/// <summary>
/// Dto
/// </summary>
public class RegionsTreeOutput
{/// <summary>/// Id/// </summary>public int RegionsId { get; set; }/// <summary>/// tree显示文本（对应region的name）/// </summary>public string text { get; set; }/// <summary>/// tree的id（对应Node）/// </summary>public string id { get; set; }      /// <summary>/// 子节点数据（此属性就体现的数据的层级关系）/// </summary>public List<RegionsTreeOutput> children { get; set; }
}

  #region GetRegionTree 初始化数据获取 的辅助方法public RegionsTreeOutput LoadRegions(string id, List<Region> inRegions, RegionsTreeOutput outRegions){List<Region> regions = inRegions.Where(t => t.ParentNode == id).ToList();if (outRegions == null)//加载父节点
            {outRegions = ToTreeData(regions[0]);LoadRegions(outRegions.id, inRegions, outRegions);}else//加载子节点
            {outRegions.children = ToTreesData(regions);if (regions.Count > 0){for (int i = 0; i < regions.Count; i++){LoadRegions(regions[i].Node, inRegions, outRegions.children[i]);//递归调用
                    }}}return outRegions;}public RegionsTreeOutput ToTreeData(Region region){var treeData = new RegionsTreeOutput();treeData.id = region.Node;treeData.text = region.Name;treeData.RegionsId = region.Id;            return treeData;}public List<RegionsTreeOutput> ToTreesData(List<Region> listRegion){var regions = new List<RegionsTreeOutput>();for (int i = 0; i < listRegion.Count; i++){regions.Add(ToTreeData(listRegion[i]));}return regions;}#endregion

 $(function () {$.post("/Home/GetResultData", null, function (sData) {treeObj = $('#jstree_demo').jstree({//, "checkbox"'plugins': ["contextmenu", "dnd", "search", "state", "types", "wholerow"],'core': {"animation": 0,"check_callback": true,'force_text': true,"themes": { "stripes": true },'data': sData},"types": {"default": {"icon": "fa fa-folder icon-state-warning icon-lg"},"file": {"icon": "fa fa-file icon-state-warning icon-lg"}},"contextmenu": {select_node: false,show_at_node: true,items: function (o, cb) {//因为这里我们之后需要定义多个项,所以通过对象的方式返回var actions = {};//添加一个"新增"右键菜单actions.create = {//这里的create其实阔以随意命名,关键是里面的 这里面的 action回调方法"separator_before": false,//Create这一项在分割线之前"separator_after": true,//Create这一项在分割线之后"_disabled": false, //false表示 create 这一项可以使用; true表示不能使用"label": "新增",  //Create这一项的名称 可自定义"action": function (data) {  //点击Create这一项触发该方法,这理还是蛮有用的var inst = $.jstree.reference(data.reference),obj = inst.get_node(data.reference);//获得当前节点,可以拿到当前节点所有属性//新加节点,以下三行代码注释掉就不会添加节点inst.create_node(obj, {}, "last", function (new_node) {setTimeout(function () { inst.edit(new_node); }, 0);//新加节点后触发 重命名方法,即 创建节点完成后可以立即重命名节点
                                    });}};if (o.id != "0001")//屏蔽对根节点的操作  “0001”改成根节点对应的真是id
                            {//添加一个"重命名"右键菜单actions.rename = {"separator_before": false,"separator_after": false,"_disabled": false, //(this.check("rename_node", data.reference, this.get_parent(data.reference), "")),"label": "重命名","action": function (data) {var inst = $.jstree.reference(data.reference),obj = inst.get_node(data.reference);inst.edit(obj);}}//添加一个"删除"右键菜单actions.delete = {"separator_before": false,"icon": false,"separator_after": false,"_disabled": false, //(this.check("delete_node", data.reference, this.get_parent(data.reference), "")),"label": "删除","action": function (data) {var inst = $.jstree.reference(data.reference),obj = inst.get_node(data.reference);if (inst.is_selected(obj)) {inst.delete_node(inst.get_selected());}else {inst.delete_node(obj);}}};}return actions;//返回右键菜单项
                        }},});});});