yuanyuekun
- yuanyuekun 赞了回答
$count = (new \yii\db\Query()) ->from('user') ->where(['last_name' => 'Smith']) ->count();
如果没有条件,把where去掉
$count = (new \yii\db\Query())
->from('user')
->where(['last_name' => 'Smith'])
->count();
如果没有条件,把where去掉