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                ### ThinkPHP緩存方法S()概述 * * * * * thinkPHP的F方法只能用于緩存簡單數據類型,不支持有效期和緩存對象。S()緩存方法支持有效期,又稱動態緩存方法,使用示例如下: ~~~ // 使用data標識緩存$Data數據 S('data',$Data); //前面的是緩存標示,后面的是緩存的數據 // 緩存$Data數據3600秒 S('data',$Data,3600); // 刪除緩存數據 S('data',NULL); //第一個參數時緩存的標識名 //刪除變量標識緩存 S($cachename,NULL); ~~~ 表數據緩存是如何產生的: ~~~ //設置緩存標示 $cache=S($cachename); // 判斷是否有這個查詢緩存 // $cache是緩存的標示(每個查詢都對應一個緩存,不同的查詢有不同的緩存) if(!$cache){ $cache=$video->where($map)->order($order)->limit($limit)->select(); foreach($cache as $key=>$value){ $userlist=$user->where("id=".$value['user_id'])->find(); $cache[$key]["nickname"]=$userlist['nickname']; } S($cachename,$cache,3600); //設置緩存的生存時間 } ~~~ * * * * * https://www.fungj.com/information/thinkphp323-data-delete-1.html
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