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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                ### 利用反射感知redis類中可以操作的成員方法 ``` $method = new ReflectionClass('Redis'); //通過Redis類實例化一個反射類對象 $rst = $method->getMethods();//獲得Redis類中所有的成員方法 var_dump($str); #連接redis $redis = new Redis(); $redis->connect('127.0.0.1', '6379'); $redis->mset(array('addr1'=>'beijing', 'add2' => 'shanghai')); $result = $redis->mget(array('addr1','add2')); var_dump($result); ``` ### 利用redis隊列實現秒殺 首先把要秒殺的商品加入到隊列中,模擬10件商品 ``` $good_num = 10; for($i=0; $i<$good_num; $i++) { $redis->lpush('good_store', 1); } var_dump($redis->llen('good_store')); ``` 給隊列設置過期時間(20秒): ``` $redis->setTimeout('good_store',20); ``` 實現秒殺: 在有效時間內,將列隊從頭部彈出(隊列是一個一個出,不必擔心會出現錯誤) ``` $count = $redis->lpop('good_store'); if(!$count) { echo '秒殺結束'; return; } var_dump('搶購成功'); ``` ### redis緩存服務 ``` $pdo = new PDO('mysql:host=localhost;dbname=douphp','***','******'); $sql = 'select * from dou_article'; $smt = $pdo->query($sql); $list = $smt->fetchAll(PDO::FETCH_ASSOC); $redis = new Redis(); $redis->connect('127.0.0.1', '6379'); $res = ['name' => 'john', 'age' => 19, 'sex' => 'man']; $redis->set('reds', json_encode($list)); $data = json_decode($redis->get('reds')); var_dump($data); ```
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