def get_datas_from_cache(blog_content_type):
# 今天热门博客排行，一个小时更新一次
today_hot_data = cache.get('today_hot_data')
if not today_hot_data:
today_hot_data = get_today_hot_data(blog_content_type)
cache.set('today_hot_data', today_hot_data, 60 * 60)
# 昨天热门博客缓存
yesterday_hot_data = cache.get('yesterday_hot_data')
if not yesterday_hot_data:
yesterday_hot_data = get_yesterday_hot_data(blog_content_type)
cache.set('yesterday_hot_data', yesterday_hot_data, 60 * 60 * 12)
yesterday_hot_data = get_yesterday_hot_data(blog_content_type)
# 7天热门博客缓存数据
seven_days_hot_data = cache.get('seven_days_hot_data')
# 如果缓存数据为空
if not seven_days_hot_data:
# 得到数据
seven_days_hot_data = get_7_days_hot_blogs()
# 并写入缓存，以及设置缓存时间，以秒为单位
# 缓存到期后，便会自动删除缓存，然后便会为None了
cache.set('seven_days_hot_data', seven_days_hot_data, 60 * 60 * 24)
# 30天热门博客缓存
thirty_days_hot_data = cache.get('thirty_days_hot_data')
if not thirty_days_hot_data:
thirty_days_hot_data = get_30_days_hot_blogs()
cache.set('thirty_days_hot_data', thirty_days_hot_data, 60 * 60 * 24)
return today_hot_data, yesterday_hot_data, seven_days_hot_data, thirty_days_hot_data
def home(request):
context = {}
blog_content_type = ContentType.objects.get_for_model(Blog)
dates, read_nums = get_seven_days_read_data(blog_content_type)
# 获取七天热门博客的缓存数据
hot_blogs_for_7_days = cache.get('hot_blogs_for_7_days')
if hot_blogs_for_7_days is None:
hot_blog_for_7_days = get_7_days_hot_blogs()
cache.set('hot_blogs_for_7_days', hot_blog_for_7_days, 3600)
context['read_nums'] = read_nums
context['dates'] = dates
context['today_hot_data'] = get_today_hot_data(blog_content_type)
context['yesterday_hot_data'] = get_yesterday_hot_data(blog_content_type)
context['hot_blogs_for_7_days'] = get_7_days_hot_blogs()
return render(request, 'home.html', context)
def comment(request):
context = {}
context['blog'] = get_object_or_404(Blog, pk=1)
visitNumber = VisitNumber.objects.aggregate(nums=Sum('count'))
context['blog_tags'] = BlogTag.objects.annotate(blog_count=Count('blog'))
context['visitNumber'] =visitNumber['nums']
context['blogNumber'] = Blog.objects.count()
context['hot_blogs_for_7_days'] = get_7_days_hot_blogs()
context['links_list'] = links_list()
response = render(request, 'comment/comment.html', context) # 响应
return response
def home(request):
change_info(request)
context = {}
num = Blog.objects.all().count()
context['hot_blogs_for_7_days'] = get_7_days_hot_blogs()
blogs_key = 'blogs_key_{0}'.format(num)
if cache.has_key(blogs_key):
blogs_val = cache.get(blogs_key)
else:
blogs_val = Blog.objects.order_by('-last_updated_time')[:10]
cache.set(blogs_key, blogs_val, 3600)
context['get_article_all'] = blogs_val
return render(request, 'home.html', context)
def home(request):
content_type = ContentType.objects.get_for_model(Blog)
dates, read_nums = get_seven_days_read_data(content_type)
# 获取七天热门博客缓存数据
hot_blogs_for_7_days = cache.get('hot_blogs_for_7_days')
if hot_blogs_for_7_days is None:
hot_blogs_for_7_days = get_7_days_hot_blogs()
cache.set('hot_blogs_for_7_days', hot_blogs_for_7_days, 3600)
blog_types_list = BlogType.objects.annotate(blog_count=Count('blog'))
context = {}
context['blog_types'] = blog_types_list
context['blog_of_all_nums'] = Blog.objects.all().count()
context['read_nums'] = read_nums
context['dates'] = dates
context['today_hot_data'] = get_today_hot_data(content_type)
context['yesterday_hot_data'] = get_yesterday_hot_data(content_type)
context['hot_blogs_for_7_days'] = hot_blogs_for_7_days
return render(request, 'home.html', context)
def home(requset):
""" 主页 """
blog_content_type = ContentType.objects.get_for_model(Blog)
read_nums, dates = get_seven_days_date(blog_content_type) # 获取7天的阅读数量
# 获取7天热门博客的缓存数据 此缓存需要在setting.py中进行配置
hot_blogs_for_7_days = cache.get('hot_blogs_for_7_days')
if hot_blogs_for_7_days is None:
hot_blogs_for_7_days = get_7_days_hot_blogs() # 获取7天的博客阅读数量排行
cache.set('hot_blogs_for_7_days', hot_blogs_for_7_days,
3600) # 键值对形式进行存储 3600秒
content = {}
content['read_nums'] = read_nums
content['dates'] = dates
content['today_hot_data'] = get_today_hot_data(
blog_content_type) # 获取当天的博客阅读数量排行
content['yesterday_hot_data'] = get_yesterday_hot_data(
blog_content_type) # 获取昨天的博客阅读数量排行
content['hot_blogs_for_7_days'] = hot_blogs_for_7_days # 获取7天的博客阅读数量排行
return render(requset, "home.html", content)
def home(request): # 首页
blog_content_type = ContentType.objects.get_for_model(Blog)
dates, read_nums = get_seven_days_read_data(blog_content_type)
# 设置数据库缓存(获取7天热门博客数据缓存)
hot_blogs_7_days = cache.get("hot_blogs_7_days", )
# if hot_blogs_7_days is None:
# hot_blogs_7_days = get_7_days_hot_blogs()
# cache.set("hot_blogs_7_days", hot_blogs_7_days, 5)
# print("计算")
# else:
# print("使用")
cache.get_or_set("hot_blogs_7_days", hot_blogs_7_days, 5)
context = {}
context["read_nums"] = read_nums
context["dates"] = dates
context["today_hot_data"] = get_today_hot_data(blog_content_type)
context["yesterday_hot_data"] = get_yesterday_hot_data(blog_content_type)
context["hot_blogs_7_days"] = get_7_days_hot_blogs()
context["hot_blogs_30_days"] = get_30_days_hot_blogs()
return render(request, "home.html", context)
