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Django实现分页

项目地址：https://github.com/ylpxzx/lifeblog

Django自带分页组件实现分页器

1. 视图函数views.py中配置

from django.shortcuts import render,HttpResponsefrom django.views.generic import Viewfrom .models import Postfrom django.core.paginator import Paginator,EmptyPage,PageNotAnInteger # 添加该行class IndexView(View):    def get(self,request):        post_list = Post.objects.all().order_by("-id")		        # 分页器        paginator = Paginator(post_list,6)        		# print("count:",paginator.count)  # 数据总数        # print("num_pages:",paginator.num_pages) # 总页数        # print("page_range:",paginator.page_range) # 页码列表        #        # page1 = paginator.page(1)  # 第1页的page对象        # for i in page1: # 遍历第1页的所有数据对象        #     print(i)        #        # print("第一页的所有数据：",page1.object_list)  # 第1页的所有数据        #        # page2 = paginator.page(2)        # print(page2.has_next())  # 是否有下一页        # print(page2.next_page_number())  # 下一页的页码        # print(page2.has_previous())  # 是否有上一页        # print(page2.previous_page_number())  # 上一页的页码        page = request.GET.get('page', 1)        currentPage = int(page)        try:            print(page)            post_list = paginator.page(page)        except PageNotAnInteger:            post_list = paginator.page(1)        except EmptyPage:            post_list = paginator.page(paginator.num_pages)        return render(request,"index.html",{
   'post_list':post_list,"paginator":paginator,"currentPage":currentPage})

2. 模板文件中编写分页语句

{% block area %}
   
	
    
     	{% for post in post_list %}		
     
{
  { post }}
	{% endfor %}				
     		
     			
    
   
{% endblock %}

3. 如果页数十分多时，换另外一种显示方式

class IndexView(View):    def get(self,request):        post_list = Post.objects.all().order_by("-id")        # 分页器        paginator = Paginator(post_list,6)        # print("count:",paginator.count)  # 数据总数        # print("num_pages:",paginator.num_pages) # 总页数        # print("page_range:",paginator.page_range) # 页码列表        #        # page1 = paginator.page(1)  # 第1页的page对象        # for i in page1: # 遍历第1页的所有数据对象        #     print(i)        #        # print("第一页的所有数据：",page1.object_list)  # 第1页的所有数据        #        # page2 = paginator.page(2)        # print(page2.has_next())  # 是否有下一页        # print(page2.next_page_number())  # 下一页的页码        # print(page2.has_previous())  # 是否有上一页        # print(page2.previous_page_number())  # 上一页的页码        page = request.GET.get('page', 1)        currentPage = int(page)        #  如果页数十分多时，换另外一种显示方式        if paginator.num_pages > 11:            if currentPage - 5 < 1:                pageRange = range(1, 11)            elif currentPage + 5 > paginator.num_pages:                pageRange = range(currentPage - 5, paginator.num_pages + 1)            else:                pageRange = range(currentPage - 5, currentPage + 6)        else:            pageRange = paginator.page_range        try:            print(page)            post_list = paginator.page(page)        except PageNotAnInteger:            post_list = paginator.page(1)        except EmptyPage:            post_list = paginator.page(paginator.num_pages)        return render(request,"index.html",locals())

Django ListView视图实现分页

1. 在视图views.py文件中配置paginate_by

from django.views.generic.list import ListViewfrom .models import Post,Categoryclass IndexView(ListView):    model = Post    template_name = "index.html"    context_object_name = "post_list"    paginate_by = 6    def get_queryset(self):        post_list = Post.objects.all().order_by("-id")        return post_list    def get_context_data(self, *, object_list=None, **kwargs):        kwargs['category_list'] = Category.objects.all().order_by('post_category') # 设置分类字段到模板上下文        content = super(IndexView,self).get_context_data(**kwargs)		print(content) # 检查是否有paginate对象        return content

2. 模板文件中编写分页语句

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