如何在Rails中缓存任意对象(基于时间)? [英] How to cache an arbitrary object in Rails(time-based)?

问题描述

我阅读了官方指南.它说有page cache，action cache和fragment cache，但它们不是我想要的.

I read the official guide. It says there are page cache, action cache and fragment cache, but they are not what I want.

我只想缓存一个对象，而不是整个页面或视图片段，就像这样的伪代码:

I just like to cache an object, not the whole page or fragment of view, like this pseudocode:

def show
  cache @ads, :expires_in => 1.hour do
    @ads = Advertisement.all
  do
end

有可能吗?与memcache或redis?

推荐答案

尝试一下:

#To cache the object
Rails.cache.write('cache-key', object)

#Load the object from the cache
Rails.cache.read('cache-key')

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