不使用循环 Django 显示数据

Question

如何放弃循环并仅显示下面所示的一种产品？

{data.title }}



 {% for data in data %}
    <h3 class="my-4 border-bottom pb-1">{{data.title }}</h3>
    <div class="row">
        {% endfor %}

我尝试使用：

<h3 class="my-4 border-bottom pb-1">{{data.title }}</h3>
    <div class="row">

我有一个空白部分，但循环运行得很好。这是视图函数：

booking_detail(request, slug, id):
        booking=Bookings.objects.all().order_by('-id')
        return render(request,'booking_detail.html',{'data':booking})

model

class Bookings(models.Model):
    title=models.CharField(max_length=200)
    image=models.ImageField(upload_to="rooms_imgs")
    slug=models.CharField(max_length=400)
    detail=models.TextField()
    features=models.TextField()
    location=models.ForeignKey(Location, on_delete=models.CASCADE)
    category=models.ForeignKey(Category, on_delete=models.CASCADE)
    hostel=models.ForeignKey(Hostel, on_delete=models.CASCADE)
    amenities=models.ForeignKey(Amenities, on_delete=models.CASCADE)
    roomsizes=models.ForeignKey(RoomSizes,on_delete=models.CASCADE)
    status=models.BooleanField(default=True)
    is_featured=models.BooleanField(default=False)
    is_availabe=models.BooleanField(default=True)

url

path('booking/<str:slug>/<int:id>',views.booking_detail,name='booking_detail'),

Answer 1

据我了解，此查看功能仅用于一次预订

booking_detail(request, slug, id):
        booking=Bookings.objects.all().order_by('-id')
        return render(request,'booking_detail.html',{'data':booking})

所以最好改为只检索一条记录，而不是列表

from django.shortcuts import get_object_or_404


def booking_detail(request, slug, id):
    booking=get_object_or_404(Bookings, pk=id, slug=slug) 
    return render(request,'booking_detail.html',{'booking': booking})

然后在 HTML 中：

<h3 class="my-4 border-bottom pb-1">{{ booking.title }}</h3>
<div class="row">

文档 https://docs.djangoproject.com/en/4.0/topics/http/shortcuts/#get-object-or-404

不使用循环 Django 显示数据

display data without using a loop Django

python

django

django-models

django-views

django-templates