<ruby id="bdb3f"></ruby>

    <p id="bdb3f"><cite id="bdb3f"></cite></p>

      <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
        <p id="bdb3f"><cite id="bdb3f"></cite></p>

          <pre id="bdb3f"></pre>
          <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

          <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
          <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

          <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                <ruby id="bdb3f"></ruby>

                企業??AI智能體構建引擎,智能編排和調試,一鍵部署,支持知識庫和私有化部署方案 廣告
                幾乎每家社交網站和視頻網站都廣泛的應用了計數器功能(點贊,頂/踩),尤其熱門消息的時候計數器增長更是成倍增長。通常的解決方案就是存入 Redis 中,再定時持久化到關系型數據庫中(MySQL)。 ## 寫入計數器 ~~~ public function addCount($video_id) { $redis = new \Redis(); $redis->connect('127.0.0.1', 6379); $redis->incr("v:c:{$video_id}"); // $redis->incrBy("v:c:{$video_id}", 1); // $redis->incrBy("v:c:{$video_id}", -1); } ~~~ ## 定時讀取計數器 使用計劃任務,每隔一段時間執行一次函數。ThinkPHP5 推薦使用自定義命令行工具。 ~~~ public function AsyncWriteCount($video_id) { $redis = new \Redis(); $redis->connect('127.0.0.1', 6379); $count = $redis->get("v:c:{$video_id}"); // ====================== // 寫入數據庫 // ====================== if (/* 寫入數據庫成功 */) { $redis->set("v:c:{$video_id}", 0); } } ~~~ 以上只是最簡單的演示代碼,實際項目中不會使用簡單的字符串來做計數器,通常是列表或者有序集合
                  <ruby id="bdb3f"></ruby>

                  <p id="bdb3f"><cite id="bdb3f"></cite></p>

                    <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
                      <p id="bdb3f"><cite id="bdb3f"></cite></p>

                        <pre id="bdb3f"></pre>
                        <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

                        <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
                        <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

                        <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                              <ruby id="bdb3f"></ruby>

                              哎呀哎呀视频在线观看