zTree 异步加载

zTree异步加载数据的简单实现，更为详细的Api请参考 zTree官网   http://www.treejs.cn/

 <link href="~/Content/ztree/css/zTreeStyle.css" rel="stylesheet" />
 <script src="~/Content/ztree/js/jquery-1.4.4.min.js"></script>
 <script src="~/Content/ztree/js/jquery.ztree.core.js"></script>

 <script type="text/javascript">
     var setting = {
         async: {
             enable: true,
             url: "/ZTree/LoadTree",//异步加载时的请求地址
             autoParam: ["id"],//提交参数
             type: 'get',
             dataType: 'json'
         },
         checkable: true,
         showIcon: true,
         showLine: true,
         data: {
             simpleData: {
                 enable: true
             }
         },
         expandSpeed: "",
         callback: {
             onClick: zTreeOnClick
         }
     };

     $(document).ready(function () {
         $.ajax({
             url: '/ZTree/LoadTree',
             type: 'get',
             dataType: 'json',
             success: function (data) {
                 $.fn.zTree.init($("#treeDemo"), setting, data);
             }
         });
     });

     //单击时获取zTree节点的Id,和value的值
     function zTreeOnClick(event, treeId, treeNode, clickFlag) {
         var treeValue = treeNode.id + "," + treeNode.name;
         //alert(treeNode.id + "," + treeNode.name);
     };
 </script>

 <div>
     <ul id="treeDemo" class="ztree"></ul>
 </div>

 public class ZTreeController : Controller
 {
         //测试数据
         List<TreeModel> list = new List<TreeModel>
         {
             new TreeModel { Id = , PId= , Name = "第一级 1", IsParent = true },
             new TreeModel { Id = , PId= , Name = "第二级 1", IsParent = true },
             new TreeModel { Id = , PId= , Name = "第三级 1", IsParent = false },
             new TreeModel { Id = , PId= , Name = "第一级 2", IsParent = true },
             new TreeModel { Id = , PId= , Name = "第二级 2", IsParent = true },
             new TreeModel { Id = , PId= , Name = "第三级 2", IsParent = true },
             new TreeModel { Id = , PId= , Name = "第四级 2", IsParent = true },
             new TreeModel { Id = , PId= , Name = "第五级 2", IsParent = false }
         };

         public ActionResult Index()
         {
             return View();
         }

         public string LoadTree(int id = )
         {
             List<TreeModel> listView = list.Where(p => p.PId == id).ToList();

             var jsonSerializerSettings = new JsonSerializerSettings
             {
                 ContractResolver = new CamelCasePropertyNamesContractResolver()
             };
             return JsonConvert.SerializeObject(listView, Formatting.None, jsonSerializerSettings);
         }

 }