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方法
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包含的模块

常量

DEFAULT_BLOB_STREAMING_DISPOSITION = "inline"
 

实例私有方法

send_blob_stream(blob, disposition: nil)

将 blob 从存储直接流式传输到响应。可以通过设置 disposition 来控制处理方式。内容类型和文件名直接从 blob 设置。

来源：显示 | 在 GitHub 上

# File activestorage/app/controllers/concerns/active_storage/streaming.rb, line 56
def send_blob_stream(blob, disposition: nil) # :doc:
  send_stream(
      filename: blob.filename.sanitized,
      disposition: blob.forced_disposition_for_serving || disposition || DEFAULT_BLOB_STREAMING_DISPOSITION,
      type: blob.content_type_for_serving) do |stream|
    blob.download do |chunk|
      stream.write chunk
    end
  rescue ActiveStorage::FileNotFoundError
    expires_now
    head :not_found
  rescue
    # Status and caching headers are already set, but not committed.
    # Change the status to 500 manually.
    expires_now
    head :internal_server_error
    raise
  end
end