django文件上传下载
def update(req: django.http.HttpRequest): if req.method == "POST": print("has file") with open("f:/file", "wb") as f: print("get f") print(req.FILES) for i in req.FILES["file_name"].chunks(): f.write(i) return render(req, "first/index.html") # 使用流式传输 def download_bigfile(request): file_name = 文件名 def openFile(fileName): with open(fileName, "rb") as f: while True: c = f.read(1024) if c: yield c else: break response = StreamingHttpResponse(openFile(file_name)) # 要指定 http 头 response['Content-Type'] = 'application/octet-stream' response['Content-Disposition'] = 'attachment;filename="{0}"'.format(file_name) return response