C#使用Jquery zTree实现树状结构显示_异步数据加载
JQuery-Ztree下载地址：https://github.com/zTree/zTree_v3
JQuery-Ztree数结构演示页面： http://www.treejs.cn/v3/demo.php#_101
关于zTree的详细解释请看演示页面，还有zTree帮助Demo。
下面简要讲解下本人用到的其中一个实例（直接上关键代码了）：
异步加载节点数据：
A-前台：
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<link href="zTree_v3-master/css/zTreeStyle/zTreeStyle.css" rel="stylesheet" /> <script src="zTree_v3-master/js/jquery.ztree.core.js" type="text/javascript"></script> <script language="JavaScript" type="text/javascript"> var setting = { async: { enable: true, url: "../Handler/ShoppingHandler.ashx", //请求的一般处理程序 autoParam: ["id"], //自带参数id--来自于节点id otherParam: { "type": "GetUserLevelList" }, //其他参数自定义 dataFilter: filter, //数据过滤 type: "post" //请求方式 } }; function filter(treeId, parentNode, childNodes) { if (!childNodes) return null; for (var i = 0, l = childNodes.length; i < l; i++) { childNodes[i].name = childNodes[i].name.replace(/\.n/g, '.'); } return childNodes; } $(document).ready(function () { $.fn.zTree.init($("#treeDemo"), setting); //渲染树结构 }); </script><div class="zTreeDemoBackground left"> <ul id="treeDemo" class="ztree"></ul></div> |
B后台：
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using MobileBusiness.Common.Data;using MobileBusiness.Library.Passport;using MobileBusiness.Shopping.Data;using MobileBusiness.Shopping.Data.Common;using MobileBusiness.Shopping.Data.Entity;using MobileBusiness.Web.Library.Script;using Newtonsoft.Json;using System;using System.Collections.Generic;using System.Linq;using System.Web;using ShoppingData = MobileBusiness.Shopping.Data.Entity;namespace MobileBusiness.Shopping.BusinessManage.Handler{ /// <summary> /// Shopping 的摘要说明 /// </summary> public class ShoppingHandler : IHttpHandler { //当前登录用户信息 WeChatUser weChatUser = WeChatIdentity.CurrentUser; public void ProcessRequest(HttpContext context) { string result = ""; if (context.Request["type"] != null) { string requestType = context.Request["type"]; try { switch (requestType) { //获取用户信息等级列表 case "GetUserLevelList": result = this.GetUserLevelList(context); break; default: break; } } catch (Exception ex) { result = ex.Message; } } context.Response.ContentType = "text/html"; context.Response.Write(result); context.Response.End(); } private string GetUserLevelList(HttpContext context) { string parentUserPhone = context.Request["id"]; return GetUserCollByPhone(parentUserPhone); } private string GetUserCollByPhone(string phone) { //编码，父编码，名称，是否打开，打开图片，关闭图片 //{ id:1, pId:0, name:"展开、折叠 自定义图标不同", open:true, iconOpen:"../../../css/zTreeStyle/img/diy/1_open.png", iconClose:"../../../css/zTreeStyle/img/diy/1_close.png"}, //编码，父编码，名称，是否打开，显示图片 //{ id: 11, pId: 1, name: "叶子节点1", icon: "../../../css/zTreeStyle/img/diy/2.png"}, List<object> result = new List<object>(); ShoppingData.UserInfoCollection userColl = ShoppingData.UserInfoAdapter.Instance.LoadByParentUserPhone(phone); userColl.ForEach(user => { result.Add(new { id = user.Phone, pid = phone, name = user.UserName, isParent = ShoppingData.UserInfoAdapter.Instance.LoadByParentUserPhone(user.Phone).Count > 0 ? true : false }); }); return JsonConvert.SerializeObject(result); } public bool IsReusable { get { return false; } } }} |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：http://www.cnblogs.com/lxhbky/archive/2016/12/18/6195053.html
