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JQuery ZTree使用方法详解

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JQuery ZTree简单使用

@(JavaScript)[jQuery, ztree, 入门]

基本概述

zTree 是一个依靠 jQuery 实现的多功能 “树插件”。优异的性能、灵活的配置、多种功能的组合是 zTree 最大优点。专门适合项目开发，尤其是 树状菜单、树状数据的Web显示、权限管理等等。

zTree 是开源免费的软件（MIT 许可证）。在开源的作用下，zTree 越来越完善，目前已经拥有了不少粉丝，并且今后还会推出更多的 zTree 扩展功能库，让 zTree 更加强大。            ——参考《百度百科》

官网：zTree官网

PS：zTree的官方API文档和demo挺详细的，值得一读。

案例

使用标准json数据构造ztree

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
  <head>
   <meta charset="UTF-8">
   <title>ztree测试</title>
   <link rel="stylesheet" type="text/css" href="${pageContext.request.contextPath}/js/easyui/themeshttps://img.qb5200.com/download-x/default/easyui.css">
   <link rel="stylesheet" type="text/css" href="${pageContext.request.contextPath}/js/easyui/themes/icon.css">
   <script type="text/javascript" src="${pageContext.request.contextPath}/js/jquery-1.8.3.js"></script>
   <script type="text/javascript" src="${pageContext.request.contextPath}/js/easyui/jquery.easyui.min.js"></script>
   <link rel="stylesheet" href="${pageContext.request.contextPath}/js/ztree/zTreeStyle.css" type="text/css">
   <script type="text/javascript" src="${pageContext.request.contextPath}/js/ztree/jquery.ztree.all-3.5.js"></script>

   <script type="text/javascript">
    $(function(){
     $("#btn").click(function() {
      var isExists = $("#et").tabs("exists", "标题");
      if(isExists) {
        $("#et").tabs("select","标题");
      } else {
        $("#et").tabs("add", {
         title:"标题",
         closable:true,
         iconCls:"icon-save",
         content:"<iframe frameborder='no' height='100%' width='100%' src='3-tabs.jsp'></iframe>"
        });
      }
     });
    });
   </script>
   <!-- 使用标准json数据构造ztree -->
   <script type="text/javascript">
    $(function() {
     var setting = {};

     var zNodes = [
         {name:'结点1',children:[
              {name:'结点11'},
              {name:'结点12'}
              ]},
         {name:'结点2'},
         {name:'结点3'}
         ];

     $.fn.zTree.init($("#ztree1"), setting, zNodes);
    });
   </script>
  </head>
  <body class="easyui-layout">
   <!-- 分为五个区域 -->
   <div style="height: 100px;" data-options="region:'north'">北部区域</div>
   <div style="width: 200px;" data-options="region:'west'">
    <div class="easyui-accordion" data-options="fit:true">
     <div data-options="iconCls:'icon-save'" title="系统菜单">
      <a id="btn" class="easyui-linkbutton">按钮</a>
     </div>
     <div data-options="iconCls:'icon-remove'" title="业务菜单">
      <ul id="ztree1" class="ztree"></ul>
     </div>
     <div data-options="iconCls:'icon-remove'" title="功能菜单">内容3</div>
     <div data-options="iconCls:'icon-remove'" title="非功能菜单">内容4</div>
    </div>
   </div>
   <div style="" data-options="region:'center'">
    <div id="et" class="easyui-tabs" data-options="fit:true">
     <div data-options="iconCls:'icon-save', closable:true" title="系统菜单">内容1</div>
     <div data-options="iconCls:'icon-remove'" title="业务菜单">内容2</div>
    </div>
   </div>
   <div style="width: 100px;" data-options="region:'east'">东部区域</div>
   <div style="height: 50px;" data-options="region:'south'">南部区域</div>
  </body>
</html>

使用简单json数据构造ztree

   <div data-options="iconCls:'icon-remove'" title="功能菜单">
    <ul id="ztree2" class="ztree"></ul>
   </div>

 <!-- 使用简单json数据构造ztree -->
 <script type="text/javascript">
  $(function() {
   var setting = {
    data: {
      simpleData: {
       enable: true
      }
    }
   };

   var zNodes = [
    {"id":1, "pId":0, "name":"test1"},
    {"id":11, "pId":1, "name":"test11"},
    {"id":12, "pId":1, "name":"test12"},
    {"id":111, "pId":11, "name":"test111"},
    {"id":2, "pId":0, "name":"test2"},
    {"id":3, "pId":0, "name":"test3"},
    {"id":31, "pId":2, "name":"test31"}
   ];

   $.fn.zTree.init($("#ztree2"), setting, zNodes);
  });
 </script>

发送ajax请求获取动态json数据构造ztree

json内容

[
  { "id":"11", "pId":"0", "name":"菜单1"},
  { "id":"111", "pId":"11", "name":"菜单11", "page":"xx.action"},
  { "id":"112", "pId":"11", "name":"菜单12","page":"xx.action"},
  { "id":"113", "pId":"11", "name":"菜单13", "page":"xx.action"},
  { "id":"114", "pId":"11", "name":"菜单14","page":"xx.action"},
  { "id":"12", "pId":"0", "name":"菜单2"},
  { "id":"121", "pId":"12", "name":"菜单21" ,"page":"xx.action"},
  { "id":"122", "pId":"12", "name":"菜单22" ,"page":"xx.action"},
  { "id":"123", "pId":"12", "name":"菜单23" ,"page":"xx.action"},
  { "id":"13", "pId":"0", "name":"菜单3"},
  { "id":"131", "pId":"13", "name":"菜单31","page":"xx.action"},
  { "id":"132", "pId":"13", "name":"菜单32","page":"xx.action"}
]

html片段

   <div data-options="iconCls:'icon-remove'" title="非功能菜单">
    <ul id="ztree3" class="ztree"></ul>
   </div>

 <!-- 发送ajax请求获取动态json数据构造ztree -->
 <script type="text/javascript">
  $(function() {
   var setting = {
    data: {
      simpleData: {
       enable: true
      }
    }
   };

   $.ajax({
    url:'${pageContext.request.contextPath}/json/menu.json',
    type:'get',
    data:'',
    dataType:'json',
    success:function (data) {
      $.fn.zTree.init($("#ztree3"), setting, data);
    }
   });
  });
 </script>

为ztree节点绑定事件动态添加选项卡

json内容

[
  { "id":"11", "pId":"0", "name":"菜单1"},
  { "id":"111", "pId":"11", "name":"菜单11", "page":"xx.action"},
  { "id":"112", "pId":"11", "name":"菜单12","page":"xx.action"},
  { "id":"113", "pId":"11", "name":"菜单13", "page":"xx.action"},
  { "id":"114", "pId":"11", "name":"菜单14","page":"xx.action"},
  { "id":"12", "pId":"0", "name":"菜单2"},
  { "id":"121", "pId":"12", "name":"菜单21" ,"page":"xx.action"},
  { "id":"122", "pId":"12", "name":"菜单22" ,"page":"xx.action"},
  { "id":"123", "pId":"12", "name":"菜单23" ,"page":"xx.action"},
  { "id":"13", "pId":"0", "name":"菜单3"},
  { "id":"131", "pId":"13", "name":"菜单31","page":"xx.action"},
  { "id":"132", "pId":"13", "name":"菜单32","page":"xx.action"}
]

html文件

   <div data-options="iconCls:'icon-save'" title="ztree事件">
    <ul id="ztree4" class="ztree"></ul>
   </div>

 <!-- 为ztree节点绑定事件动态添加选项卡 -->
 <script type="text/javascript">
  $(function() {
   var setting = {
    data: {
      simpleData: {
       enable: true
      }
    },
    callback: {
      onClick: function(event, treeId, treeNode) {
       if(treeNode.page != undefined) {
        var isExists = $("#et").tabs("exists", treeNode.name);
        if(isExists) {
         $("#et").tabs("select", treeNode.name);
        } else {
         $("#et").tabs("add", {
          title:treeNode.name,
          closable:true,
          iconCls:"icon-edit",
          content:"<iframe frameborder='no' height='100%' width='100%' src='"+ treeNode.page +"'></iframe>"
         });
        }
       }
      }
    }
   };

   $.ajax({
    url:'${pageContext.request.contextPath}/json/menu.json',
    type:'get',
    data:'',
    dataType:'json',
    success:function (data) {
      $.fn.zTree.init($("#ztree4"), setting, data);
    }
   });
  });
 </script>

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