1、在控制台中的展示
from django.core.paginator import Paginator
iter = 'abcdefghijklmn'
inator = Paginator(iter, 5)
page1 = inator.page(1)
page1.object_list
# 输出当前也的内容
'abcde'
page1.number
# 输出页码
1
page1.has_next()
# 输出是否有下一页
True
page1.next_page_number()
# 输出下一页的页码
2
print(page1.paginator.num_pages)
# 输出总的页数
3
2、用在web中会有很大的不同
1> html中的设置
使用ArtiInfo(参见views.py)而不是上面的page1,此外方法也没有括号
{% for item in ArtiInfo %}
<li>
<img src="{% static 'images/0001.jpg' %}" width="100" height="91">
<div class="article-info">
<h3><a href="#">{{ item.title }}</a></h3>
<p class="meta-info">
{% for tag in item.tags %}
<span class="meta-cate">{{ tag }}</span>
{% endfor %}
</p>
<p class="description">{{ item.des }}</p>
</div>
<div class="rate">
<span class="rate-score">{{ item.scores }}</span>
</div>
</li>
{% endfor %}
<div class="main-content-pagitor">
{% if ArtiInfo.has_previous %}
<a href="?page={{ ArtiInfo.previous_page_number }}">< Pre</a>
{% endif %}
<span> {{ ArtiInfo.number }} of {{ ArtiInfo.paginator.num_pages }} </span>
{% if ArtiInfo.has_next %}
<a href="?page={{ ArtiInfo.next_page_number }}">Next ></a>
{% endif %}
</div>
2> models.py
from django.db import models
from mongoengine import *
class ArtiInfo(Document):
des = StringField()
title = StringField()
scores = StringField()
tags = ListField(StringField())
# 对应数据库中已存在的数据表
meta = {'collection':'articles'}
3> views.py
,views.py
from django.shortcuts import render
from django_web.models import ArtiInfo
from django.core.paginator import Paginator
def index(request):
limit = 5
arti_info = ArtiInfo.objects[:20]
paginatior = Paginator(arti_info,limit)
# 参考上面html中是怎么设置的
page = request.GET.get('page',1)
print(request)
print(request.GET)
loaded = paginatior.page(page)
context = {
'ArtiInfo':loaded
}
return render(request,'index.html',context)
注意,上面html中使用的ArtiInfo不是models.py中定义的类,而是在views.py中的context字典中的键ArtiInfo