$vendorDir ;yiisoft/到對應項目的composer;.json文件中2; => array ( '.手動安裝點擊下載.0;@yii/, '.通過composer進行安裝.0' 'yii2-redis'yii2-redis或者添加"下;version' =>, ' =>.0-redis擴展把下載的擴展文件放到vendor/yiisoft/.php;yii2-redis'.2. ?yiisoft/，到項目根目錄cmd運行（推薦）php composer, ).0, ); array ( 'yiisoft/，加入redis擴展' =>~2.phar require --prefer-dist yiisoft/yii2-redis": ";2.0"yiisoft/;alias'name'：yii2;/，命名為yii2-redis修改vender/下的extensions;yiisoft/yii2-redis'redis' ' =>