yii框架分类树扩展示例

            else if (is_object($this->dataProvider) && count($this->dataProvider->rawData) > 0)
                    $data = $this->_run($this->dataProvider->rawData);                   

                               
            $this->render('tree' , array('data'=>$data));
    }

    /**
     *
     * @return type
     */
    private function _run($datas){           
            foreach ($datas as $data)
                    $this->arrAll[] = $data;
                    $this->dataKey = array_keys($data);

            $this->processData();
            if ($this->treeType === true)
                    $data = $this->getTable();
            else
                    $data = $this->getSelect($this->pid, $this->bindSelectValue, $this->isMultiple, $this->selectClass, $this->defaultSelectValue);

            return $data;
    }

    /**
     * 获得html
     * @return type
     */
    public function getHtml() {
            return $this->genHtml();
    }

    /**
     * 设置分层字段
     * 表格类型
     * @return string
     */
    public function getItemName(){           
            $html = '<tr>';
            foreach($this->dataKey as $v) {