如何在与表单本身相同的页面上打印表单提交的结果？相关hook_menu:$items['admin/content/ncbi_subsites/paths']=array('title'=>'Paths','description'=>'Pathsforaparticularsubsite','pagecallback'=>'ncbi_subsites_show_path_page','accessarguments'=>array('administersiteconfiguration'),'type'=>MENU_LOCAL_TASK,);页面回调:functionncbi_su