配置： ~~~ // Memcache缓存 'cache' => [ 'class' => 'yii\caching\MemCache', 'servers'=>[ [ 'host'=>'127.0.0.1', 'port'=>11211, 'weight'=>100, ] ], ], ~~~ ~~~ $cache = \Yii::$app->cache->set('key'); $cache = \Yii::$app->cache->get('key'); ~~~