Question

我正在用django创建一个博客Web应用程序，我想在其中创建一个仅包含帖子标题的列表。我想列出两个列表

最新帖子
所有帖子

在最新帖子中，我想列出最近创建的帖子的标题。最后创建的帖子应该在列表的第一位。简单

在“所有帖子”中，我想按升序列出所有帖子的标题。我不确定该怎么做。

这是我的代码去.....

views.py

from django.shortcuts import render , redirect
from django.views.generic import TemplateView , ListView , DetailView
from .models import home_blog_model
from .forms import create_post

class home_view(ListView):
    model = home_blog_model
    template_name = "home.html"
    context_object_name = "posts"


def detail_view(request , pk):
    obj = home_blog_model.objects.get(id=pk)
    context = {"obj":obj}

    return render(request , "detail.html" , context)

def create_post_view(request):
    if request.method == "POST":
        form = create_post(request.POST)
        if form.is_valid():
            form.save()

            return redirect("/home/")

    else:
        form = create_post()
    return render(request , "create_post.html" , {"form":form})

home.html

{% extends "base.html" %}
{% load static %}
{% block body %}
    <img src="{% static 'hori.jpg' %}" style="margin-top: 50px;margin-left: 250px;width: 60%">



    <div class="row" style="margin-top: 40px;margin-left: 320px;margin-right: 20px">
        {% for post in posts %}
            <div class="col-sm-6 mb-4">
                <div class="container" style="width: 300px;box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);transition: 0.3s;width: 100%;padding: 0px;">



                    <div class="card" style="height: 200px;padding: 12px;" onclick="location.href='{% url 'detail' post.id %}'">
                        <h2>{{ post.title }}</h2>
                        <div class="card-body">{{ post.summary }}</div>
                    </div>
                </div>
            </div>
        {% endfor %}
    </div>

{% endblock %}

{% block head %}
<style>
    .card:hover { box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2);}
</style>
{% endblock %}

models.py

from django.db import models

class home_blog_model(models.Model):
    title = models.CharField(max_length=100)
    summary = models.CharField(max_length=300)
    content = models.TextField()
    date = models.DateTimeField(auto_now=True)

    def __str__(self):
        return self.title

urls.py

from django.urls import path
from . import views
from django.contrib.auth.views import LoginView , LogoutView
urlpatterns = [

    path("" , views.home_view.as_view() , name="blog-home"),
    path("posts/<int:pk>/" , views.detail_view , name="detail"),
    path("admin/login/" , LoginView.as_view(template_name="admin-login.html") , name="admin-login"),
    path("admin/logout/" , LogoutView.as_view() , name="admin-logout"),
    path("admin/post/create/" , views.create_post_view , name="create_post"),
]

提前谢谢。

Answer 1

您可以使用dictsortreversed来发布最新帖子。例如：

# top 5 posts
{% for post in posts|dictsortreversed:"id"|slice:"5" %}
     {{ post.title }}
{% endfor %}

通过这种方式，您可以在同一模板中以升序（例如代码的实现）和倒序发布帖子，而无需在视图中添加任何内容。添加了slice用于将列表切成5个对象。

如何在django中列出帖子标题

1 个答案: