现有数组
$tree = array ( array ( 'ID' => 1, 'PARENT' => 0, 'NAME' => '祖父', 'CHILD' => array ( array ( 'ID' => 3, 'PARENT' => 1, 'NAME' => '叔伯' ), array ( 'ID' => 4, 'PARENT' => 1, 'NAME' => '父亲', 'CHILD' => array ( array ( 'ID' => 5, 'PARENT' => 4, 'NAME' => '儿子' ) ) ) ) ), array ( 'ID' => 2, 'PARENT' => 0, 'NAME' => '祖母' ) );
欲达到效果的HTML代码
<ul> <li>祖父 <ul> <li>叔伯</li> <li>父亲 <ul> <li>儿子</li> </ul> </li> </ul> </li> <li>祖母</li></ul>
不知道多维数组的具体维数,根据数据库得到的信息获得。
不使用递归,能实现这个效果吗
回复讨论(解决方案)
你是递归来的,当然应该递归去
$tree = array ( array ( 'ID' => 1, 'PARENT' => 0, 'NAME' => '祖父', 'CHILD' => array ( array ( 'ID' => 3, 'PARENT' => 1, 'NAME' => '叔伯' ), array ( 'ID' => 4, 'PARENT' => 1, 'NAME' => '父亲', 'CHILD' => array ( array ( 'ID' => 5, 'PARENT' => 4, 'NAME' => '儿子' ) ) ) ) ), array ( 'ID' => 2, 'PARENT' => 0, 'NAME' => '祖母' ) );function 递归($ar, $deep=0) { echo str_repeat("\t", $deep) . "<ul>\n"; foreach($ar as $item) { echo str_repeat("\t", $deep + 1) . "<li>$item[NAME]"; if(isset($item['CHILD'])) { echo "\n"; 递归($item['CHILD'], $deep+2); } echo "</li>\n"; } echo str_repeat("\t", $deep) . "</ul>\n";}递归($tree);
你是递归来的,当然应该递归去
$tree = array ( array ( 'ID' => 1, 'PARENT' => 0, 'NAME' => '祖父', 'CHILD' => array ( array ( 'ID' => 3, 'PARENT' => 1, 'NAME' => '叔伯' ), array ( 'ID' => 4, 'PARENT' => 1, 'NAME' => '父亲', 'CHILD' => array ( array ( 'ID' => 5, 'PARENT' => 4, 'NAME' => '儿子' ) ) ) ) ), array ( 'ID' => 2, 'PARENT' => 0, 'NAME' => '祖母' ) );function 递归($ar, $deep=0) { echo str_repeat("\t", $deep) . "<ul>\n"; foreach($ar as $item) { echo str_repeat("\t", $deep + 1) . "<li>$item[NAME]"; if(isset($item['CHILD'])) { echo "\n"; 递归($item['CHILD'], $deep+2); } echo "</li>\n"; } echo str_repeat("\t", $deep) . "</ul>\n";}递归($tree);
我这个不是通过递归获得的,是用你写的一篇文章中的方法 http://bbs.csdn.net/topics/370094009
数据原型为
$data = array( array('ID'=>1, 'PARENT'=>0, 'NAME'=>'祖父'), array('ID'=>2, 'PARENT'=>1, 'NAME'=>'父亲'), array('ID'=>3, 'PARENT'=>1, 'NAME'=>'叔伯'), array('ID'=>4, 'PARENT'=>2, 'NAME'=>'自己'), array('ID'=>5, 'PARENT'=>4, 'NAME'=>'儿子'),);
不递归能演变成我欲达到的HTML代码的效果吗
<ul> <li>祖父 <ul> <li>叔伯</li> <li>父亲 <ul> <li>儿子</li> </ul> </li> </ul> </li> <li>祖母</li></ul>

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