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Python Django框架的许多领域。如何在索引列表页面中获取特定值_Python_Django_Manytomanyfield - Fatal编程技术网

Python Django框架的许多领域。如何在索引列表页面中获取特定值

Python Django框架的许多领域。如何在索引列表页面中获取特定值,python,django,manytomanyfield,Python,Django,Manytomanyfield,我对Django框架有问题,一篇博客文章可能有几个标签,如何在我的索引页面中获取文章列表的标签值?在一个帖子详细信息页面中,我只能得到一个帖子的标签 from django.db import models # Create your models here. class Tag(models.Model): tag_name = models.CharField(max_length=64) def __unicode__(self): return self.tag_n

我对Django框架有问题,一篇博客文章可能有几个标签,如何在我的索引页面中获取文章列表的标签值?在一个帖子详细信息页面中,我只能得到一个帖子的标签

from django.db import models


# Create your models here.
class Tag(models.Model):
    tag_name = models.CharField(max_length=64)

def __unicode__(self):
    return self.tag_name


class Article(models.Model):
    title = models.CharField(max_length=100)
    category = models.CharField(max_length=50)
    tag = models.ManyToManyField(Tag, blank=True)
    publish_time = models.DateTimeField(auto_now_add=True)
    update_time = models.DateTimeField(auto_now=True)
    content = models.TextField()

    def __unicode__(self):
        return self.title
views.py:

def home(request):
posts = Article.objects.all().order_by('-publish_time')
paginator = Paginator(posts, 4)
page = request.GET.get('page')
try:
    post_list = paginator.page(page)
except PageNotAnInteger:
    post_list = paginator.page(1)
except EmptyPage:
    post_list = paginator.paginator(paginator.num_pages)
return render(request, 'home.html', {'post_list': post_list})
试试这个

tag_list = Tag.objects.filter(article__in=post_list)
tag_list是post_list中的帖子拥有的所有标签


标签列表是文章中的所有标签。

在模板中,您可以获得所有文章的标签:

{% for post in post_list %}
    {% for tag in post.tag.all %}
        Use your tags here
    {% endif %}
{% endif %}
{% for post in post_list %}
    {% for tag in post.tag.all %}
        Use your tags here
    {% endif %}
{% endif %}