树状组织结构-Tree

前端：

 $(function () {
            var nodeAll = "000";
            $(‘#departmentTree‘).tree({ url: ‘getDepartment.ashx‘,
                onClick: function (node) {
                    //$(this).tree(‘toggle‘, node.target);
                    $("#hidSelectednodeId").val(node.id);
                    $("#btnQuery").click();
                },
                onBeforeExpand: function (node) {
                    $(this).tree(‘options‘).url = ‘getDepartment.ashx?depid=‘ + node.id;
                    return true;
                }
            });
        });

<ul id="departmentTree" class="ztree"> </ul>