def index(request): # 一次一次地插入: for i in range(100): models.Book.objects.create(name=‘图书%s‘%i,price=10+i) # 批量插入 # 先造成100本书,放到列表中 list1=[] for i in range(100): list1.append(models.Book(name=‘图书%s‘%i,price=10+i)) # 批量插入,两个参数,第一个是对象列表,第二个是一次插入的数据量,不填,默认一次全插入 models.Book.objects.bulk_create(list1)
# 导入分页器类 from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger # 实例化产生一个对象,两个参数：object_list(对象列表),per_page（每页显示条数） paginator = Paginator(object_list,per_page) # 对象内的属性 paginator.count # 数据总条数 paginator.num_pages # 总页数 paginator.page_range # 页码数的列表 current_page=paginator.page(num) # 当前页取到第num页，返回一个Page对象 current_page.object_list # 当前页码内所有的数据 # 对象内的方法 current_page.has_next() # 是否有下一页 current_page.has_previous() # 是否有上一页 current_page.next_page_number() # 下一页页码数 current_page.previous_page_number() # 上一页的页码数
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <div class="row"> <div class="col-md-6 col-md-offset-3"> <table class="table table-striped"> <thead> <tr> <th>书名</th> <th>价格</th> </tr> </thead> <tbody> {% for book in current_page %} <tr> <td>{{ book.name }}</td> <td>{{ book.price }}</td> </tr> {% endfor %} </tbody> </table> <nav aria-label="Page navigation"> <ul class="pagination"> {% if current_page.has_previous %} <li> {#点击跳转上一页的两种写法#} {#<a href="/index/?page={{ current_page_num|add:-1 }}" aria-label="Previous">#} <a href="/index/?page={{ current_page.previous_page_number }}" aria-label="Previous"> <span aria-hidden="true">上一页</span> </a> </li> {% else %} {#排除第一页没有上一页的情况，不可点击#} <li class="disabled"> <a href="" aria-label="Previous"> <span aria-hidden="true">上一页</span> </a> </li> {% endif %} {% for foo in page_range %} {% if current_page_num == foo %} {# 当前页码等于循环到的页码数,变色#} <li class="active"><a href="/index/?page={{ foo }}">{{ foo }}</a></li> {% else %} <li><a href="?page={{ foo }}">{{ foo }}</a></li> {% endif %} {% endfor %} {% if current_page.has_next %} <li> {#点击跳转下一页的两种写法#} {#<a href="/index/?page={{ current_page_num|add:1 }}" aria-label="Next">#} <a href="/index/?page={{ current_page.next_page_number }}" aria-label="Next"> <span aria-hidden="true">下一页</span> </a> </li> {% else %} {#排除最后一页没有下一页的情况，不可点击#} <li class="disabled"> <a href="" aria-label="Next"> <span aria-hidden="true">下一页</span> </a> </li> {% endif %} </ul> </nav> </div> </div> </body> </html>
def index(request): book_list = models.Book.objects.all() paginator = Paginator(book_list, 3) # 如果页码数多,让它显示前5,后5,中间是当前在的页码 try: current_page_num = int(request.GET.get(‘page‘)) current_page = paginator.page(current_page_num) print(current_page.object_list) # 总页码数,大于11的时候 if paginator.num_pages >11: # 当前页码数-5大于1的时候,page_range应该是? if current_page_num-5<1: page_range=range(1,12) elif current_page_num+5>paginator.num_pages: # 当前页码数+5大于总页码数,总页码数往前推11个 page_range=range(paginator.num_pages-10,paginator.num_pages+1) else: page_range = range(current_page_num - 5, current_page_num + 6) else: #小于11,有多少页,就显示多少页 page_range=paginator.page_range # 捕获异常后,跳到第一页 except Exception as e: current_page_num = 1 current_page = paginator.page(current_page_num) return render(request, ‘index_next.html‘, locals())
原文：https://www.cnblogs.com/moonzier/p/11234942.html