Django搭建网络相册：分页

# /photo/views.py

...
from django.core.paginator import Paginator

def home(request):
    # 已有代码
    photos       = Photo.objects.all()
    # 新增分页代码
    paginator    = Paginator(photos, 5)
    page_number  = request.GET.get('page')
    paged_photos = paginator.get_page(page_number)
    # 将分页器对象传入上下文
    context = {'photos': paged_photos}

    # 后续其他已有代码
    ...

...

<!-- /templates/photo/list.html -->

...

{% block content %}
    <div class="container py-2">
        <!-- 已有代码 -->
        <div class="row" data-masonry='{"percentPosition": true}'>
            {% for photo in photos %}
            ...
            {% endfor %}
        </div>

        <!-- 新增代码 -->
        <div class="row justify-content-center py-5">
            <span class="step-links paginator">
                {% if photos.has_previous %}
                    <a 
                    href="?page=1" 
                    class="paginator prevnext" >
                        &laquo;
                    </a>
                    <a 
                    href="?page={{ photos.previous_page_number }}" 
                    class="paginator prevnext">
                        {{ photos.previous_page_number }}
                    </a>
                {% endif %}

                    <span class="current">
                        {{ photos.number }}
                    </span>

                {% if photos.has_next %}
                    <a 
                    href="?page={{ photos.next_page_number }}" 
                    class="paginator prevnext">
                        {{ photos.next_page_number }}
                    </a>
                    <a 
                    href="?page={{ photos.paginator.num_pages }}"
                    class="paginator prevnext">
                        &raquo;
                    </a>
                {% endif %}
            </span>
        </div>
    </div>

    ...
{% endblock content %}

<!-- 新增代码 -->
{% block scripts %}
<style>
    .paginator {
        color: white;
        text-align: center;
        text-decoration: none;
    }
    .prevnext {
        font-size: x-large;
    }
    .current {
        font-size: xx-large;
        padding-left: 10px;
        padding-right: 10px;
    }
</style>
{% endblock scripts %}