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                [TOC] # 用戶實體 獲取當前登錄用戶的信息是很常見的需求,比如顯示用戶名、會員級別、積分什么的,但千萬不要這樣來獲取: ~~~php $loginUser = User::findOne(Yii::$app->user->id); echo $loginUser->name; echo $loginUser->vip_level; ~~~ 其實可以這樣取: ~~~php $user = Yii::$app->user->identity; echo $user->name; echo get_class($user); //就是user組件的identityClass,比如 app\models\User ~~~ 這就是用戶的實際載體,我們稱為用戶實體好了,它其實就是用戶表的AR模型實例,所以我們不必再去findOne了
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