jQuery EasyUI 樹形菜單 – 創建異步樹形菜單
jQuery EasyUI 樹形菜單 - 創建異步樹形菜單
為了創建異步的樹形菜單(Tree),每一個樹節點必須要有一個 'id' 屬性,這個將提交回服務器去檢索子節點數據。
創建樹形菜單(Tree)
<ul id="tt" class="easyui-tree" url="tree2_getdata.asp"> </ul>
服務器端代碼
$id = isset($_POST['id']) ? intval($_POST['id']) : 0;
include 'conn.asp';
$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;
}