUES (1, '北京信息中心', '123456    ', 624);  
INSERT INTO `petstore` (id, `name`, `passWord`,`balance` ) VALUES (2, '重庆观音桥     ', '123456    ', 800);  
  
INSERT `pet`  (`id`, `name`,`typeName`, `health`, `love`, `birthday`, `owner_id`, `store_id`) VALUES (1, '花花 ', 'dog', 1, 50, '2015-08-20', 1, 1);  
INSERT `pet`  (`id`, `name`,`typeName`, `health`, `love`, `birthday`, `owner_id`, `store_id`) VALUES (2, '贝贝', 'penguin', 1, 60, '2015-08-20', NULL, 2);  
INSERT `pet`  (`id`, `name`,`typeName`, `health`, `love`, `birthday`, `owner_id`, `store_id`) VALUES (3, '成成','dog', 1, 60,  '2015-09-10', NULL, 1);  
INSERT `pet`  (`id`, `name`,`typeName`, `health`, `love`, `birthday`, `owner_id`, `store_id`) VALUES (4, '露露','bird', 1, 70,  '2016-01-10', NULL, 1);  
INSERT `pet`  (`id`, `name`,`typeName`, `health`, `love`, `birthday`, `owner_id`, `store_id`) VALUES (5, '老虎','tiger', 1, 2,  '2016-02-10', 2, 1);  
INSERT `pet`  (`id`, `name`,`typeName`, `health`, `love`, `birthday`, `owner_id`, `store_id`) VALUES (6, '老虎','tiger', 1, 2,  '2016-3-15', NULL, 1);  
INSERT `pet`  (`id`, `name`,`typeName`, `health`, `love`, `birthday`, `owner_id`, `store_id`) VALUES (7, '老虎','tiger', 1, 11,   '2016-2-15', NULL, 1);  
INSERT `pet`  (`id`, `name`,`typeName`, `health`, `love`, `birthday`, `owner_id`, `store_id`) VALUES (8, '狮子','lion', 1, 2,   '2016-4-15', NULL, 2);  
  
  
INSERT `account` (`id`, `deal_type`,`pet_id`, `seller_id`, `buyer_id`, `price`,`deal_time`) VALUES (2, 1, 4, 1, 1, 5, '2016-08-20');  
INSERT `account` (`id`, `deal_type`,`pet_id`, `seller_id`, `buyer_id`, `price`,`deal_time`) VALUES (3, 1, 3, 1, 1, 5,'2016-08-20');  
INSERT `account` (`id`, `deal_type`,`pet_id`, `seller_id`, `buyer_id`, `price`,`deal_time`) VALUES (4, 1, 3, 1, 1, 5, '2016-09-10');  
INSERT `account` (`id`, `deal_type`,`pet_id`, `seller_id`, `buyer_id`, `price`,`deal_time`) VALUES (5, 2, 2, 2, 1, 3,  '2016-09-10');  
INSERT `account` (`id`, `deal_type`,`pet_id`, `seller_id`, `buyer_id`, `price`,`deal_time`) VALUES (6, 2, 3, 1, 1, 3, '2016-10-15');  
  
/*创建本地用户epet,密码0000*/  
GRANT ALL ON petShop.* TO `epet`@`localhost` IDENTIFIED BY '0000' 


SELECT id,NAME,typeName,health,love,birthday,owner_id,store_id FROM pet 

整体架构：

具体代码：