我花了三天的时间。看来有些东西已经保存到数据库,但是当我尝试在模板中访问它时,我只能得到数据库的对象。我无法访问它。我相信它没有成功保存,因为我看不到要保存它的媒体文件夹。这就是我到目前为止所拥有的。
# settings.py
STATIC_URL = '/static/'
STATICFILES_DIRS = (os.path.join(BASE_DIR, 'static'), )
STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')
MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
# forms.py
from .models import Pic
from django import forms
class ImageForm(forms.ModelForm):
class Meta:
model= Pic
fields= ["picture"]
# models.py
class Pic(models.Model):
picture = models.ImageField(upload_to = 'media/', default = 'media/None/no-img.jpg', null=True, blank= True)
# views.py
def upload(request):
form = ImageForm
context = {}
userBio = Bio.objects.get(userData = User.objects.get(id = request.session['client']['id']))
if request.method == 'POST':
# .is_valid checks the models parameters via forms method
form = ImageForm(request.POST,request.FILES)
if form.is_valid():
form.save()
print("succesful uploaded image")
return redirect("/dashboard")
else:
print("Not a valid input from form....")
messages.error(request,"Not a valid input")
return redirect("/dashboard")
<!-- dashboard.html -->
<form rule="form" class="border border--secondary" method="POST" action="/manageFile" enctype="multipart/form-data">
{% csrf_token%}
<input type="file" name = "update">
<input type = "submit">
</form>
{% if pictures %}
{% for pic in pictures%}
<img src="{{pic}}" alt="{{pic}}">
{% endfor %}
{% endif%}
在模板中,它显示为Pic对象(1)。 在终端中,它显示为
查询集Pic:Pic对象(1)
这就是我渲染到模板上的内容。
def dash(request):
try:
_id = request.session['client']['id']
except:
return redirect("/loginPg")
userBio = Bio.objects.get(userData = User.objects.get(id = request.session['client']['id']))
print("its right here")
theUploads = Pic.objects.all()
print("This image object -", theUploads)
content = {
"title" : userBio.title,
"qA" : userBio.quoteA,
"qB" : userBio.quoteB,
"desc" : userBio.desc,
"authorA" : userBio.authorA,
"authorB" : userBio.authorB,
"pictures" : theUploads
}
return render(request, "GoEnigma/dashboard.html", content)
# urls.py
from django.conf.urls.static import static
from django.conf import settings
# urls []
if settings.DEBUG:
urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
答案 0 :(得分:1)
这很难发现,因为您自己渲染表单字段:
$row->find('td', 1)
class ImageForm(forms.ModelForm):
class Meta:
model= Pic
fields= ["picture"]
因此文件字段的名称为update,而不是图片。将其更改为图片,它应该可以工作,尽管使用django呈现表单要好得多,所以您不会犯此类错误,并且对表单的更改会传播到html。
答案 1 :(得分:0)
在ImageForm后面加上括号并添加request。如果是Post request,则在ImageForm中添加POST。
def upload:
form = ImageForm()
if request.method == 'POST':
# .is_valid checks the models parameters via forms method
form = ImageForm(request.POST, request.FILES)
if form.is_valid():
form.save()
print("succesful uploaded image")
return redirect("/dashboard")
else:
print("Not a valid input from form....")
messages.error(request,"Not a valid input")
return redirect("/dashboard")
还请检查您是否尚未添加用于提供媒体文件的网址路径
因此,请在urls.py
的{{1}}文件中添加以下几行。
main project
检查官方文件here
答案 2 :(得分:0)
如果将图片保存在数据库中,则渲染模板时出错。要在模板中渲染图像,您需要获取{{model_class.model_fields.url}},因此在您的情况下,类为pic,字段为picture。
在模板<img src="{{pic.picture.url}}">