'TMPL_ENGINE_TYPE'=>'Smarty',
'TMPL_ENGINE_CONFIG'=>array(
'plugins_dir'=>'./Application/Smarty/Plugins/',
),
已经设置了smarty插件目录为./Application/Smarty/Plugins/，里面放了smarty插件函数function.load_css.php，为什么前台调用时提示Call to undefined function smarty_function_load_css()？