urls.py
1 from django.conf.urls import url 2 from django.contrib import admin 3 from app01 import views 4 5 6 urlpatterns = [ 7 8 # 查看django自带的上一页和下一页 9 url(r‘^index.html$‘, views.index), 10 11 ]
views.py
1 from django.shortcuts import render,HttpResponse
2 from django.views import View
3 from app01 import models
4 from django.core.paginator import Paginator,Page,PageNotAnInteger,EmptyPage
5 # django自带的分页
6 def index(request):
7 """
8 分页
9 :param request:
10 :return:
11 """
12 # 往用户信息的数据表内插入300条用户信息
13 # for i in range(301):
14 # name="xuyuanyuan"+str(i)
15 # models.Userinfo.objects.create(username=name,age=20,ut_id=2)
16
17 choise_page=request.GET.get("page")
18 user_list=models.Userinfo.objects.all()
19 # paginator=Paginator(user_list,10)分页处理，每一页10条数据
20 paginator=Paginator(user_list,10)
21 # per_page: 每页显示条目数量
22 # count: 数据总个数
23 # num_pages:总页数
24 # page_range:总页数的索引范围，如: (1,10),(1,200)
25 # page: page对象
26
27 try:
28 result=paginator.page(choise_page)
29 # print(result)#QuerySet [<Userinfo: Userinfo object>, <Userinfo: Userinfo object>,
30 # 打印的result是一个个userinfo的对象
31 # print(result.object_list)
32 except PageNotAnInteger as e:
33 result=paginator.page(1)
34 except EmptyPage as e:
35 result=paginator.page(1)
36
37 # has_next 是否有下一页
38 # next_page_number 下一页页码
39 # has_previous 是否有上一页
40 # previous_page_number 上一页页码
41 # object_list 分页之后的数据列表
42 # number 当前页
43 # paginator paginator对象
44
45 return render(request,"index.html",{"result":result})
index.html
1 <!DOCTYPE html>
2 <html lang="en">
3 <head>
4 <meta charset="UTF-8">
5 <title>Title</title>
6 </head>
7 <body>
8 <h1>用户列表</h1>
9 <ul>
10 {% for i in result.object_list %}
11 <li>姓名：{{ i.username }}</li>
12 {% endfor %}
13 </ul>
14 <div>
15 {% if result.has_previous %}
16 <a href="/index.html?page={{ result.previous_page_number }}">上一页</a>
17 {% endif %}
18
19 {% if result.has_next %}
20 <a href="/index.html?page={{ result.next_page_number }}">下一页</a>
21 {% endif %}
22 </div>
23 </body>
24 </html>
时间： 2024-11-10 00:54:12