if和elif在django模板中不起作用

Question

if and elif doesn't work in my template django

index.html

<a style="{% if show.Ages == 19 %}background:#ff3636;{% elif show.Ages == 17 %}background:#fb9c92;{% elif show.Ages == 13 %}background:#ffb466;{% else %}background:#4aff68;{% endif %};border-radius: 15px;width: 140px;height: 42;margin-right: 831px;margin-top: -200;" class="button">رده‌ سنی‌:+{{ show.Ages }}</a>

views.py

def index(request):
    shows = show.objects.all()
    context = {
        'shows':shows
    }
    return render(request,'index.html', context)

models.py

class show(models.Model):
    Ages = models.CharField(max_length=10,default='',null=True)

what is the problem?

Answer 1

Your show.Ages attribute is a CharField , not an IntegerField . Instead of comparing it against integers you should compare it against strings, eg

{% if show.Ages == '17' %}...{% endif %}

As pointed out in the comments your context variable is shows , not show , but I suspect that your template snippet already lives inside something like

{% for show in shows %}...{% endfor %}

which would create a show loop variable.