Question

如何在模板中调用模型方法get_url（）我想在模板的标签中调用模型方法get_url（）

models.py

class Department(Base):

  department_name = models.CharField(max_length=128)
  description = models.TextField(null=True, blank=True)

  def get_url(self):
      ct = ContentType.objects.get(model='department')
      url_name = ' %s:%s ' % (ct.app_label, ct.model)
      return reverse(url_name, args=(self.object_id))

template.html

    <a href="{% ? ... how to call the model method here.... ? %}"></a>

Answer 1

通过上下文将模型实例传递给tempalte

41943040

Answer 2

我认为您可以这样做：

class Department(Base):

  department_name = models.CharField(max_length=128)
  description = models.TextField(null=True, blank=True)

  def get_url(self):
      ct = ContentType.objects.get(model='department')
      url_name = ' %s:%s ' % (ct.app_label, ct.model)
      return reverse(url_name, args=(self.pk))  # <-- Changed to self.pk to access primary key of the object

然后您可以在模板中使用它，如下所示：

 <a href="{{ object.get_url }}"></a>

更新

要访问模板中的模型实例，您需要通过上下文将其发送到模板。在基于函数的视图中，您可以尝试如下操作：

from django.shortcuts import render


def some_view(request):
   department = Department.objects.first()
   context = { 'object': department }  # Here you can use any key in dictionary, I am using object. This key is accessible in template
   return render(request, 'your_template.html', context)

如何在模板中调用模型方法

2 个答案:

更新