YII Framework学习教程-YII的Model-数据库操作4-Query Builder使用举例

//添加
        Yii::app()->db->createCommand()->insert('tbl_user', 
        array(
            'username' => 'zhangsan', 
            'email' => 'zhangsan@zs.com'));
        //修改
        Yii::app()->db->createCommand()->update('tbl_user', 
        array(
            'username' => 'Tester'), 'id=:id', array(
            ':id' => 3));
        //删除   
        Yii::app()->db->createCommand()->delete('tbl_user', 'id=:id', 
        array(
            ':id' => 2));
        //查询
        $users = Yii::app()->db->createCommand()
            ->select('*')
            ->from('tbl_user')
            ->queryAll();
        var_dump($users);