SpringBoot微信点餐项目--数据库设计1

项目中一共设计到五张表

1、商品表

CREATE TABLE `product_info` (
`product_id` VARCHAR ( 32 ) NOT NULL,
`prodcut_name` VARCHAR ( 64 ) NOT NULL COMMENT '商品名称',
`product_price` DECIMAL ( 8, 2 ) NOT NULL COMMENT '单价',
`product_stock` INT NOT NULL COMMENT '库存',
`product_description` VARCHAR ( 64 ) COMMENT '描述',
`product_icon` VARCHAR ( 512 ) COMMENT '小图',
`category_type` INT NOT NULL COMMENT '类目',
`create_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
`update_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '修改时间',
PRIMARY KEY ( `product_id` ) 
) COMMENT '商品表';

2、类目表

CREATE TABLE `product_category` (
`category_id` INT NOT NULL AUTO_INCREMENT,
`category_name` VARCHAR ( 64 ) NOT NULL COMMENT '类目名称',
`category_type` INT NOT NULL COMMENT '类目编号',
`create_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
`update_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '修改时间',
PRIMARY KEY ( `category_id` ),
UNIQUE KEY `uqe_category_type` ( `category_type` ) 
) COMMENT '类目表';

3、订单表

CREATE TABLE `order_master` (
`order_id` VARCHAR ( 32 ) NOT NULL,
`buyer_name` VARCHAR ( 32 ) NOT NULL COMMENT '买家姓名',
`buyer_iphone` VARCHAR ( 32 ) NOT NULL COMMENT '买家电话',
`buyer_address` VARCHAR ( 128 ) NOT NULL COMMENT '买家地址',
`buyer_openid` VARCHAR ( 32 ) NOT NULL COMMENT '买家微信',
`order_amount` DECIMAL ( 8, 2 ) NOT NULL COMMENT '订单总金额',
`order_status` TINYINT ( 3 ) NOT NULL DEFAULT '0' COMMENT '订单状态，0代表默认新订单',
`pay_stayus` TINYINT ( 3 ) NOT NULL DEFAULT '0' COMMENT '支付状态 0代表默认值未支付',
`create_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
`update_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '修改时间',
PRIMARY KEY ( `order_id` ),
UNIQUE KEY `idx_buyer_openid` ( `buyer_openid` ) 
) COMMENT '订单主表' ;

4、订单详情表

CREATE TABLE `order_detail` (
`detail_id` VARCHAR ( 32 ) NOT NULL,
`order_id` VARCHAR ( 32 ) NOT NULL,
`product_id` VARCHAR ( 32 ) NOT NULL,
`prodcut_name` VARCHAR ( 64 ) NOT NULL COMMENT '商品名称',
`product_price` DECIMAL ( 8, 2 ) NOT NULL COMMENT '单价',
`product_icon` VARCHAR ( 512 ) COMMENT '小图',
`product_quantity` INT NOT NULL COMMENT '商品数量',
`create_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
`update_time` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '修改时间',
PRIMARY KEY ( `detail_id` ),
UNIQUE KEY `idx_order_id` ( `order_id` ) 
) COMMENT '订单详情表';