本款php无限分类代码比较完整理包括了数据库是mysql的,有增加、删除、编辑、移动的功能,同时还提供数据库sql表结构.代码如下:
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$link = mysql_connect('localhost','root','') or die(mysql_error());
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mysql_select_db('class',$link)or die(mysql_error());
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mysql_query("set names gbk");
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class sortclass{
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var $data = array();
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var $child = array(-1=>array());
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var $layer = array(-1=>-1);
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var $parent = array();
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var $link;
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var $table;
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function sortclass($link, $table){
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$this->setnode(0, -1, '顶极节点');
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$this->link = $link;
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$this->table = $table;
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$node = array();
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$results = mysql_query("select * from $this->table",$this->link);
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while($node = mysql_fetch_array($results)){
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$this->setnode($node['id'],$node['f_id'],$node['name']);
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}
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}
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function setnode ($id, $parent, $value){
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$parent = $parent?$parent:0;
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$this->data[$id] = $value;
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$this->child[$id] = array();
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$this->child[$parent][] = $id;
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$this->parent[$id] = $parent;
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$this->layer[$id] = !isset($this->layer[$parent])? 0 : $this->layer[$parent] + 1;
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}
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function getlist (&$tree, $root= 0){
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foreach ($this->child[
