80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
from django.core.paginator import Paginator, EmptyPage
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from django.shortcuts import render
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from django.views import View
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from home.models import ArticleCategory,Article
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from django.http import HttpResponseNotFound
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class IndexView(View):
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"""首页广告"""
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def get(self, request):
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return render(request, 'index.html')
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class DetailView(View):
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def get(self,request):
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# detail/?id=xxx&page_num=xxx&page_size=xxx
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# 获取文档id
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id = request.GET.get('id')
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# 获取博客分类信息
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categories = ArticleCategory.objects.all()
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try:
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article = Article.objects.get(id=id)
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except Article.DoesNotExist:
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return render(request, '404.html')
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context = {
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'categories': categories,
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'category': article.category,
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'article': article,
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}
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return render(request,'detail.html',context=context)
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class WenView(View):
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"""首页广告"""
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def get(self, request):
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"""提供首页广告界面"""
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#?cat_id=xxx&page_num=xxx&page_size=xxx
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cat_id=request.GET.get('cat_id',1)
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page_num = request.GET.get('page_num', 1)
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page_size = request.GET.get('page_size', 10)
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#判断分类id
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try:
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category = ArticleCategory.objects.get(id=cat_id)
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except ArticleCategory.DoesNotExist:
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return HttpResponseNotFound('没有此分类')
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# 获取博客分类信息
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categories = ArticleCategory.objects.all()
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#分页数据
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articles = Article.objects.filter(
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category=category
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)
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# 创建分页器：每页N条记录
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paginator = Paginator(articles, page_size)
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# 获取每页商品数据
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try:
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page_articles = paginator.page(page_num)
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except EmptyPage:
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# 如果没有分页数据，默认给用户404
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return HttpResponseNotFound('empty page')
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# 获取列表页总页数
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total_page = paginator.num_pages
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context = {
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'categories':categories,
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'category':category,
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'articles': page_articles,
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'page_size': page_size,
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'total_page': total_page,
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'page_num': page_num,
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}
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return render(request, 'wenzhang.html',context=context) |