子账号带宽趋势查询

查询单个子账号带宽趋势，支持产品 2/3/4/8/11。

subAccount 取子账号列表的 id，不是本地 sub_account_id。

实时查最近60分钟；历史默认最近1天，建议单次不超过2天。时间戳为秒，趋势时间按 Asia/Shanghai 展示。

默认按15秒聚合，结果缓存15秒；缓存时长不代表数据延迟，上游采集和入库周期待确认。

带宽为平台 Mbps 口径，最多两位小数。峰值对应查询区间；历史查询不应把 currentBandwidth 当作实时值。

请保持默认间隔，不传 intervalType/intervalUnit/intervalValue。自定义间隔的带宽换算尚待确认。

产品 11 示例：product_type_id=11&subAccount=9001&trend_type=1。响应示例为虚构数据。

请求示例代码

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返回响应

🟢200成功

application/json

Bodyapplication/json

示例

成功示例成功示例产品11监控示例（虚构）

{
  "code": 1,
  "msg": "获取成功!",
  "time": "1755321650",
  "data": {
    "bandwidthList": [
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:00:00",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:00:15",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:00:30",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:00:45",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:01:00",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:01:15",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:01:30",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:01:45",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:02:00",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:02:15",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:02:30",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:02:45",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:03:00",
        "upstreamTraffic": 0
      },
      {
        "downstreamTraffic": 0,
        "time": "2026-10-15 14:03:15",
        "upstreamTraffic": 0
      }
    ],
    "currentBandwidth": 0,
    "peakBandwidth": 0
  }
}

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