格式化门户频道

loadcache('portalcategory');$cat = $_G['cache']['portalcategory'];foreach($cat as $value) {    if($value['upid'] == 0) {        echo $value['catid']. ' : '. $value['catname'];        echo "
";        if($value['children']) {            foreach($value['children'] as $val) {                echo "    ". $cat[$val]['catid']. ' : '. $cat[$val]['catname'];                echo "
";            }        }    }}