设备接入 IOTDA-平台下发文件上传临时URL:示例

时间：2024-06-28 09:24:44

设备接入 IOTDA 文件上传/下载管理

示例

Topic: $oc/devices/{device_id}/sys/events/down  
数据格式： 
{ 
    "object_device_id": "{object_device_id}", 
    "services": [{ 
        "service_id": "$file_manager", 
        "event_type": "get_upload_url_response", 
        "event_time": "20151212T121212Z",
         "paras": { 
            "url":"https://bucket.obs.cn-north-4.com/device_file/aGEKIpp5NAGxdP2oo90000/a.jpg?Expires=1553162075&OSSAccessKeyId=LTAIYLScbHiV****&Signature=%2F88xdEFPukJ****%2F8****%2Bdv3io%3D",
            "bucket_name":"bucket",
            "object_name": "c6b39067b0325db34663d3ef421a42f6_12345678_a.jpg",
            "expire":3600,
            "file_attributes": {
                "hash_code": "58059181f378062f9b446e884362a526",
                "size": 1024
            }
         } 
    }] 
}

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