"id": 30,
"categoryId": 100012,
"name": "小米CC9",
"subtitle": "3200万+4800万 前后双旗舰相机",
"mainImage": "https://cdn.cnbj0.fds.api.mi-img.com/b2c-mimall-media/f515ab05232ed14ccd78ec67e024495a.png",
"price": 1799,
"oldprice":,
"status": 1, （？）
"imageHost": "http://img.springboot.cn"
productStock :库存