django Streaming

StreamingHttpResponse

StreamingHttpResponse(streaming_content)：流式相应，内容的迭代器形式，以内容流的方式响应
# 示例
def homeproc2(request):
 response =  StreamingHttpResponse(open(file_path, 'rb'))
 response['Content-Type] = 'application/octet-stream'
 response['Content-Disposition'] = 'attachment;filename="filename"'
 return response
Content-Type：用于指定文件类型。
Content-Disposition：用于指定下载文件的默认名称

FileResponse

FileResponse(stream)：以流形式打开后的文件
注：FileResponse是StreamingHttpResponse的子类

# 示例

def homeproc2(request):

cwd = os.path.dirname(os.path.dirname(os.path.abspath(_file_)))

response = FileResponse(open(cwd + "/msgapp/templates/youfile", "rb"))

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

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

return response

Content-Type：用于指定文件类型。

Content-Disposition：用于指定下载文件的默认名称