Das Beispiel in diesem Artikel erklärt, wie jQuery das zTree-Plug-in verwendet, um das Baummenü und das asynchrone Laden zu implementieren, und es kann zu Ihrer Referenz bearbeitet und mit allen geteilt werden. Der spezifische Inhalt ist wie folgt:
Rendering:
1. HTML-Code
<html> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <link href="zTree/css/demo.css" rel="stylesheet" /> <link href="zTree/css/zTreeStyle/zTreeStyle.css" rel="stylesheet" /> <script src="zTree/js/jquery-1.4.4.min.js"></script> <script src="zTree/js/jquery.ztree.core-3.5.js"></script> <script src="zTree/js/jquery.ztree.excheck-3.5.js"></script> <script src="zTree/js/jquery.ztree.exedit-3.5.js"></script> <script type="text/javascript"> var setting = { async: { enable: true, url: "AjaxPage/GetAjax.aspx?z=sdfww234edfsd", autoParam: ["id"], dataFilter: filter, contentType: "application/json", type:"get" }, view: { expandSpeed: "", addHoverDom: addHoverDom, removeHoverDom: removeHoverDom, selectedMulti: false }, check: { enable: true }, edit: { enable: true }, data: { simpleData: { enable: true } }, callback: { beforeRemove: beforeRemove, beforeRename: beforeRename, } }; 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; } function beforeRemove(treeId, treeNode) { var zTree = $.fn.zTree.getZTreeObj("treeDemo"); zTree.selectNode(treeNode); return confirm("确认删除 节点 -- " + treeNode.name + " 吗?"); } function beforeRename(treeId, treeNode, newName) { if (newName.length == 0) { alert("节点名称不能为空."); return false; } return true; } var newCount = 1; 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); console.log("add " + "#addBtn_" + treeNode.id); 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) { console.log("remove " + "#addBtn_" + treeNode.id); $("#addBtn_" + treeNode.tId).unbind().remove(); }; $(document).ready(function () { $.fn.zTree.init($("#treeDemo"), setting); }); </script> </head> <body> <ul id="treeDemo" class="ztree" style="width: 560px; overflow: auto;"></ul> </body> </html>
2. Hintergrunddaten asynchroner Anfragen:
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace CssStudyWeb.AjaxPage { public partial class GetAjax : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (Request.QueryString["z"] == "sdfww234edfsd")//根据会员卡号,查询会员卡信息 { StringBuilder sb = new StringBuilder(); sb.Append("["); sb.Append("{\"id\":\"1\",\"name\":\"销售单管理\",\"pId\":\"0\"},"); sb.Append("{\"id\":\"101\",\"name\":\"销售单列表\",\"pId\":\"1\"},"); sb.Append("{\"id\":\"102\",\"name\":\"销售单综合查询\",\"pId\":\"1\"},"); sb.Append("{\"id\":\"2\",\"name\":\"系统管理\",\"pId\":\"0\"},"); sb.Append("{\"id\":\"103\",\"name\":\"权限组管理\",\"pId\":\"2\"},"); sb.Append("{\"id\":\"104\",\"name\":\"权限菜单管理\",\"pId\":\"2\"}"); sb.Append("]"); Response.Write(sb.ToString()); } } } }
Das Obige ist der gesamte Code für das zTree-Plug-in zur Implementierung des Baummenüs und des asynchronen Ladens. Ich hoffe, dass es für das Lernen aller hilfreich sein wird.