实现了无限分类,但是想要显示呈现树状图,该怎么处理

WBOY
Release: 2016-06-13 10:13:22
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实现了无限分类,但是想要显示呈现树状图
如根目录
  |____大类1
  | |—小类1
  | |—小类2
  |____大类2
 无限分类我用递归法已经实现了,但是想要在选择框内这样显示出来应该怎么办?

------解决方案--------------------
这种东西网上很多的,找找一大堆

http://www.oschina.net/code/snippet_99943_1452
------解决方案--------------------

PHP code
foreach($result as $res){  foreach($$res as $r){    if($r['id'] == $res['id'])      echo "| |- 小".$r['id']."<br>";  }  echo "| - - 大".$r['id']."<br>";}<br><font color="#e78608">------解决方案--------------------</font><br>选择框显示是同样的道理。 嵌入select控件就是了。<br><font color="#e78608">------解决方案--------------------</font><br>先给出你获得的数据(只要有代表性即可,无需完整数据)<div class="clear">
                 
              
              
        
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