<link href="~/Content/Tree1/css/bootstrap.min.css" rel="external nofollow" rel="stylesheet" />
 <link href="~/Content/Tree1/css/style.css" rel="external nofollow" rel="stylesheet" />

 <script src="~/Scripts/jquery-1.10.2.js"></script>
 <script type="text/javascript">
　　$(function(){
 　　$('.tree li:has(ul)').addClass('parent_li').find(' > span').attr('title', 'Collapse this branch');
 　　$('.tree li.parent_li > span').on('click', function (e) {
 　　 var children = $(this).parent('li.parent_li').find(' > ul > li');
 　　if (children.is(":visible")) {
  　　children.hide('fast');
  　　$(this).attr('title', 'Expand this branch').find(' > i').addClass('icon-plus-sign').removeClass('icon-minus-sign');
 　　} else {
  　　children.show('fast');
  　　$(this).attr('title', 'Collapse this branch').find(' > i').addClass('icon-minus-sign').removeClass('icon-plus-sign');
 　　}
 　　e.stopPropagation();
 　　});
　　});
 </script>
<div class="tree well">
 <ul>
  <li>
  <span><i class="icon-folder-open"></i> 顶级节点1</span> <a href="">Goes somewhere</a>
  <ul>
   <li>
   <span><i class="icon-minus-sign"></i> 一级节点1</span> <a href=""></a>
   <ul>
    <li>
    <span><i class="icon-leaf"></i> 二级节点1_1</span> <a href=""></a>
    </li>
   </ul>
   </li>
   <li>
   <span><i class="icon-minus-sign"></i> 一级节点2</span> <a href=""></a>
   <ul>
    <li>
    <span><i class="icon-leaf"></i>二级节点2_1</span> <a href=""></a>
    </li>
    <li>
    <span><i class="icon-minus-sign"></i> 二级节点2_2</span> <a href=""></a>
    <ul>
     <li>
     <span><i class="icon-minus-sign"></i>三级节点2_1</span> <a href=""></a>
     <ul>
      <li>
      <span><i class="icon-leaf"></i>四级节点2_1</span> <a href=""></a>
      </li>
      <li>
      <span><i class="icon-leaf"></i> 四级节点2_2</span> <a href=""></a>
      </li>
     </ul>
     </li>
     <li>
     <span><i class="icon-leaf"></i>三级节点2_2</span> <a href=""></a>
     </li>
     <li>
     <span><i class="icon-leaf"></i> 三级节点2_3</span> <a href=""></a>
     </li>
    </ul>
    </li>
    <li>
    <span><i class="icon-leaf"></i>二级节点2_3</span> <a href=""></a>
    </li>
   </ul>
   </li>
  </ul>
  </li>
  <li>
  <span><i class="icon-folder-open"></i> 顶级节点2</span> <a href=""></a>
  <ul>
   <li>
   <span><i class="icon-leaf"></i> 一级节点2_1</span> <a href=""></a>
   </li>
  </ul>
  </li>
 </ul>
 </div>

 <script src="~/Scripts/jquery-1.10.2.js"></script>
 <script src="~/Content/bootstrap/js/bootstrap.js"></script>
 <link href="~/Content/bootstrap/css/bootstrap.css" rel="external nofollow" rel="stylesheet" />
 <script src="~/Scripts/jquery.ztree.all-3.5.js"></script>
 <link href="~/Content/zTree.theme.metro.css" rel="external nofollow" rel="stylesheet" />

<div id="menuContent" class="menuContent" style="width:95%;border:1px solid rgb(170,170,170);z-index:10;">
  <ul id="treeDemo" class="ztree" style="margin-top:0; width:100%; height:auto;"></ul>
 </div>

var setting = {
 view: {
 addHoverDom: addHoverDom,
 removeHoverDom: removeHoverDom,
 selectedMulti: false
 },
 check: {
 enable: true
 },
 data: {
 simpleData: {
  enable: true
 }
 },
 edit: {
 enable: false
 }
};
var zNodes = [
 { id: 1, pId: 0, name: "父节点1", open: true },
 { id: 11, pId: 1, name: "父节点11" },
 { id: 111, pId: 11, name: "叶子节点111" },
 { id: 112, pId: 11, name: "叶子节点112" },
 { id: 113, pId: 11, name: "叶子节点113" },
 { id: 114, pId: 11, name: "叶子节点114" },
 { id: 12, pId: 1, name: "父节点12" },
 { id: 121, pId: 12, name: "叶子节点121" },
 { id: 122, pId: 12, name: "叶子节点122" },
 { id: 123, pId: 12, name: "叶子节点123" },
 { id: 124, pId: 12, name: "叶子节点124" },
 { id: 13, pId: 1, name: "父节点13", isParent: true },
 { id: 2, pId: 0, name: "父节点2" },
 { id: 21, pId: 2, name: "父节点21", open: true },
 { id: 211, pId: 21, name: "叶子节点211" },
 { id: 212, pId: 21, name: "叶子节点212" },
 { id: 213, pId: 21, name: "叶子节点213" },
 { id: 214, pId: 21, name: "叶子节点214" },
 { id: 22, pId: 2, name: "父节点22" },
 { id: 221, pId: 22, name: "叶子节点221" },
 { id: 222, pId: 22, name: "叶子节点222" },
 { id: 223, pId: 22, name: "叶子节点223" },
 { id: 224, pId: 22, name: "叶子节点224" },
 { id: 23, pId: 2, name: "父节点23" },
 { id: 231, pId: 23, name: "叶子节点231" },
 { id: 232, pId: 23, name: "叶子节点232" },
 { id: 233, pId: 23, name: "叶子节点233" },
 { id: 234, pId: 23, name: "叶子节点234" },
 { id: 3, pId: 0, name: "父节点3", isParent: true }
];
$(document).ready(function () {
 $.fn.zTree.init($("#treeDemo"), setting, zNodes);
});
function addHoverDom(treeId, treeNode) {
 var sObj = $("#" + treeNode.tId + "_span");
 if (treeNode.editNameFlag || $("#addBtn_" + treeNode.tId).length > 0) return;
 var addStr = "<span class='button add' id='addBtn_" + treeNode.tId
 + "' title='add node' onfocus='this.blur();'></span>";
 sObj.after(addStr);
 var btn = $("#addBtn_" + treeNode.tId);
 if (btn) btn.bind("click", function () {
 var zTree = $.fn.zTree.getZTreeObj("treeDemo");
 zTree.addNodes(treeNode, { id: (100 + newCount), pId: treeNode.id, name: "new node" + (newCount++) });
 return false;
 });
};
function removeHoverDom(treeId, treeNode) {
 $("#addBtn_" + treeNode.tId).unbind().remove();
};

　　　　<input type="text" class="form-control" id="txt_ztree" placeholder="点击文本框出现ztree" onclick="showMenu()" />
  <div id="menuContent2" class="menuContent" style="display:none;position: absolute;width:95%;border:1px solid rgb(170,170,170);z-index:10;">
  <ul id="treeDemo2" class="ztree" style="margin-top:0; width:160px; height:auto;"></ul>
  </div>

var setting2 = {
 check: {
 enable: true,
 chkStyle: "radio",
 radioType: "all"
 },
 view: {
 dblClickExpand: false
 },
 data: {
 simpleData: {
  enable: true
 }
 },
 callback: {
 onClick: onClickNode,
 onCheck: onCheck
 }
};
var zNodes = [
 { id: 1, pId: 0, name: "父节点1", open: true },
 { id: 11, pId: 1, name: "父节点11" },
 { id: 111, pId: 11, name: "叶子节点111" },
 { id: 112, pId: 11, name: "叶子节点112" },
 { id: 113, pId: 11, name: "叶子节点113" },
 { id: 114, pId: 11, name: "叶子节点114" },
 { id: 12, pId: 1, name: "父节点12" },
 { id: 121, pId: 12, name: "叶子节点121" },
 { id: 122, pId: 12, name: "叶子节点122" },
 { id: 123, pId: 12, name: "叶子节点123" },
 { id: 124, pId: 12, name: "叶子节点124" },
 { id: 13, pId: 1, name: "父节点13", isParent: true },
 { id: 2, pId: 0, name: "父节点2" },
 { id: 21, pId: 2, name: "父节点21", open: true },
 { id: 211, pId: 21, name: "叶子节点211" },
 { id: 212, pId: 21, name: "叶子节点212" },
 { id: 213, pId: 21, name: "叶子节点213" },
 { id: 214, pId: 21, name: "叶子节点214" },
 { id: 22, pId: 2, name: "父节点22" },
 { id: 221, pId: 22, name: "叶子节点221" },
 { id: 222, pId: 22, name: "叶子节点222" },
 { id: 223, pId: 22, name: "叶子节点223" },
 { id: 224, pId: 22, name: "叶子节点224" },
 { id: 23, pId: 2, name: "父节点23" },
 { id: 231, pId: 23, name: "叶子节点231" },
 { id: 232, pId: 23, name: "叶子节点232" },
 { id: 233, pId: 23, name: "叶子节点233" },
 { id: 234, pId: 23, name: "叶子节点234" },
 { id: 3, pId: 0, name: "父节点3", isParent: true }
];
//初始化
$(document).ready(function () {
 $.fn.zTree.init($("#treeDemo2"), setting2, zNodes);
});
//显示菜单
function showMenu() {
 $("#menuContent2").css({ left: "15px", top: "34px" }).slideDown("fast");
 $("body").bind("mousedown", onBodyDown);
}
//隐藏菜单
function hideMenu() {
 $("#menuContent2").fadeOut("fast");
 $("body").unbind("mousedown", onBodyDown);
}
function onBodyDown(event) {
 if (!(event.target.id == "menuBtn" || event.target.id == "menuContent2" || event.target.id == "txt_ztree" || $(event.target).parents("#menuContent2").length > 0)) {
 hideMenu();
 }
}
//节点点击事件
function onClickNode(e, treeId, treeNode) {
 var zTree = $.fn.zTree.getZTreeObj("treeDemo");
 zTree.checkNode(treeNode, !treeNode.checked, null, true);
 return false;
}
//节点选择事件
function onCheck(e, treeId, treeNode) {
 var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
 nodes = zTree.getCheckedNodes(true),
 v = "";
 var parentid = "";
 var parentlevel = "";
 for (var i = 0, l = nodes.length; i < l; i++) {
 v += nodes[i].name + ",";
 parentid += nodes[i].id + ",";
 parentlevel += nodes[i].menu_level + ",";
 }
 if (v.length > 0) {
 v = v.substring(0, v.length - 1);
 parentid = parentid.substring(0, parentid.length - 1);
 parentlevel = parentlevel.substring(0, parentlevel.length - 1);
 }
 else {
 return;
 }
 hideMenu();
}