php代碼如下：//模擬數(shù)據(jù)庫$data=array(array('id'=>1,'pid'=>0,'name'=>'欄目一'),array('id'=>2,'pid'=>1,'name'=>'子欄目'),array('id'=>3,'pid'=>1,'name'=>'二級(jí)欄目一'),array('id'=>4,'pid'=>3,'name'=>'三級(jí)欄目一'),array('id'=>5,'pid'=>4,'name'=>'四級(jí)欄目一'),array('id'=>6,'pid'=>0,'name'=>'一級(jí)欄目一'),array('id'=>7,'pid'=>2,'name'=>'一級(jí)欄目二'),array('id'=>8,'pid'=>1,'name'=>'二級(jí)欄目一'),array('id'=>9,'pid'=>2,'name'=>'三級(jí)欄目一'),array('id'=>10,'pid'=>3,'name'=>'四級(jí)欄目一'),);//轉(zhuǎn)換數(shù)據(jù)$tree_data=array();foreach ($data as $key=>$value){$tree_data[$value['id']]=array('id'=>$value['id'],'parentid'=>$value['pid'],'name'=>$value['name']);}/*** 輸出樹形結(jié)構(gòu)*/$tree=new Tree();$tree->init($tree_data);echo "<div class='tree well'>";echo $tree->get_treeview(0, $str);echo "</div>";