这段时间在写一个部门权限系统，需要用到无限分类技术，找了很多关于分类的代码.逐个收藏起来
/**
* @author YangHuan
* @datetime
* @version 1.0.0
*/
/**
* Short description.
*
* Detail description
* @author
* @version 1.0
* @copyright
* @access public
*/
class Tree
{
/**
* Description
* @var
* @since 1.0
* @access private
*/
var $data = array();
/**
* Description
* @var
* @since 1.0
* @access private
*/
var $child = array(-1=>array());
/**
* Description
* @var
* @since 1.0
* @access private
*/
var $layer = array(-1=>-1);
/**
* Description
* @var
* @since 1.0
* @access private
*/
var $parent = array();
/**
* Short description.
*
* Detail description
* @param none
* @global none
* @since 1.0
* @access private
* @return void
* @update date time
*/
function Tree ($value)
{
$this->setNode(0, -1, $value);
} // end func
/**
* Short description.
*
* Detail description
* @param none
* @global none
* @since 1.0
* @access private
* @return void
* @update date time
*/
function setNode ($id, $parent, $value)
{
$parent = $parent?$parent:0;
$this->data[$id] = $value;
$this->child[$id] = array();
$this->child[$parent][] = $id;
$this->parent[$id] = $parent;
if (!isset($this->layer[$parent]))
{
$this->layer[$id] = 0;
}
else
{
$this->layer[$id] = $this->layer[$parent] + 1;
}
} // end func
/**
* Short description.
*
* Detail description
* @param none
* @global none
* @since 1.0
* @access private
* @return void
* @update date time
*/
function getList (&$tree, $root= 0)
{
foreach ($this->child[$root] as $key=>$id)
{
$tree[] = $id;
if ($this->child[$id]) $this->getList($tree, $id);
}
} // end func
/**
* Short description.
*
* Detail description
* @param none
* @global none
* @since 1.0
* @access private
* @return void
* @update date time
*/
function getValue ($id)
{
return $this->data[$id];
} // end func
/**
* Short description.
*
* Detail description
* @param none
* @global none
* @since 1.0
* @access private
* @return void
* @update date time
*/
function getLayer ($id, $space = false)
{
return $space?str_repeat($space, $this->layer[$id]):$this->layer[$id];
} // end func
/**
* Short description.
*
* Detail description
* @param none
* @global none
* @since 1.0
* @access private
* @return void
* @update date time
*/
function getParent ($id)
{
return $this->parent[$id];
} // end func
/**
* Short description.
*
* Detail description
* @param none
* @global none
* @since 1.0
* @access private
* @return void
* @update date time
*/
function getParents ($id)
{
while ($this->parent[$id] != -1)
{
$id = $parent[$this->layer[$id]] = $this->parent[$id];
}
ksort($parent);
reset($parent);
return $parent;
} // end func
/**
* Short description.
*
* Detail description
* @param none
* @global none
* @since 1.0
* @access private
* @return void
* @update date time
*/
function getChild ($id)
{
return $this->child[$id];
} // end func
/**
* Short description.
*
* Detail description
* @param none
* @global none
* @since 1.0
* @access private
* @return void
* @update date time
*/
function getChilds ($id = 0)
{
$child = array($id);
$this->getList($child, $id);
return $child;
} // end func
} // end class
?>
以上就是PHP无限分类的类的详细内容，更多请关注0133技术站其它相关文章！
