我想創建一個模型方法,它將採用給定評論的 的「用戶」(這是CharField),然後返回與UserProfile的 部分定義的用戶關聯的「報價」。我正在嘗試創建方法以及模板。我迄今爲止嘗試過的東西似乎沒有奏效。如何編寫引用另一個模型的模型方法?
我知道最好的做法是讓 的用戶字段回覆給用戶,但我想知道如何用 方法做到這一點,這樣我就可以學習。
models.py
class Reviewbackup(models.Model):
review = models.CharField('Review', max_length = 2000)
user = models.CharField('Username', max_length = 200)
rating = models.IntegerField(max_length=2, choices=RATING_OPTIONS)
product = models.ForeignKey(Productbackup)
def __unicode__(self):
return self.review
class UserProfile(models.Model):
user = models.OneToOneField(User)
quote = models.CharField('About', max_length = 200, null=True, blank=True)
website = models.URLField('Personal website/blog', null=True, blank=True)
facebook = models.URLField('Facebook profile page', max_length = 200, null=True, blank=True)
twitter = models.URLField('Twitter profile page', max_length = 200, null=True, blank=True)
youtube = models.URLField('YouTube channel page', max_length = 200, null=True, blank=True)
views.py
def view_reviews(request, product_name):
product = get_object_or_404(Productbackup, url_friendly=product_name)
product_id = product.id
#get reviews for the this product
reviews = Reviewbackup.objects.filter(product_id=product_id).order_by("-created_on")
return render_to_response('reserve/templates/view_reviews.html', {'reviews':reviews},
context_instance=RequestContext(request))
模板
{% for review in reviews %}
{{review.user}}
<br>{{review.user.userprofile.quote}}
{% endfor %}
你有沒有考慮尋找它在'User'? –
@ IgnacioVazquez-Abrams你是什麼意思? – sharataka