django 的文件上传

<form enctype="multipart/form-data" method="POST" action="/address/upload/">
<input type="file" name="file" />
<br />
<input type="submit" value="上传文件" />
</form>

def index(request):
if request.method == 'POST':

obj = request.FILES.get('file')
import os
ppp = os.path.join('static','img',obj.name)

f = open(ppp, 'wb')
for chunk in obj.chunks():
f.write(chunk)
f.close()
return HttpResponse(request,'上传成功')
# return render(request, 'file.html')
else:
return render(request,'index.html')

def UploadFile(request):
uf = AssetForm.FileForm(request.POST,request.FILES)
if uf.is_valid():
upload = models.UploadFile()
upload.userid = 1
upload.file = uf.cleaned_data['ExcelFile']
upload.save()

print upload.file