Django关于StreamingHttpResponse与FileResponse响应文件或视频的下载请求

StreamingHttpResponse

from django.http import 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