NULL AUTO_INCREMENT COMMENT '主键',
`order_id` varchar(50) NOT NULL COMMENT '订单id',
`user_id` intNOT NULL COMMENT '用户id',
`total_amount` decimal(10,2) NOT NULL COMMENT '须支付金额',
PRIMARY KEY (`id`'主键',
`name` varchar(50) NOT NULL COMMENT '名称',
`price` int NOT NULL COMMENT '价格',
PRIMARY KEYNOT NULL COMMENT '用户id',
`total_amount` decimal(10,2) NOT NULL COMMENT '须支付金额',
PRIMARY KEY (`id`'主键',
`name` varchar(50) NOT NULL COMMENT '名称',
`price` int NOT NULL COMMENT '价格',
PRIMARY KEY (`