设计树状结构货品分类状态

 1 <?php
 2 header(‘Content-Type:text/html; charset=utf-8‘);
 3 $mp = array(
 4     ‘name‘ => ‘手机‘, ‘children‘ => array(
 5         array(‘name‘ => ‘非智能机‘),
 6         array(‘name‘ => ‘智能机‘, ‘children‘ =>array(
 7             array(‘name‘ => ‘安卓机‘),
 8             array(‘name‘ => ‘苹果机‘),
 9             array(‘name‘ => ‘WP机‘)
10         ))
11     )
12 );
13 
14 $cp =array(
15     ‘name‘ => ‘电脑‘, ‘children‘ => array(
16         array(‘name‘ => ‘电脑整机‘, ‘children‘ => array(
17             array(‘name‘ => ‘笔记本‘),
18             array(‘name‘ => ‘超极本‘),
19             array(‘name‘ => ‘游戏本‘)
20         )),
21         array(‘name‘ => ‘电脑配件‘, ‘children‘ => array(
22             array(‘name‘ => ‘CPU‘),
23             array(‘name‘ => ‘主板‘)
24         ))
25     )
26 );
27 
28 $goodsCats = array($mp, $cp);
29 
30 //递归遍历$goodsCat中的所有元素
31 function tree($goodsCats, $deep=0){
32     //1:定义一个容器装所有的分类
33     static $tree = array();
34     //2:定义一个变量来记录分类的级别
35     ++$deep;
36     foreach($goodsCats as $goodsCat){
37         $treeCat = array(‘name‘ => $goodsCat[‘name‘]);  //将分类名字存放到数组中
38         $treeCat[‘deep‘] = $deep;                       //将分类级别也存放到数组中
39         $tree[] = $treeCat;                             //将每次循环的分类存放起来
40         //检查每个分类下是否有子分类，如果有，继续遍历
41         if(isset($goodsCat[‘children‘])){
42             tree($goodsCat[‘children‘],$deep);
43         }
44     }
45      return $tree;
46 }
47 
48 $treeData = tree($goodsCats);
49 
50 foreach($treeData as $catData){
51     echo str_repeat(‘------‘,($catData[‘deep‘]-1)).$catData[‘name‘]."<br/>";
52 }