django 上传和下载文件

前端直接<a :href="'http://127.0.0.1:8000/download_excel/?id='+ fileId">下载</a>

　　

##上传文件
#setting配置
 UPLOAD_ROOT = os.path.join(BASE_DIR,'upload')

from django.http import JsonResponse,HttpResponse
from WorkFlowsys.settings import UPLOAD_ROOT
order_number = lambda : int(round(time.time()* 1000*1000)) ##避免重复文件
if fp.multiple_chunks():    # 判断上传文件大于2.5MB的大文件
    file_yield = fp.chunks()    # 迭代写入文件
    with open(path,'wb') as f:
          for buf in file_yield:
               f.write(buf)
else:
    with open(path,'wb') as f:
          f.write(fp.read())


##文件下载
class Upload_file(APIView):
    def get(self,request):
        id =request.GET.get('id')
        query = Question.objects.filter(id = id).first()
        filename = query.accessory
        with open (filename,"rb") as file_object:
            response = HttpResponse(file_object)
            response['Content-Type'] = 'application/octet-stream' #设置头信息，告诉浏览器这是个文件

            filename = 'attachment; filename=%s'%filename.split("\")[6]
            #设置文件名的中文编码方式
            response['Content-Disposition'] = filename.encode('utf-8', 'ISO-8859-1')
            

        return response