jQuery utilise le plug-in zTree pour implémenter le menu arborescent et le chargement asynchrone

jQuery utilise le plug-in zTree pour implémenter le menu arborescent et le chargement asynchrone_jquery

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Libérer： 2016-05-16 15:13:22

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L'exemple de cet article explique comment jQuery utilise le plug-in zTree pour implémenter le menu arborescent et le chargement asynchrone, et il peut être modifié et partagé avec tout le monde pour votre référence. Le contenu spécifique est le suivant

Rendu :

1.Code HTML

<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&#63;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>

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2. Données de fond des requêtes asynchrones :

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());
   }
  }
 }
}

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Ce qui précède est tout le code du plug-in zTree pour implémenter le menu arborescent et le chargement asynchrone. J'espère que cela sera utile à l'apprentissage de chacun.