php无限极分类

<?php

//递归无限极分类
CREATE TABLE `deepcate` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `pid` int(11) DEFAULT NULL,
  `catename` varchar(11) DEFAULT NULL,
  `cateorder` int(11) DEFAULT NULL COMMENT '排序字段',
  `createtime` int(10) DEFAULT NULL,
  PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;

INSERT INTO `deepcate` VALUES (1,0,'新闻',0,0),(2,0,'图片',0,0),(3,1,'国内新闻',0,0),(4,1,'国外新闻',0,0),(5,2,'风景图片',0,0),(6,2,'美女图片',0,0),(7,4,'美国新闻',0,0),(8,3,'广东新闻',0,0),(9,5,'海滩风景',0,0),(10,6,'模特风采',0,0);


function getTree($list,$pid=0,$level=0 ){
    static $array=array();
    foreach($list as $key=>$value){
        if($value['auth_pid']==$pid){
            $value['level']=$level;
            $array[]=$value;
            getTree($list,$value['auth_id'],$level+1);
        }
    }
    return $array; 
}
getTree($list);

//全路径无限极分类
CREATE TABLE `fullpath` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `path` varchar(255) DEFAULT NULL COMMENT '全路径',
  `catename` varchar(255) DEFAULT NULL COMMENT '分类名称',
  `cateorder` int(11) DEFAULT NULL COMMENT '排序',
  `createtime` int(11) DEFAULT NULL COMMENT '创建时间',
  PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8;


INSERT INTO `fullpath` VALUES (1,'','手机',0,0),(2,'1','功能手机',0,0),(3,'1.2','老人手机',0,0),(4,'1.2','儿童手机',0,0),(5,'1','智能手机',0,0),(6,'1.5','IOS手机',0,0),(7,'1.5','WinPhoto手机',0,0),(8,'1.5','android手机',0,0),(9,'1.2.4','色盲手机',0,0),(10,'1.2.3','大字手机',0,0);


//必须用.进行连接  mysql order by 排序 规则
$data = 'select id,path,catename,concat(path,'.',id) as full from `fullpath` order by full asc';
foreach($data as $v ){
     $data[$k]->level=count(explode('.',trim($v->full,'.')));
}