一尘不染

Django下载文件

django

我是使用Django的新手,我正在尝试开发一个网站,用户可以在其中上传许多excel文件,然后将这些文件存储在媒体文件夹Webproject / project / media中。

def upload(request):
    if request.POST:
        form = FileForm(request.POST, request.FILES)
        if form.is_valid():
            form.save()
            return render_to_response('project/upload_successful.html')
    else:
        form = FileForm()
    args = {}
    args.update(csrf(request))
    args['form'] = form

    return render_to_response('project/create.html', args)

然后,该文档会与它们上载的任何其他文档一起显示在列表中,你可以单击这些文档,它会显示有关它们的基本信息以及他们上载的excelfile的名称。从这里,我希望能够使用链接再次下载相同的excel文件:

 <a  href="/project/download"> Download Document </a>

我的网址是

 urlpatterns = [

              url(r'^$', ListView.as_view(queryset=Post.objects.all().order_by("-date")[:25],
                                          template_name="project/project.html")),
              url(r'^(?P<pk>\d+)$', DetailView.as_view(model=Post, template_name="project/post.html")),
              url(r'^upload/$', upload),
              url(r'^download/(?P<path>.*)$', serve, {'document root': settings.MEDIA_ROOT}),

          ] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

但我得到了错误,serve()得到了一个意外的关键字参数’document root’。谁能解释如何解决此问题?

要么

解释如何获取上传的文件以进行选择和使用

def download(request):
    file_name = #get the filename of desired excel file
    path_to_file = #get the path of desired excel file
    response = HttpResponse(mimetype='application/force-download')
    response['Content-Disposition'] = 'attachment; filename=%s' % smart_str(file_name)
    response['X-Sendfile'] = smart_str(path_to_file)
    return response

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2020-03-27

共1个答案

一尘不染

你错过了参数文档_ root 下划线。但是serve在生产中使用它是个坏主意。使用类似这样的东西:

import os
from django.conf import settings
from django.http import HttpResponse, Http404

def download(request, path):
    file_path = os.path.join(settings.MEDIA_ROOT, path)
    if os.path.exists(file_path):
        with open(file_path, 'rb') as fh:
            response = HttpResponse(fh.read(), content_type="application/vnd.ms-excel")
            response['Content-Disposition'] = 'inline; filename=' + os.path.basename(file_path)
            return response
    raise Http404
2020-03-27