/// 
 /// 区域 /// 
 public class Region { /// 
 /// 主键id /// 
 public int Id { get; set; } /// 
 /// 名称 /// 
 public string Name { get; set; } /// 
 /// 节点 /// 
 public string Node { get; set; } /// 
 /// 父节点 /// 
 public string ParentNode { get; set; } }

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

 #region GetRegionTree 初始化数据获取 的辅助方法 public RegionsTreeOutput LoadRegions(string id, List inRegions, RegionsTreeOutput outRegions) { List 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  ToTreesData(List listRegion) { var regions = new List(); for (int i = 0; i 

 /// 
 /// 初始化数据获取 /// 
 ///  public JsonResult GetResultData() { TreeDbContext db = new TreeDbContext(); var regions = db.Regions.Where(t => true).ToList(); var regionObj = LoadRegions("-1", regions, null); return Json(regionObj); }

 $(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 } }, }); }); });

 //删除节点 $('#jstree_demo').on('delete_node.jstree', function (e, data) { var id = data.node.original.RegionsId; $.ajax({ type: "get", url: "/Home/DeleteRegion?id=" + id, success: function (sData) { } }); }); //移动节点 $('#jstree_demo').on('move_node.jstree', function (e, data) { saveRegions(data); }); //修改名 $('#jstree_demo').on('rename_node.jstree', function (e, data) { saveRegions(data); }); //保存 function saveRegions(data) { var id = data.node.original.RegionsId; var name = data.node.text;//修改后的name //var oldName = data.old;//原name //var pNode = $('#jstree_demo').jstree().get_node(data.node.parent).original.RegionsId; var josnData = { "Id": id, "Node": data.node.id, "ParentNode": data.node.parent, "Name": name }; $.ajax({ url: "/Home/SaveRegions", data: josnData, success: function (sData) { data.node.original.RegionsId = sData; data.node.state.opened = false;//是否展开 } }); }

 function createTree() { var ref = $('#jstree_demo').jstree(true), sel = ref.get_selected(); if (!sel.length) { return false; } sel = sel[0]; sel = ref.create_node(sel, { "type": "file" }); if (sel) { ref.edit(sel); } }; function renameTree() { var ref = $('#jstree_demo').jstree(true), sel = ref.get_selected(); if (!sel.length) { return false; } sel = sel[0]; ref.edit(sel, function () { }); }; function deleteTree() { var ref = $('#jstree_demo').jstree(true), sel = ref.get_selected(); if (!sel.length) { return false; } ref.delete_node(sel); };