1).
{
  "userId": "",
  "itemIds": []
}

1).
{
    "result": {
        "data": {
            "1k2j650": {
                "stock": 86,
                "price": 0.01,
                "discountPrice": 0.01
            },
            "1k2vle6": {
                "stock": 98,
                "price": 0.01,
                "discountPrice": 0.01
            },
            "1k2j622": {
                "stock": 92,
                "price": 0.01,
                "discountPrice": 0.01
            }
        }
    },
    "status": {
        "code": "0000000",
        "msg": "正常 "
    }
}

1).
{    }