使用基于Django类的视图倾斜上一个博客和下一个博客
如果我打开博客详细信息,则应该有上一个博客和下一个博客标题作为分页。从Django文档中,我按页码实现了分页。但是,如何通过上一个博客和下一个博客标题来实现分页。
这是我的model.py:views.py
class Post(models.Model):
title = models.CharField(max_length=250, unique=True)
slug = models.SlugField(max_length=250, unique=True, null=True, blank=True)
author = models.ForeignKey(User, on_delete=models.CASCADE, related_name="blog_posts")
cover = models.ImageField(upload_to="Uploaded/")
content = RichTextUploadingField(blank=True, null=True)
sticker = models.CharField(max_length=50, unique=False, null=True, blank=True)
published_at = models.DateTimeField(auto_now_add=True)
updated_on = models.DateTimeField(auto_now=True)
status = models.IntegerField(choices=STATUS, default=0)
tags = models.CharField(max_length=400, null=True, blank=True)
class Meta:
ordering = ['-published_at']
def __str__(self):
return self.title
post_detail.html
class PostDetail(generic.DetailView):
model = Post
template_name = 'blogs/post_detail.html'
!
{% extends "blogs/base.html" %}
{% load static %}
{% block post %}
<section class="services">
<dev class="box-container">
<div class="box-lg">
<h3>{{ post.title }}</h3>
<img src="/Images/{{ post.cover }}" >
<hr>
<small>{{ post.published_at }}</small>
<p>{{ post.content | safe }}</p>
</div>
</dev>
</section>
<!-- Pagination Start -->
<div class="center">
</div>
<!-- Pagination Ends -->
{% endblock post %}
现在,请帮助我如何完成标题为“分页”的Prev-Next博客,如下图
If I open a blog detail, there should be the previous blog and next blog title as a pagination. From Django documentation, I implemented the pagination by page number. But how can I implement the pagination by previous blog and next blog title.
Here is my model.py:
class Post(models.Model):
title = models.CharField(max_length=250, unique=True)
slug = models.SlugField(max_length=250, unique=True, null=True, blank=True)
author = models.ForeignKey(User, on_delete=models.CASCADE, related_name="blog_posts")
cover = models.ImageField(upload_to="Uploaded/")
content = RichTextUploadingField(blank=True, null=True)
sticker = models.CharField(max_length=50, unique=False, null=True, blank=True)
published_at = models.DateTimeField(auto_now_add=True)
updated_on = models.DateTimeField(auto_now=True)
status = models.IntegerField(choices=STATUS, default=0)
tags = models.CharField(max_length=400, null=True, blank=True)
class Meta:
ordering = ['-published_at']
def __str__(self):
return self.title
views.py
class PostDetail(generic.DetailView):
model = Post
template_name = 'blogs/post_detail.html'
post_detail.html
{% extends "blogs/base.html" %}
{% load static %}
{% block post %}
<section class="services">
<dev class="box-container">
<div class="box-lg">
<h3>{{ post.title }}</h3>
<img src="/Images/{{ post.cover }}" >
<hr>
<small>{{ post.published_at }}</small>
<p>{{ post.content | safe }}</p>
</div>
</dev>
</section>
<!-- Pagination Start -->
<div class="center">
</div>
<!-- Pagination Ends -->
{% endblock post %}
Now please help me how to do the prev-next blog titled pagination like the below image!
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您可以处理此操作的一种方法是使用
.get_previous_by_foo和.get_next_by_foo
您可以在此处阅读更多: https://docs.djangoproject.com/en/2.1/ref/ref/ref/mmodels/mmodels/mmodels/instances/instances/#django.django.db.models.model.model.model.model.model.get_model.get_nexnexte这只是一个想法,您可以做到这一点。
正如我所说的那样,这只是现实生活中的一个想法,您必须检查下一个或上一篇文章是否存在或可能是最后一篇文章。
One way you can handle this is to use
.get_previous_by_Foo and .get_next_by_Foo
you can read more here : https://docs.djangoproject.com/en/2.1/ref/models/instances/#django.db.models.Model.get_next_by_FOOThis is just an idea how you can do it.
as i said this just an idea in real life you have to check that next or previous post exists or maybe that post is the last one a thing like that...