Django提供了一個新的類來幫助管理分頁數據,這個類存放在django/core/paginator.py.它能夠接收列表、元組或其它可迭代的對象。本文將分三步介紹Django Paginator 分頁的實現步驟html
Django models前端
from django.db import models class Subject(models.Model): """學科""」 no = models.AutoField(primary_key=True, verbose_name="編號") name = models.CharField(max_length=31, verbose_name="名稱") intro = models.CharField(max_length=511, verbose_name="介紹") def __str__(self): return self.name class Meta: db_table = 'tb_subject’ verbose_name_plural = "學科"
Django view 的配置django
from django.shortcuts import render from django.core.paginator import Paginator, InvalidPage, EmptyPage, PageNotAnInteger from vote.models import Subject def show_subject(request): """查詢學科""" #查詢Subject 表的全部數據 subjects = Subject.objects.all().order_by("no」) #使用Paginator模塊對數據分頁,一頁5條數據 paginator = Paginator(subjects, 5) #使用request.GET.get()函數獲取uri中的page參數的數值 page = request.GET.get('page') try: #經過獲取上面的page參數,查詢此page是否爲整數而且是否可用 subject_obj = paginator.page(page) except PageNotAnInteger: subject_obj = paginator.page(1) except (EmptyPage, InvalidPage): subject_obj = paginator.page(paginator.num_pages) return render(request, "vote/subject.html", {'subject_list': subject_obj})
前端分頁代碼塊:網絡
<div class="pull-right" style="margin-right: 480px;margin-top: 0px」> <!— 分頁功能--> <nav> <ul class="pagination」> <!— 分頁功能前端的方向箭頭代碼--> {% if subject_list.has_previous %} <li class="enabled"> <a href="?page={{ subject_list.previous_page_number }}" aria-label="Previous"> <span aria-hidden="true">«</span> </a> </li> {% endif %} <!— 分頁功能顯示頁碼的中間部分代碼--> {% for page_num in subject_list.paginator.page_range %} {% if page_num == subject_list.number %} <li class="active"> <a href="#"> {{ page_num }} <span class="sr-only">(current)</span> </a> </li> {% else %} <li> <a href="?page={{ page_num }}">{{ page_num }} <span class="sr-only">(current)</span> </a> </li> {% endif %} {% endfor %} <!— 分頁功能末端的方向箭頭代碼--> {% if subject_list.has_next %} <li class="enabled"> <a href="?page={{ subject_list.next_page_number }}" aria-label="last"> <span aria-hidden="true">»</span> </a> </li> {% endif %} </ul> </nav> </div>
(圖片來源於網絡)函數
做者:任宏利spa
來源:宜信技術學院code