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101 lines
3.0 KiB
101 lines
3.0 KiB
4 years ago
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from django.shortcuts import render
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from .models import MyNew
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from django.core.paginator import Paginator
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from django.shortcuts import get_object_or_404
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from pyquery import PyQuery as pq
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def news(request, newName):
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# 解析请求的新闻类型
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submenu = newName
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if newName == 'company':
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newName = '企业要闻'
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elif newName == 'industry':
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newName = '行业新闻'
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else:
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newName = '通知公告'
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# 从数据库获取、过滤和排序数据
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newList = MyNew.objects.all().filter(
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newType=newName).order_by('-publishDate')
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for mynew in newList:
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html = pq(mynew.description) # 使用pq方法解析html内容
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mynew.mytxt = pq(html)('p').text() # 截取html段落文字
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# 分页
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p = Paginator(newList, 5)
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if p.num_pages <= 1:
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pageData = ''
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else:
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page = int(request.GET.get('page', 1))
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newList = p.page(page)
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left = []
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right = []
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left_has_more = False
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right_has_more = False
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first = False
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last = False
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total_pages = p.num_pages
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page_range = p.page_range
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if page == 1:
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right = page_range[page:page + 2]
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print(total_pages)
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if right[-1] < total_pages - 1:
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right_has_more = True
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if right[-1] < total_pages:
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last = True
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elif page == total_pages:
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left = page_range[(page - 3) if (page - 3) > 0 else 0:page - 1]
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if left[0] > 2:
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left_has_more = True
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if left[0] > 1:
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first = True
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else:
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left = page_range[(page - 3) if (page - 3) > 0 else 0:page - 1]
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right = page_range[page:page + 2]
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if left[0] > 2:
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left_has_more = True
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if left[0] > 1:
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first = True
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if right[-1] < total_pages - 1:
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right_has_more = True
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if right[-1] < total_pages:
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last = True
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pageData = {
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'left': left,
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'right': right,
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'left_has_more': left_has_more,
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'right_has_more': right_has_more,
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'first': first,
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'last': last,
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'total_pages': total_pages,
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'page': page,
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}
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return render(
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request, 'newList.html', {
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'active_menu': 'news',
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'sub_menu': submenu,
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'newName': newName,
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'newList': newList,
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'pageData': pageData,
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})
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def newDetail(request, id):
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mynew = get_object_or_404(MyNew, id=id)
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mynew.views += 1
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mynew.save()
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return render(request, 'newDetail.html', {
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'active_menu': 'news',
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'mynew': mynew,
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})
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def search(request):
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keyword = request.GET.get('keyword')
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newList = MyNew.objects.filter(title__icontains=keyword)
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newName = "关于 " + "\"" + keyword + "\"" + " 的搜索结果"
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return render(request, 'searchList.html', {
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'active_menu': 'news',
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'newName': newName,
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'newList': newList,
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})
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