<?
/**
* @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
function unsetTree(){
$this->data=array();
$this->child=array(-1=>array());
$this->layer=array(-1=>-1);
$this->parent=array();
}
/**
* Short description.
*
* Detail description
* @param none
* @global none
* @since 1.0
* @access private
* @return void
* @update date time
*/
function getChilds ($id = 0)
{
$child = array($id);
$this->getList($child, $id);
return $child;
} // end func
} // end class
/*
//new Tree(根目录的名字);
//根目录的ID自动分配为0
$Tree = new Tree('根目录');
//setNode(目录ID,上级ID,目录名字);
$Tree->setNode(1, 0, '目录1');
$Tree->setNode(2, 0, '目录2');
$Tree->setNode(3, 0, '目录3');
$Tree->setNode(4, 3, '目录3.1');
$Tree->setNode(5, 3, '目录3.2');
$Tree->setNode(6, 3, '目录3.3');
$Tree->setNode(7, 2, '目录2.1');
$Tree->setNode(8, 2, '目录2.2');
$Tree->setNode(9, 2, '目录2.3');
$Tree->setNode(10, 6, '目录3.3.1');
$Tree->setNode(11, 6, '目录3.3.2');
$Tree->setNode(12, 6, '目录3.3.3');
//getChilds(指定目录ID);
//取得指定目录下级目录.如果没有指定目录就由根目录开始
$category = $Tree->getChilds(2);
//遍历输出
foreach ($category as $key=>$id)
{
echo $Tree->getLayer($id, '|-').$Tree->getValue($id)."<br>\n";
}
*/
?>
/**
* @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
function unsetTree(){
$this->data=array();
$this->child=array(-1=>array());
$this->layer=array(-1=>-1);
$this->parent=array();
}
/**
* Short description.
*
* Detail description
* @param none
* @global none
* @since 1.0
* @access private
* @return void
* @update date time
*/
function getChilds ($id = 0)
{
$child = array($id);
$this->getList($child, $id);
return $child;
} // end func
} // end class
/*
//new Tree(根目录的名字);
//根目录的ID自动分配为0
$Tree = new Tree('根目录');
//setNode(目录ID,上级ID,目录名字);
$Tree->setNode(1, 0, '目录1');
$Tree->setNode(2, 0, '目录2');
$Tree->setNode(3, 0, '目录3');
$Tree->setNode(4, 3, '目录3.1');
$Tree->setNode(5, 3, '目录3.2');
$Tree->setNode(6, 3, '目录3.3');
$Tree->setNode(7, 2, '目录2.1');
$Tree->setNode(8, 2, '目录2.2');
$Tree->setNode(9, 2, '目录2.3');
$Tree->setNode(10, 6, '目录3.3.1');
$Tree->setNode(11, 6, '目录3.3.2');
$Tree->setNode(12, 6, '目录3.3.3');
//getChilds(指定目录ID);
//取得指定目录下级目录.如果没有指定目录就由根目录开始
$category = $Tree->getChilds(2);
//遍历输出
foreach ($category as $key=>$id)
{
echo $Tree->getLayer($id, '|-').$Tree->getValue($id)."<br>\n";
}
*/
?>
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