{
  "labelSize": {
    "width": 76.2,
    "height": 38.1,
    "gap": 3,
    "totalHeight": 41.1,
    "unit": "mm"
  },
  "elements": [
    {
      "id": "qrcode",
      "type": "qrcode",
      "label": "二维码",
      "x": 40,
      "y": 94,
      "width": 168,
      "height": 168,
      "eccLevel": "L",
      "cellWidth": "8",
      "text": "+KB60IS3031T811001201",
      "dataSource": "sn"
    },
    {
      "id": "product-line1",
      "type": "text",
      "label": "产品名",
      "x": 283,
      "y": 56,
      "fontSize": 28,
      "fontFamily": "SimSun",
      "fontStyle": 0,
      "text": "高压电池下壳体总成",
      "dataSource": "static"
    },
    {
      "id": "product-line2",
      "type": "text",
      "label": "产品型号",
      "x": 311,
      "y": 86,
      "fontSize": 28,
      "fontFamily": "SimSun",
      "fontStyle": 0,
      "text": "2510094CDE2200",
      "dataSource": "productModel"
    },
    {
      "id": "date-serial",
      "type": "text",
      "label": "日期+流水号",
      "x": 250,
      "y": 166,
      "fontSize": 28,
      "fontFamily": "SimSun",
      "fontStyle": 0,
      "text": "2026/08/11 NO:0000001",
      "dataSource": "dateSerial"
    },
    {
      "id": "batch-number",
      "type": "text",
      "label": "批次号",
      "x": 250,
      "y": 242,
      "fontSize": 28,
      "fontFamily": "SimSun",
      "fontStyle": 0,
      "text": "+KB60IS3031T811001201",
      "dataSource": "sn"
    }
  ]
}