//分类数大于4的都放到其他分类下
$where ="is_deleted=1 and is_open=1 and concat(path,'/') like '".$cate_id."/%' and type_id !=0";
$cate_info=$store_goods_category->field('id,name,path,sort')->where($where)->order('sort desc')->select();$i=0;
$cn=count($cate_info);            
if($cn > 1){$cate_info[]=array('id'=>0,'name'=>'全部','sort'=>10000000,);
}
//取得列的列表
$ids=array();
foreach ($cate_info as $k4 => $v4){$ids[$k4]  = $v4['sort'];
}
array_multisort($ids, SORT_DESC,$cate_info);
$cate=array();
$cate_child=array();
$cates=array();   
foreach($cate_info as $k2=>$v2){$i++;if($cn >= 5){if($i>=5){$cate_child[]=array('id'=>$v2['id'],'name'=>$v2['name'],'sort'=>$v2['sort'],);}else{$cate[]=array('id'=>$v2['id'],'name'=>$v2['name'],'sort'=>$v2['sort'],);}}else{$cate[]=array('id'=>$v2['id'],'name'=>$v2['name'],'sort'=>$v2['sort'],);}                
}
if($cn >= 5){$cates[]=array('id'=>"",'name'=>"其他分类",'child'=>$cate_child);$cate_info3=array_merge($cate,$cates);
}else{$cate_info3=$cate;
}           

转载于:https://www.cnblogs.com/zouke1220/p/8242200.html