Django Rest Framework -将S3对象返回到客户端，供用户下载

from qcloud_cos import CosConfig
from qcloud_cos import CosS3Client

# 配置腾讯云对象存储 COS
secret_id = 'your_secret_id'
secret_key = 'your_secret_key'
region = 'your_region'
bucket = 'your_bucket'
token = None
config = CosConfig(Region=region, SecretId=secret_id, SecretKey=secret_key, Token=token)
client = CosS3Client(config)

# 获取S3对象的URL
object_key = 'your_object_key'
url = client.get_presigned_download_url(Bucket=bucket, Key=object_key, Expires=3600)

from django.http import FileResponse

# 返回S3对象给客户端
response = FileResponse(open(url, 'rb'))
response['Content-Disposition'] = 'attachment; filename="your_filename"'
return response