def books(request):
print(request.GET)
# < QueryDict: {'page': ['11']} >
# 获取page.py中的s = f'<li><a href="?page={i}">{i}</a></li>'
# 即url上的?后面的参数
current_page = request.GET.get('page')
print(current_page) #11 获取当前页码
try:
current_page = int(current_page)
except:
# 没有page参数或者不是数字字符串
current_page = 1
all_book_objs = Book.objects.all()
total_count = all_book_objs.count() # 总数据量
page_obj = Pagenation(current_page, total_count) #新建对象
book_objs = Book.objects.all()[page_obj.page_data_start:page_obj.
end_data_start]
# book_objs = models.Book.objects.all()[10:20] # 2
# book_objs = models.Book.objects.all()[20:30] # 3
return render(request, 'books.html', {
'book_objs': book_objs,
'page_obj': page_obj
})
def books(request):
pass
# print(request.GET)
current_page = request.GET.get('page')
try:
current_page = int(current_page)
##没有page参数或者不是数字字符串
except:
current_page = 1
# print(current_page) #1
all_book_objs = Book.objects.all()
# print(all_book_objs)
total_count = all_book_objs.count() # # 总数据量
# print(total_count) #28
page_obj = Pagenation(current_page, total_count)
# print(page_obj)
book_objs = Book.objects.all()
book_objs = book_objs[page_obj.page_data_start:page_obj.end_data_start]
# book_objs = models.Book.objects.all()[10:20] # 2
# book_objs = models.Book.objects.all()[20:30] # 3
# return HttpResponse('ok')
return render(request, 'books.html', {
'book_objs': book_objs,
'page_obj': page_obj
})
def books(request):
current_page = request.GET.get('page')
try:
current_page = int(current_page) #没有page参数或者不是数字字符串
except:
current_page = 1
all_book_objs = models.Book.objects.all()
total_count = all_book_objs.count() # 总数据量
page_obj = Pagenation(current_page, total_count)
book_objs = models.Book.objects.all()[page_obj.page_data_start:page_obj.end_data_start]
# book_objs = models.Book.objects.all()[10:20] # 2
# book_objs = models.Book.objects.all()[20:30] # 3
return render(request, 'books.html',
{'book_objs': book_objs, 'page_obj': page_obj})