from django.shortcuts import render,HttpResponse from mysite.models import * form django.core.paginator import Paginator,EmptyPage,PageNotInteger def index(request): Booklist = [] for i in range(251): Booklist.append(Book(title="book"+str(i),price=30+i*i)) Book.objects.bulk_create(Booklist) #分頁器的使用 book_list = Book.objects.all() paginator = Paginator(book_list,10) print("count:",paginator.count) #數據總數 print("num_pages",paginator.num_pages) #總頁數 print("page_range",paginator.page_range) #頁碼的列表 page1 = paginator.page(1) for i in page1: print(i) print(page1.object_list) page2 = paginator.page(2)
print(page2.has_next())
print(page2.next_page_number())
print(page2.has_previous())
print(page2.previous_page_number())
2.show.html頁面
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous"> </head> <body> <div class="container"> <h4>分页器</h4> <ul> {% for book in book_list %} <li>{{ book.title }} -----{{ book.price }}</li> {% endfor %} </ul> <ul class="pagination" id="pager"> {% if book_list.has_previous %} <li class="previous"><a href="/index/?page={{ book_list.previous_page_number }}">上一页</a></li> {% else %} <li class="previous disabled"><a href="#">上一页</a></li> {% endif %} {% for num in paginator.page_range %} {% if num == currentPage %} <li class="item active"><a href="/index/?page={{ num }}">{{ num }}</a></li> {% else %} <li class="item"><a href="/index/?page={{ num }}">{{ num }}</a></li> {% endif %} {% endfor %} {% if book_list.has_next %} <li class="next"><a href="/index/?page={{ book_list.next_page_number }}">下一页</a></li> {% else %} <li class="next disabled"><a href="#">下一页</a></li> {% endif %} </ul> </div> </body> </html>
3.擴展