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我創建了channelfile爲FB如何設定的截止日期在Rails FB聲道文件3
cache_expire = 60*60*24*365
response.headers["Pragma"] = "public"
response.headers["Cache-Control"] = "max-age=#{cache_expire}"
response.headers["Expires"] = ... # gmdate('D, d M Y H:i:s', time()+$cache_expire) . ' GMT');
如何設置了「過期」的價值在Rails 3的?