thinkphp自定义业务逻辑有有关问题

thinkphp自定义业务逻辑有问题?模型:PHP codeclass DepartmentModel extends Model{public function getIn

thinkphp自定义业务逻辑有问题?
模型:

PHP code
class DepartmentModel extends Model{        public function getIndexDepart()    {        return 1;     }      


控制器
PHP code
 
class IndexAction extends Action
{
    public function index()
    {
$a = D('Department');
echo " <pre>";
print_r($a->getIndexDepart());
echo " </pre>";
        //echo THINK_PATH;
    }

}


可是TP提示:

Model:getIndexDepart您所请求的方法不存在!


求解


[解决办法]
PHP code
class IndexAction extends Action{    public function index()    {        $a = D('Department');[color=#FF0000]        get_class($a);[/color]        echo "<pre>";        print_r($a->getIndexDepart());        echo "</pre>";        //echo THINK_PATH;    }}