如何将变量从视图传递到 Django 中的 base.html?

How to pass a variable from views to base.html in Django?

我想在项目的导航栏上显示用户的名字。此导航栏位于 base.html 文件中。

在我的 views.py 中,我创建了一个执行此操作的变量

def base(request):
    user = request.user
    u = User.objects.get(username=user)
    us = u.clients.first_name
    context = {'u': u, 'us': us}
    return render(request, "backend/base.html", context)

我可以让它在任何其他 .html 文件上工作,但不能在 base.html 上工作,看起来像这样

<span class="mb-0 text-sm  font-weight-bold">{{us}}</span>

这是我的模型

class Clients(models.Model):
    user = models.OneToOneField(User, on_delete=models.CASCADE)
    first_name = models.CharField(max_length=30, verbose_name="Primeiro Nome")
    last_name = models.CharField(max_length=30, verbose_name="Apelido")
    address = models.CharField(max_length=200, verbose_name="Morada")
    nif = models.CharField(max_length=9, verbose_name="NIF", validators=[RegexValidator(r'^\d{1,10}$')], primary_key=True)
    mobile = models.CharField(max_length=9, verbose_name="Telemóvel", validators=[RegexValidator(r'^\d{1,10}$')])
    email = models.CharField(max_length=200, null=True, verbose_name="Email")

    def __str__(self):
        return "%s %s" % (self.first_name, self.last_name)

    class Meta:
        verbose_name_plural = "Clientes"

我正在回答我自己的问题。

我可以通过使用以下代码创建 context_processor.py 来解决这个问题

from .models import Clients, Hotels, Trip, Flight
from django.contrib.auth.models import User

def add_variable_to_context(request):  
    user = request.user
    u = User.objects.get(username=user)
    us = u.clients.first_name
    uv = u.clients.avatar
    return {
        'u': u,
        'us': us,
        'uv': uv
    }

In views.py try to use render_to_string function. And dont forget to configure the static files settings in configuration file.

from django.template.loader import render_to_string

context = {'u': u, 'us': us}
render_to_string('html_name.html', context)