PHP全路径无限分类导航LINK代码实现

<div class="cnblogs_code">

/**


@param php全路径无限分类

*/

include('db.inc.php');

function getPathCate($cateid){

$sql = "select ,concat(path,',id) fullpath from likecate where id = $cateid";

$res = mysql_query($sql);

$row = mysql_fetch_assoc($res);

$ids = $row['fullpath'];

$sql = "select  from likecate where id in ($ids) orders by id asc";

$res = mysql_query($sql);

$result = array();

while ($row = mysql_fetch_assoc($res)) {

$result[] = $row;

}

return $result;

}
function displayPath($cateid,$link='cate.php?cid='){

$res = getPathCate($cateid);

$str = '';

foreach ($res as $key => $value) {

$str .= "<a href ='{$link}{$value['id']}'>{$value['catename']}";

}
}
echo displayPath(4,'cate.php?p=1&cid=');

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