Configuring settings.py is the same as the configuration of the study notes sessions in the previous article
CACHES = {
'default': {
'BACKEND': 'django.core.cache.backends.filebased.FileBasedCache', # Store in file cache
'LOCATION': os.path.join(BASE_DIR,'cache'),
}
}
views.py
@cache_page(5) # Put the cache function into the cache for 5s
def cache(request):
import time
cur_time = time.ctime()
return render(request,'cache.html',{'time':cur_time})
cache.html
{% load cache %}
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<p>{{ time }}</p><br/>
<p>{{ time }}</p><br/>
{# Only cache the following time for 10s, the key is to take a random value and put it into the cache as a mark#}
{% cache 10 key %}
<p>{{ time }}</p><br/>
{% endcache %}
</body>
</html>
If you want to cache globally, then add the following two sentences to the settings, and the location of the addition is shown in the figure
'django.middleware.cache.UpdateCacheMiddleware', # UpdateCacheMiddleware 只有 process_reponse 'django.middleware.cache.FetchFromCacheMiddleware', # FetchFromCacheMiddleware class only has process_request, and go to cache to get
