django下载文件4-4|

response['Content-Type'] = 'application/octet-stream'

response['Content-Disposition'] = 'attachment;filename="test.pdf"'

完整代码如下:

from django.http import StreamingHttpResponse

def big_file_download(request):

  # do something...

  def file_iterator(file_name, chunk_size=512):

      with open(file_name) as f:

          while True:

              c = f.read(chunk_size)

              if c:

                  yield c

              else:

                  break

  the_file_name = "big_file.pdf"

  response = StreamingHttpResponse(file_iterator(the_file_name))

  response['Content-Type'] = 'application/octet-stream'

  response['Content-Disposition'] = 'attachment;filename="{0}"'.format(the_file_name)

  return response