怎么引入stdClass::createTemplate()函数

Question

Fatal error:  Call to undefined method stdClass::createTemplate() in C:\wamp\www\19\system\libs\sysplugins\smarty_internal_templatebase.php on line 46代码 $_template = ($template instanceof $this->template_class)        ? $template : $this->smarty->createTemplate($template, $cache_id, $compile_id, $parent, false);