xiaoben-as2-php/protected/models/MongodbEnglishTree.php

<?php

class MongodbEnglishTree extends EMongoDocument {


    public function __construct() {
        return self::$db = Yii::app()->mongodb1;
    }
    public static function model($className = __CLASS__){
        return parent::model($className);
    }
    public function collectionName()
    {
        return 'textbook';
    }
    
    public function englishTree(){
        
        return $this->findAll();
    }

}