jEasyUI 创建异步树形菜单
jQuery EasyUI 树形菜单 -创建异步树形菜单
为了创建异步的树形菜单(Tree),每一个树节点必须要有一个 ‘id‘ 属性,这个将提交回服务器去检索子节点数据。
 
 
创建树形菜单(Tree)
<ul id="tt" class="easyui-tree" url="tree2_getdata.php"> </ul>
服务器端代码
	$id = isset($_POST[‘id‘]) ? intval($_POST[‘id‘]) : 0;
	include ‘conn.php‘;
	$result = array();
	$rs = mysql_query("select * from nodes where parentId=$id");
	while($row = mysql_fetch_array($rs)){
		$node = array();
		$node[‘id‘] = $row[‘id‘];
		$node[‘text‘] = $row[‘name‘];
		$node[‘state‘] = has_child($row[‘id‘]) ? ‘closed‘ : ‘open‘;
		array_push($result,$node);
	}
	echo json_encode($result);
	function has_child($id){
		$rs = mysql_query("select count(*) from nodes where parentId=$id");
		$row = mysql_fetch_array($rs);
		return $row[0] > 0 ? true : false;
	}