目的：把從數據庫讀出的數據存入的redis 中既提高了效率，又減少了對數據庫的讀寫，提高用戶體驗。

例如：

1，同一頁面局部緩存，局部動態

from django.views import View
from myapp.models import Student
#導入緩存庫
from django.core.cache import cache
#導入頁面緩存
from django.views.decorators.cache import cache_page
from django.utils.decorators import method_decorator

 
class Stulist(View):
    def get(self,request,id):
        #判斷緩存內是否有數據
        result = cache.get("res",‘0‘)
        if result == ‘0‘:
            res = Student.objects.filter(id=id)
            cache.set("res",res,100)
            result =cache.get("res")
        # ret = Student.objects.all()
        #
 
 ret = [i.name for i in list(ret)]
        # random_name = random.sample(ret,3)
        #隨機取一條 select * from student where id in(2,3) order by rand limit 1
       #取非當前數據外三條數據隨機展示
        random_name = Student.objects.exclude(id__in=[id]).order_by("?")[0:3]
        return render(request,‘stulist.html
 
‘,locals())

2，頁面緩存

@cache_page(60)
def page_cache(request):
    res = Student.objects.all()

    return render(request,‘pagecache.html‘,locals())

@method_decorator(cache_page(60),name="get")
class PageCache(View):
   
    def get(self,request):
        res = Student.objects.all()

        return render(request,‘pagecache.html‘,locals())

Django + Redis實現頁面緩存