ES中long类型的日期时间戳转为日期格式进行分组统计

将ES中long类型的日期时间戳转为日期格式进行分组统计。
{
  "size": 0,
  "query": {
    "bool": {
      "must": [
        {
          "range": {
            "crawltime": {
              "from": 1730706212000,
              "to": 1733298205474,
              "include_lower": false,
              "include_upper": true,
              "boost": 1
            }
          }
        }
      ]
    }
  },
  "aggs": {
    "sss": {
      "terms": {
        "script": {
          "source": "DateTimeFormatter df = DateTimeFormatter.ofPattern(\"yyyy-MM-dd\").withZone(ZoneId.systemDefault()); return df.format(Instant.ofEpochMilli(doc['crawltime'].value));",
          "lang": "painless"
        },
        "order": {
          "_key": "asc"
        }
      }
    }
  }
}