Action caching lets you take advantage of authentication and any filters on the controller.
动作缓存让您能够利用认证及控制器上的任何过滤器。
2
You can test this out by specifying that the products controller uses caching for the view action.
您可以通过指定产品控制器对 view 操作使用缓存来测试这段代码。
3
With one line of code, the catalog controller can now use the requester-side caching capabilities for caching the catalogs returned from the legacy catalog application.