目录过期策略立即删除惰性删除（被动过期）定期删除过期key的集合定时扫描策略特别注意的情况定期删除注意事项缓存淘汰策略缓存淘汰策略的作用八种缓存淘汰策略LRU和LFULRU（Least Recently Used：最久未使用）LFU（
My form is submitted by a link using JavaScript, but I am also trying to validate the from justing jQuery validate.The validation doesn\'t work when submitted by the link, but it does if I change the
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