identical key. This is useful on a multilingual site where the same JSP code
is used to render content in different languages depending on the current user’s preferences.
语言,我没用过,也没发现问题。 默认为当前页面的语言吧
refreshpolicyclass - - A fully-qualified classname that extends com.opensymphony.oscache.web.
WebEntryRefreshPolicy. This allows you to programmatically determine
whether cached content should be exipired.
自定义的刷新策略类。自己控制什么时候刷新数据
refreshpolicyparam - - Any arbitrary parameters that you need to pass through to the[Page]
refreshpolicyclass. Specifying this attribute without specifying a refreshpolicyclass will have no effect.
传递给刷新策略类的参数