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Django Paginator分页器的使用示例

python 搞代码 4年前 (2022-01-09) 31次浏览 已收录 0个评论
# name: models.py
from django.db import models

class User(models.Model):
    id = models.AutoField(primary_key=True)
    username = models.CharField(max_length=32)
    password = models.CharField(max_length=32)

# 插入测试数据
import random
def index(request):
    for i in range(1,100):
        chars = []
        pasd = []
        for x in range(1,8):
            chars.append(random.choice('abcdefghijklmnopqrstuvwxyz'))
            pasd.append(random.choice('0987654321'))
        user = "".join(chars)
        pwd = "".join(pasd)
        models.User.objects.create(username=user, password=pwd)
    return HttpResponse("ok")
<!--name: page.html-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
     <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >
</head>
<body>
<table class="table table-sm table-hover">
    <thead>
        <tr class="table-success">
            <th> 序号</th> <th> 用户名</th> <th> 用户密码</th>
        </tr>
    </thead>
    <tbody>
        {% for article in user_list %}
            <tr class="table-primary">
                <td>{{ article.id }}</td>
                <td>{{ article.username }}</td>
                <td>{{ article.password }}</td>
            </tr>
        {% endfor %}
    </tbody>
</table>
<nav class="d-flex justify-content-center" aria-label="Page navigation example">
    <ul class="pagination">
        <li class="page-item"><a class="page-link" href="./page?id=1" rel="external nofollow"  rel="external nofollow" >首页</a></li>
        {% i<strong style="color:transparent">来源gaodai#ma#com搞@代~码$网</strong>f user_list.has_previous %}
            <li class="page-item"><a class="page-link" href="./page?id={{ user_list.previous_page_number }}" rel="external nofollow"  rel="external nofollow" >上一页</a></li>
        {% else %}
            <li class="page-item disabled"><a class="page-link" href="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >上一页</a></li>
        {% endif %}

        {% for item in paginator.page_range %}
            {% if item == currentPage %}
                <li class="page-item active"><a class="page-link" href="./page?id={{ item }}" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >{{ item }}</a></li>
            {% else %}
                <li class="page-item"><a class="page-link" href="./page?id={{ item }}" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >{{ item }}</a></li>
            {% endif %}
        {% endfor %}

        {% if user_list.has_next %}
            <li class="page-item"><a class="page-link" href="./page?id={{ user_list.next_page_number }}" rel="external nofollow"  rel="external nofollow" >下一页</a></li>
        {% else %}
            <li class="page-item disabled"><a class="page-link" href="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >下一页</a></li>
        {% endif %}
        <li class="page-item"><a class="page-link" href="./page?id={{ paginator.num_pages }}" rel="external nofollow"  rel="external nofollow" >尾页</a></li>
    </ul>
</nav>

<div style="text-align: center;" class="alert alert-dark">
   统计: {{ currentPage }}/{{ paginator.num_pages }} 共查询到:{{ paginator.count }} 条数据 页码列表:{{ paginator.page_range }}
</div>
</body>
</html>
# name: views.py
from django.shortcuts import render,HttpResponse
from MyWeb import models
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger

def page(request):
    user = models.User.objects.all()
    paginator = Paginator(user, 10)
    currentPage = int(request.GET.get("id",1))
    try:
        user_list = paginator.page(currentPage)
    except PageNotAnInteger:
        user_list = paginator.page(1)
    except:
        user_list = paginator.page(paginator.num_pages)

    return render(request,"page.html",{"user_list":user_list,
                                       "paginator":paginator,
                                       "currentPage":currentPage})
# name: urls.py
from MyWeb import views

urlpatterns = [
    path('admin/', admin.site.urls),
    path('page',views.page)
]

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