[英]Django 1.7 - ImageField, my image is not being uploaded to MEDIA_URL
因此,我花了几个小时试图弄清楚这一点,并且有很多关于该主题的示例,但是这些示例都无法解决我的问题,因此我提出了另一个问题。 基本上,我有一个带有ImageField的表单,当我尝试以及以该表单发布时,没有图像上传到MEDIA_URL。
因此,在models.py中,我保留默认值,因为发布图像不需要图像,但是当我尝试创建包含图像的图像时,则不会上传图像。 当我在模板上显示图像时,它会还原为默认图像。 我是否缺少使图像上传到MEDIA_URL的功能? 我的代码如下...
Models.py
class Posting(models.Model):
textbook = models.ForeignKey(Textbook)
condition = models.CharField(max_length = 200)
price = models.DecimalField(max_digits=5, decimal_places=2)
user = models.ForeignKey(User)
image = models.ImageField(upload_to='postingpics/', default="../../static/textchange/nophoto.jpg")
post_date = models.DateTimeField('date_posted')
def __str__(self):
return str(self.textbook)
def was_posted_recently(self):
return self.post_date >= timezone.now() - datetime.timedelta(days=1)
was_posted_recently.admin_order_field = 'post_date'
was_posted_recently.boolean = True
was_posted_recently.short_description = 'Posted recently'
Forms.py
class PostCreate(forms.Form):
CHOICES = (('New', 'New'), ('Like New', 'Like New'), ('Used', 'Used'), ('Usable', 'Usable'))
price = forms.DecimalField()
condition = forms.ChoiceField(choices = CHOICES)
image = forms.ImageField(required=False)
Settings.py
MEDIA_ROOT = '/home/joe/documents/exchange/Texchange/media/'
MEDIA_URL = '/media/'
Views.py
@login_required
def addposting(request, uisbn):
form = PostCreate(request.POST or None)
# Get textbook with isbn equal to usibn
ltextbook = Textbook.objects.filter(isbn = uisbn)
text = ltextbook[0]
curuser = request.user
if form.is_valid() and request.POST:
condition = request.POST.get('condition')
price = request.POST.get('price')
image = request.POST.get('image')
if image:
if (not (Posting.objects.filter(Q(user = curuser) & Q(textbook = text)))):
new = Posting(textbook = text, user = curuser, post_date = datetime.now(), condition=condition, price=price, image = image)
new.save()
return HttpResponseRedirect('/results/' + uisbn)
else:
if (not (Posting.objects.filter(Q(user = curuser) & Q(textbook = text)))):
new = Posting(textbook = text, user = curuser, post_date = datetime.now(), condition=condition, price=price)
new.save()
return HttpResponseRedirect('/results/' + uisbn)
return render_to_response(
'textchange/addposting.html',
locals(),
context_instance=RequestContext(request)
)
addposting.html-表单
<form action="{% url 'textchange:addposting' uisbn=text.isbn %}" method="POST" enctype="multipart/form-data"> {% csrf_token %}
{{ form.as_p }}
<input type="submit" value="Add a Posting"></input>
</form>
用于查看图像的模板
{% block content %}
<img src="{{ posting.image.url }}">
{% endblock %}
我还有一个我不明白的问题,就是当我使用此应用进行生产时。 人们的图片要上传到哪里?
谢谢。
您没有将request.FILES
参数传递给表单。
您需要做:
form = PostCreate(request.POST or None, request.FILES or None)
请参阅: https : //docs.djangoproject.com/en/1.7/topics/http/file-uploads/了解更多信息
文件将被上传到MEDIA_ROOT
指定的目录
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