{
  "dimensions": [
    {
      "title": "产品名称",
      "key": "productName"
    },
    {
      "title": "产品销量（万）",
      "key": "totalSum"
    },
    {
      "title": "销售额（万）",
      "key": "totalAmount"
    }
  ],
  "source": [
    {
      "key": 0,
      "productName": "产品A1",
      "totalSum": 10,
      "totalAmount": 10
    },
    {
      "key": 1,
      "productName": "产品B1",
      "totalSum": 10,
      "totalAmount": 10
    },
    {
      "key": 2,
      "productName": "产品C1",
      "totalSum": 10,
      "totalAmount": 10
    },
    {
      "key": 3,
      "productName": "产品D1",
      "totalSum": 10,
      "totalAmount": 10
    },
    {
      "key": 4,
      "productName": "产品A2",
      "totalSum": 10,
      "totalAmount": 10
    },
    {
      "key": 5,
      "productName": "产品D2",
      "totalSum": 10,
      "totalAmount": 10
    },
    {
      "key": 6,
      "productName": "产品A3",
      "totalSum": 10,
      "totalAmount": 10
    }
  ]
}
