Django 简易版分页器

Posted 2020-12-20 niucunguo

from django.shortcuts import render,HttpResponse
from app01 import models

#
# def user_list(request):
#     for i in range(500):
#         dic = {‘name‘:‘name_%d‘ % i, ‘age‘:i}
#         models.User.objects.create(**dic)
#     return HttpResponse(‘OK‘)
#
#


def user_list(request):
    current_page =  request.GET.get(‘page‘,1)
    print(current_page)
    current_page = int(current_page)
    start1 = (current_page-1)*10
    end1 = current_page*10
    all_item = models.User.objects.all().count()
    all_page ,div = divmod(all_item, 10)
    if div > 0:
        all_page +=1
    page_str = ‘‘
    if all_page <=11:
        start = 11
        end = all_page
    else:
        if current_page <=6:
            start = 1
            end = 11 + 1
        else:
            start = current_page - 5
            end = current_page + 6
            if current_page + 6 > all_page:
                start = all_page - 10
                end = all_page + 1
    for i in range(start,end):
        if i == current_page:

            temp = ‘<a style="color:red; font-size:26px;padding: 5px" href="/user_list/?page=%d">%d</a>‘% (i,i)
        else:
            temp = ‘<a  href="/user_list/?page=%d">%d</a>‘ % (i, i)

        page_str += temp


    user_list = models.User.objects.all()[start1:end1]
    return render(request,‘user_list.html‘,{‘user_list‘:user_list, ‘page_str‘:page_str})