html
<div id="jstree1"> 加载中... </div>
ajax 获取json的js
var lefttree = null; function getLeftTree() { lefttree = $(‘#jstree1‘); lefttree.data("jstree", false).empty(); lefttree.jstree({ core: { check_callback: true, data: function (obj, callback) { var jsonarray; var paramter = {}; paramter.op = "cms"; paramter.om = "dict"; paramter.action = "dictjson2"; paramter.parentId = parentId; //Loading(); var json = getJson(paramter, false); if (json.result) { jsonarray = json.data; } callback.call(this, jsonarray); //return jsonarray; }, strings: { ‘Loading ...‘: ‘正在加载...‘ } }, plugins: [‘types‘, ‘dnd‘], }); lefttree.jstree().hide_icons(); lefttree.bind("activate_node.jstree", function (e, data) { console.log(JSON.stringify(data.node)); }); }
getJson
function getJson(paramter, async) { var result = ""; try { paramter.timeUnix = new Date().getTime(); $.ajax({ type: "post", url: "/Ajax", data: paramter, dataType: "json", async: async, beforeSend: function (XMLHttpRequest) { }, success: function (json) { result = json; }, complete: function (XMLHttpRequest, textStatus) { }, error: function () { alert("服务器没有返回数据，可能服务器忙，请重试"); } }); } catch (ex) { alert("出错了，可能服务器忙，请重试"); bwjsLoadingClose(); } return result; }
json
[{ "id": 0, "text": "根目录", "state": { "opened": true }, "children": [{ "id": 10000, "text": "系统管理", "parentId": 0, "state": { "opened": false }, "children": [{ "id": 10002, "text": "机构管理", "parentId": 10000, "state": { "opened": false } }, { "id": 10003, "text": "用户管理", "parentId": 10000, "state": { "opened": false } }, { "id": 10031, "text": "密码管理", "parentId": 10000, "state": { "opened": false } }] }, { "id": 10004, "text": "年度检查", "parentId": 0, "state": { "opened": false }, "children": [{ "id": 10032, "text": "油站信息查询", "parentId": 10004, "state": { "opened": false } }, { "id": 10033, "text": "地区/县、市年检信息审批", "parentId": 10004, "state": { "opened": false } }, { "id": 10034, "text": "年检审批进度查询", "parentId": 10004, "state": { "opened": false } }, { "id": 10035, "text": "成品油零售企业基本情况", "parentId": 10004, "state": { "opened": false } }, { "id": 10036, "text": "成品油批发企业基本情况", "parentId": 10004, "state": { "opened": false } }, { "id": 10037, "text": "成品油仓储企业基本情况", "parentId": 10004, "state": { "opened": false } }, { "id": 10038, "text": "加油站基本情况", "parentId": 10004, "state": { "opened": false } }, { "id": 10039, "text": "成品油销售比例图", "parentId": 10004, "state": { "opened": false } }, { "id": 10040, "text": "成品油销售趋势图", "parentId": 10004, "state": { "opened": false } }, { "id": 10041, "text": "未提交年检信息查询", "parentId": 10004, "state": { "opened": false } }, { "id": 10050, "text": "油站信息录入", "parentId": 10004, "state": { "opened": false } }, { "id": 10051, "text": "年检信息录入", "parentId": 10004, "state": { "opened": false } }] }, { "id": 10005, "text": "销售统计", "parentId": 0, "state": { "opened": false }, "children": [{ "id": 10042, "text": "油站销售录入", "parentId": 10005, "state": { "opened": false } }, { "id": 10043, "text": "销售量查询", "parentId": 10005, "state": { "opened": false } }, { "id": 10044, "text": "月销售量统计", "parentId": 10005, "state": { "opened": false } }, { "id": 10045, "text": "年销售量统计", "parentId": 10005, "state": { "opened": false } }, { "id": 10046, "text": "未提交销量信息查询", "parentId": 10005, "state": { "opened": false } }] }, { "id": 10048, "text": "消息管理", "parentId": 0, "state": { "opened": false }, "children": [{ "id": 10049, "text": "事件提醒", "parentId": 10048, "state": { "opened": false } }] }, { "id": 10030, "text": "系统设置", "parentId": 0, "state": { "opened": false }, "children": [{ "id": 10001, "text": "菜单管理", "parentId": 10030, "state": { "opened": false } }, { "id": 10008, "text": "数据字典", "parentId": 10030, "state": { "opened": false } }, { "id": 10006, "text": "角色管理", "parentId": 10030, "state": { "opened": false } }] }] }]
js刷新
lefttree.jstree(true).refresh();
原文：https://www.cnblogs.com/hofmann/p/12844311.html