ecshop导航栏自动显示三级或多级子栏目,多级频道分类,并实现css高亮显示_html/css

/** * 取得自定义导航栏列表 * @param string $type 位置，如top、bottom、middle * @return array 列表 */function get_navigator($ctype = '', $catlist = array()){ $sql = 'SELECT * FROM '. $GLOBALS['ecs']->table('nav') . ' WHERE ifshow = \'1\' ORDER BY vieworder'; $res = $GLOBALS['db']->query($sql); $cur_url = substr(strrchr($_SERVER['REQUEST_URI'],'/'),1); if (intval($GLOBALS['_CFG']['rewrite'])) { if(strpos($cur_url, '-')) { preg_match('/([a-z]*)-([0-9]*)/',$cur_url,$matches); $cur_url = $matches[1].'.php?id='.$matches[2]; } } else { $cur_url = substr(strrchr($_SERVER['REQUEST_URI'],'/'),1); } $noindex = false; $active = 0;	$has_suv=0; $navlist = array( 'top' => array(), 'middle' => array(), 'bottom' => array() ); while ($row = $GLOBALS['db']->fetchRow($res)){	if($row['ctype']=='a'){//如果是文章类的栏目	$row3=get_article_tree_for_nav($row['cid']);//列出所有子文章分类	$navlist[$row['type']][] = array(	'name' => $row['name'], 'opennew' => $row['opennew'], 'url' => $row['url'], 'ctype' => $row['ctype'], 'cid' => $row['cid'],	 'has_suv' => 1,//文章类用1	 'sub_nav' => $row3,	);	 	}elseif($row['ctype']=='c'){//商品类的栏目	$row4=get_categories_tree($row['cid']);//使用系统默认的函数即可.商品子类	$navlist[$row['type']][] = array(	'name' => $row['name'], 'opennew' => $row['opennew'], 'url' => $row['url'], 'ctype' => $row['ctype'], 'cid' => $row['cid'],	 'has_suv' => 2,//与文章的导航做区分	 'sub_nav' => $row4,	);	 	}else{	$navlist[$row['type']][] = array(//单页面等栏目,比如about.php等	'name' => $row['name'], 'opennew' => $row['opennew'], 'url' => $row['url'], 'ctype' => $row['ctype'], 'cid' => $row['cid']	);	}	 } /*遍历自定义是否存在currentPage*/ foreach($navlist['middle'] as $k=>$v){ $condition = empty($ctype) ? (strpos($cur_url, $v['url']) === 0) : (strpos($cur_url, $v['url']) === 0 && strlen($cur_url) == strlen($v['url']));//单页,如about.php等,$ctype的值没有被传入	//当前网址与数据库中循环出的网址相同 if ($condition)//如果相同 { $navlist['middle'][$k]['active'] = 1;//是否为当前页,追加到数组中 $noindex = true;//非首页 } } if(!empty($ctype))//文章或商品页面.在其控制器上传入了本栏目的类型,商品类,用c表示,或文章类,用a表示 {	//print_r($catlist);exit;即当前访问分类id foreach($catlist as $key => $val){	$parent_arr=get_top_cat_id_arr($val,$ctype);//当前被访问的分类id的所有父栏目组成的数组	//print_r($parent_arr);exit; foreach($navlist['middle'] as $k=>$v) { if(!empty($v['ctype']) && $v['ctype'] == $ctype && ($v['cid'] == $val ||in_array($v['cid'],$parent_arr))) {//in_array($v['cid'],$parent_arr),这句表示,如果本导航条上显示的频道id,包含在了当前访问的栏目的所有父栏目id数组中,则本导航条可高亮显示 $navlist['middle'][$k]['active'] = 1;//高亮关键字 $noindex = true; } } } } if ($noindex == false) { $navlist['config']['index'] = 1; }//print_r($navlist);exit; return $navlist;}

/** * 获得指定分类同级的所有分类以及该分类下的子分类 * * @access public * @param integer $cat_id 分类编号 * @return array */function get_article_tree($cat_id = 0){ if ($cat_id > 0)//$cat_id当前分类 {	 $parent_id=get_top_art_cat_id($cat_id); } else { $parent_id = 0; } /* 判断当前分类中,是否是底级分类， 如果是取出底级分类上级分类， 如果不是取当前分类及其下的子分类v */ $sql = 'SELECT count(*) FROM ' . $GLOBALS['ecs']->table('article_cat') . " WHERE parent_id = '$parent_id'";// if ($GLOBALS['db']->getOne($sql)|| $parent_id == 0){ /* 如果当前分类有子分类,获取当前分类及其子分类 */ //$sql = 'SELECT cat_id, cat_name, sort_order FROM ' . $GLOBALS['ecs']->table('article_cat') ."WHERE cat_type=1 and cat_id = '$parent_id' ORDER BY sort_order ASC, cat_id ASC";//包含顶级本身,国内新闻	$sql = 'SELECT cat_id, cat_name, sort_order FROM ' . $GLOBALS['ecs']->table('article_cat') ."WHERE cat_type=1 and parent_id = '$parent_id' ORDER BY sort_order ASC, cat_id ASC";//除排顶级分类,只显示山东新闻,江苏新闻及子分类	//两种方式,这里得到的$row['cat_id']都是目标catid,即需要高亮显示的 $res = $GLOBALS['db']->getAll($sql); $cat_arr = array(); foreach ($res AS $row) {	 $cat_arr[$row['cat_id']]['id'] = $row['cat_id']; $cat_arr[$row['cat_id']]['name'] = $row['cat_name']; $cat_arr[$row['cat_id']]['url'] = build_uri('article_cat', array('acid' => $row['cat_id']), $row['cat_name']);	$parent_id2=get_top_art_cat_id($row['cat_id']);//得到最顶级父栏目id if ($parent_id2>0) { 	$cat_arr[$row['cat_id']]['cat_id'] =get_article_tree_child($row['cat_id'],$cat_id);//第二个参数.传入浏览器的当前页面分类号	$cat_id2=get_one_child_cat($row['cat_id']);	$cat_arr[$row['cat_id']]['active']=$cat_arr[$row['cat_id']]['cat_id'][$cat_id2]['active'];//如果本栏目的其中任何一级子栏目是当前访问的栏目,则本栏目的所有父栏目 active=1,即可以高亮显示.	 }	 } } //print_r($cat_arr);exit; return $cat_arr;}function get_article_tree_child($tree_id = 0,$cat_id){ $three_arr = array(); $sql = 'SELECT count(*) FROM ' . $GLOBALS['ecs']->table('article_cat') . ' WHERE parent_id = '.$tree_id; if ($GLOBALS['db']->getOne($sql) || $tree_id == 0) { $child_sql = 'SELECT cat_id, cat_name, parent_id' . ' FROM ' . $GLOBALS['ecs']->table('article_cat') . "WHERE parent_id = '$tree_id' ORDER BY sort_order ASC, cat_id ASC"; $res = $GLOBALS['db']->getAll($child_sql);	 foreach ($res AS $row) {	$cat_cur=$cat_loop=array();	$active=0;	$cat_cur=get_top_cat_id_arr($cat_id,'a');//当前访问的栏目的所有上级栏目id,所组成的数组	array_pop($cat_cur);//去除最顶级的栏目,防止干扰高亮	$cat_loop=get_top_cat_id_arr($row['cat_id'],'a');//循环时,本栏目的所有上级栏目id,所组成的数组	array_pop($cat_loop);//去除最顶级栏目id	if(count(array_intersect($cat_cur,$cat_loop))>0){	//如果当前访问的栏目的父栏目数组与循环栏目得到的父栏目数组,有交集,	//则访问的栏目与其所有父栏目都是$active=1;方便前台高亮	$active=1;	}	 	 $three_arr[$row['cat_id']]['active'] = $active; $three_arr[$row['cat_id']]['id'] = $row['cat_id']; $three_arr[$row['cat_id']]['name'] = $row['cat_name']; $three_arr[$row['cat_id']]['url'] = build_uri('article_cat', array('acid' => $row['cat_id']), $row['cat_name']); if (isset($row['cat_id']) != NULL) { $three_arr[$row['cat_id']]['cat_id'] = get_article_tree_child($row['cat_id'],$cat_id); }	 } } return $three_arr;}//得到其最上级分类的idfunction get_top_art_cat_id( $nid ){	$sql = "select parent_id from ".$GLOBALS['ecs']->table( "article_cat" )." where cat_id = ".$nid."";	$temp_id = 0;	$pid = $GLOBALS['db']->getOne( $sql );	if ( 0 < $pid )	{	$temp_id = get_top_art_cat_id( $pid );	return $temp_id;	}	$temp_id = $nid;	return $temp_id;}//本文章或商品--分类对应的所有上级分类的数组function get_top_cat_id_arr( $nid ,$ctype='c'){	if($ctype=='c'){$table=$GLOBALS['ecs']->table( "category" );}else{$table=$GLOBALS['ecs']->table( "article_cat" );}	$sql = "select parent_id from ".$table." where cat_id = ".$nid."";	$temp_id = 0;	$temp_arr=array();	$pid = $GLOBALS['db']->getOne( $sql );	if ( $pid==0 )	{	return $temp_arr;	}else{	$temp_arr[]=$pid ;	$sql2 = "select parent_id from ".$table." where cat_id = ".$pid."";	$pid2 = $GLOBALS['db']->getOne( $sql2 );	if($pid2==0){	return $temp_arr;	}else{	$temp_arr[]=$pid2 ;	$sql3 = "select parent_id from ".$table." where cat_id = ".$pid2."";	$pid3 = $GLOBALS['db']->getOne( $sql3 );	if($pid3==0){	return $temp_arr;	}else{	$temp_arr[]=$pid3 ;	$sql4 = "select parent_id from ".$table." where cat_id = ".$pid3."";	$pid4 = $GLOBALS['db']->getOne( $sql4 );	if($pid4==0){	return $temp_arr;	}else{	$temp_arr[]=$pid4;	$sql5 = "select parent_id from ".$table." where cat_id = ".$pid4."";	$pid5 = $GLOBALS['db']->getOne( $sql5 );	if($pid5==0){	return $temp_arr;	}else{	$temp_arr[]=$pid5;	$sql6 = "select parent_id from ".$table." where cat_id = ".$pid5."";	$pid6 = $GLOBALS['db']->getOne( $sql6 );	if($pid6==0){	return $temp_arr;	}else{	$temp_arr[]=$pid6;	return $temp_arr;	}}}}}}}

	
 后易首页 
	 
 {$nav.name} {if $nav.has_suv gt 0}{/if} 	{if $nav.has_suv eq 1}	 	
{$child.name}	
----{$child1.name}	 	
========{$child2.name}
	 	 	 	 	 	 {/if} {if $nav.has_suv eq 2}	 	
{$child.name}	
----{$child1.name}	 	
========{$child2.name}
	 	 	 	 	 	 {/if}