按类别分类查询

{
  "code": 1,
  "msg": "success",
  "data": [
    {
      "id": 6,
      "category": "葡提浆果",
      "image": "http://60.204.153.159:9090/nygy/葡萄.png",
      "title": "山东阳光葡萄",
      "weight": 500,
      "price": 11.9,
      "local": "青岛",
      "preference": "特惠"
    }
  ]
}