Java递归遍历所有节点在jsp页面显示三级树形菜单 JSP SSH 递归遍历 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 我前台用ztree框架啊,我现在主要是不知道怎么去一级一级的遍历,还望讲解 tree1, pId:1, name:"父节点11 - 折叠"}, { id:111, pId:11, name:"叶子节点111"}, { id:112, pId:11, name:"叶子节点112"}, { id:113, pId:11, name:"叶子节点113"}, { id:114, pId:11, name:"叶子节点114"}, { id:12, pId:1, name:"父节点12 - 折叠"}, { id:121, pId:12, name:"叶子节点121"}, { id:122, pId:12, name:"叶子节点122"}, { id:123, pId:12, name:"叶子节点123"}, { id:124, pId:12, name:"叶子节点124"}, { id:13, pId:1, name:"父节点13 - 没有子节点", isParent:true}, { id:2, pId:0, name:"父节点2 - 折叠"}, { id:21, pId:2, name:"父节点21 - 展开", open:true}, { id:211, pId:21, name:"叶子节点211"}, { id:212, pId:21, name:"叶子节点212"}, { id:213, pId:21, name:"叶子节点213"}, { id:214, pId:21, name:"叶子节点214"}, { id:22, pId:2, name:"父节点22 - 折叠"}, { id:221, pId:22, name:"叶子节点221"}, { id:222, pId:22, name:"叶子节点222"}, { id:223, pId:22, name:"叶子节点223"}, { id:224, pId:22, name:"叶子节点224"}, { id:23, pId:2, name:"父节点23 - 折叠"}, { id:231, pId:23, name:"叶子节点231"}, { id:232, pId:23, name:"叶子节点232"}, { id:233, pId:23, name:"叶子节点233"}, { id:234, pId:23, name:"叶子节点234"}, { id:3, pId:0, name:"父节点3 - 没有子节点", isParent:true} ]; $(document).ready(function(){ $.fn.zTree.init($("#treeDemo"), setting, zNodes); }); //--> </SCRIPT> </HEAD><BODY><h1>最简单的树 -- 简单 JSON 数据</h1><h6>[ 文件路径: core/simpleData.html ]</h6><div class="content_wrap"> <div class="zTreeDemoBackground left"> <ul id="treeDemo" class="ztree"></ul> </div> <div class="right"> <ul class="info"> <li class="title"><h2>1、setting 配置信息说明</h2> <ul class="list"> <li class="highlight_red">必须设置 setting.data.simple 内的属性,详细请参见 API 文档中的相关内容</li> <li>与显示相关的内容请参考 API 文档中 setting.view 内的配置信息</li> <li>name、children、title 等属性定义更改请参考 API 文档中 setting.data.key 内的配置信息</li> </ul> </li> <li class="title"><h2>2、treeNode 节点数据说明</h2> <ul class="list"> <li class="highlight_red">简单模式的 JSON 数据需要使用 id / pId 表示节点的父子包含关系,如使用其他属性设置父子关联关系请参考 setting.data.simple 内各项说明 <div><pre xmlns=""><code>例如:var nodes = [ {id:1, pId:0, name: "父节点1"}, {id:11, pId:1, name: "子节点1"}, {id:12, pId:1, name: "子节点2"}];</code></pre></div></li> <li>默认展开的节点,请设置 treeNode.open 属性</li> <li>无子节点的父节点,请设置 treeNode.isParent 属性</li> <li>其他属性说明请参考 API 文档中 "treeNode 节点数据详解"</li> </ul> </li> <li class="title"><h2>3、其他说明</h2> <ul class="list"> <li>Demo 中绝大部分都采用简单 JSON 数据模式,以便于大家学习</li> </ul> </li> </ul> </div></div></BODY></HTML> 上面没发全。 <!DOCTYPE html><HTML><HEAD> <TITLE> ZTREE DEMO - Simple Data</TITLE> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" href="../../../css/demo.css" type="text/css"> <link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css"> <script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script> <script type="text/javascript" src="../../../js/jquery.ztree.core-3.5.js"></script> <!-- <script type="text/javascript" src="../../../js/jquery.ztree.excheck-3.5.js"></script> <script type="text/javascript" src="../../../js/jquery.ztree.exedit-3.5.js"></script>--> <SCRIPT type="text/javascript"> <!-- var setting = { data: { simpleData: { enable: true } } }; var zNodes =[ { id:1, pId:0, name:"父节点1 - 展开", open:true}, { id:11, pId:1, name:"父节点11 - 折叠"}, { id:111, pId:11, name:"叶子节点111"}, { id:112, pId:11, name:"叶子节点112"}, { id:113, pId:11, name:"叶子节点113"}, { id:114, pId:11, name:"叶子节点114"}, { id:12, pId:1, name:"父节点12 - 折叠"}, { id:121, pId:12, name:"叶子节点121"}, { id:122, pId:12, name:"叶子节点122"}, { id:123, pId:12, name:"叶子节点123"}, { id:124, pId:12, name:"叶子节点124"}, { id:13, pId:1, name:"父节点13 - 没有子节点", isParent:true}, { id:2, pId:0, name:"父节点2 - 折叠"}, { id:21, pId:2, name:"父节点21 - 展开", open:true}, { id:211, pId:21, name:"叶子节点211"}, { id:212, pId:21, name:"叶子节点212"}, { id:213, pId:21, name:"叶子节点213"}, { id:214, pId:21, name:"叶子节点214"}, { id:22, pId:2, name:"父节点22 - 折叠"}, { id:221, pId:22, name:"叶子节点221"}, { id:222, pId:22, name:"叶子节点222"}, { id:223, pId:22, name:"叶子节点223"}, { id:224, pId:22, name:"叶子节点224"}, { id:23, pId:2, name:"父节点23 - 折叠"}, { id:231, pId:23, name:"叶子节点231"}, { id:232, pId:23, name:"叶子节点232"}, { id:233, pId:23, name:"叶子节点233"}, { id:234, pId:23, name:"叶子节点234"}, { id:3, pId:0, name:"父节点3 - 没有子节点", isParent:true} ]; $(document).ready(function(){ $.fn.zTree.init($("#treeDemo"), setting, zNodes); }); //--> </SCRIPT> </HEAD><BODY><h1>最简单的树 -- 简单 JSON 数据</h1><h6>[ 文件路径: core/simpleData.html ]</h6><div class="content_wrap"> <div class="zTreeDemoBackground left"> <ul id="treeDemo" class="ztree"></ul> </div> <div class="right"> <ul class="info"> <li class="title"><h2>1、setting 配置信息说明</h2> <ul class="list"> <li class="highlight_red">必须设置 setting.data.simple 内的属性,详细请参见 API 文档中的相关内容</li> <li>与显示相关的内容请参考 API 文档中 setting.view 内的配置信息</li> <li>name、children、title 等属性定义更改请参考 API 文档中 setting.data.key 内的配置信息</li> </ul> </li> <li class="title"><h2>2、treeNode 节点数据说明</h2> <ul class="list"> <li class="highlight_red">简单模式的 JSON 数据需要使用 id / pId 表示节点的父子包含关系,如使用其他属性设置父子关联关系请参考 setting.data.simple 内各项说明 <div><pre xmlns=""><code>例如:var nodes = [ {id:1, pId:0, name: "父节点1"}, {id:11, pId:1, name: "子节点1"}, {id:12, pId:1, name: "子节点2"}];</code></pre></div></li> <li>默认展开的节点,请设置 treeNode.open 属性</li> <li>无子节点的父节点,请设置 treeNode.isParent 属性</li> <li>其他属性说明请参考 API 文档中 "treeNode 节点数据详解"</li> </ul> </li> <li class="title"><h2>3、其他说明</h2> <ul class="list"> <li>Demo 中绝大部分都采用简单 JSON 数据模式,以便于大家学习</li> </ul> </li> </ul> </div></div></BODY></HTML> 关键是这些数据我在Action中怎么去遍历啊,我要一级一级遍历拼成json格式返回到前台不会啊? 你写的这些var zNodes =[ { id:1, pId:0, name:"父节点1 - 展开", open:true}, { id:11, pId:1, name:"父节点11 - 折叠"}, { id:111, pId:11, name:"叶子节点111"}, { id:112, pId:11, name:"叶子节点112"}, { id:113, pId:11, name:"叶子节点113"}, { id:114, pId:11, name:"叶子节点114"}, { id:12, pId:1, name:"父节点12 - 折叠"}, { id:121, pId:12, name:"叶子节点121"}, { id:122, pId:12, name:"叶子节点122"}, { id:123, pId:12, name:"叶子节点123"}, { id:124, pId:12, name:"叶子节点124"}, { id:13, pId:1, name:"父节点13 - 没有子节点", isParent:true}, { id:2, pId:0, name:"父节点2 - 折叠"}, { id:21, pId:2, name:"父节点21 - 展开", open:true}, { id:211, pId:21, name:"叶子节点211"}, { id:212, pId:21, name:"叶子节点212"}, { id:213, pId:21, name:"叶子节点213"}, { id:214, pId:21, name:"叶子节点214"}, { id:22, pId:2, name:"父节点22 - 折叠"}, { id:221, pId:22, name:"叶子节点221"}, { id:222, pId:22, name:"叶子节点222"}, { id:223, pId:22, name:"叶子节点223"}, { id:224, pId:22, name:"叶子节点224"}, { id:23, pId:2, name:"父节点23 - 折叠"}, { id:231, pId:23, name:"叶子节点231"}, { id:232, pId:23, name:"叶子节点232"}, { id:233, pId:23, name:"叶子节点233"}, { id:234, pId:23, name:"叶子节点234"}, { id:3, pId:0, name:"父节点3 - 没有子节点", isParent:true} ];都需要我在Action里面一级一级遍历啊,不会啊,求解,谢谢你。 为什么要用递归?全查完全可以啊,每个对象中都有id和pid,你在Action里用递归不就是为了查所有吗 100分哦 java 怎么实现telnet 功能? 怎么做简单的端口映射 spring 声明式 事务传播性 在线等,java调用通过sqlserver2005发布的soap报http505错误! 关于JDOM查询XML的问题 Java的开源Blog系统 如何解决JDK1.4 URLConnection 自动重发 我的myeclipse的struts惊叹号问题 哪里有桌面版数据库(比如access或者别的数据库)的JDBC驱动程序下载? 求教关于aspose.words中显示A4纵向横向的问题 springmvc要怎么设置才会返回JSON数据 默认情况下springmvc返回的是啥形式的数据啊
1, pId:1, name:"父节点11 - 折叠"},
{ id:111, pId:11, name:"叶子节点111"},
{ id:112, pId:11, name:"叶子节点112"},
{ id:113, pId:11, name:"叶子节点113"},
{ id:114, pId:11, name:"叶子节点114"},
{ id:12, pId:1, name:"父节点12 - 折叠"},
{ id:121, pId:12, name:"叶子节点121"},
{ id:122, pId:12, name:"叶子节点122"},
{ id:123, pId:12, name:"叶子节点123"},
{ id:124, pId:12, name:"叶子节点124"},
{ id:13, pId:1, name:"父节点13 - 没有子节点", isParent:true},
{ id:2, pId:0, name:"父节点2 - 折叠"},
{ id:21, pId:2, name:"父节点21 - 展开", open:true},
{ id:211, pId:21, name:"叶子节点211"},
{ id:212, pId:21, name:"叶子节点212"},
{ id:213, pId:21, name:"叶子节点213"},
{ id:214, pId:21, name:"叶子节点214"},
{ id:22, pId:2, name:"父节点22 - 折叠"},
{ id:221, pId:22, name:"叶子节点221"},
{ id:222, pId:22, name:"叶子节点222"},
{ id:223, pId:22, name:"叶子节点223"},
{ id:224, pId:22, name:"叶子节点224"},
{ id:23, pId:2, name:"父节点23 - 折叠"},
{ id:231, pId:23, name:"叶子节点231"},
{ id:232, pId:23, name:"叶子节点232"},
{ id:233, pId:23, name:"叶子节点233"},
{ id:234, pId:23, name:"叶子节点234"},
{ id:3, pId:0, name:"父节点3 - 没有子节点", isParent:true}
]; $(document).ready(function(){
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
});
//-->
</SCRIPT>
</HEAD><BODY>
<h1>最简单的树 -- 简单 JSON 数据</h1>
<h6>[ 文件路径: core/simpleData.html ]</h6>
<div class="content_wrap">
<div class="zTreeDemoBackground left">
<ul id="treeDemo" class="ztree"></ul>
</div>
<div class="right">
<ul class="info">
<li class="title"><h2>1、setting 配置信息说明</h2>
<ul class="list">
<li class="highlight_red">必须设置 setting.data.simple 内的属性,详细请参见 API 文档中的相关内容</li>
<li>与显示相关的内容请参考 API 文档中 setting.view 内的配置信息</li>
<li>name、children、title 等属性定义更改请参考 API 文档中 setting.data.key 内的配置信息</li>
</ul>
</li>
<li class="title"><h2>2、treeNode 节点数据说明</h2>
<ul class="list">
<li class="highlight_red">简单模式的 JSON 数据需要使用 id / pId 表示节点的父子包含关系,如使用其他属性设置父子关联关系请参考 setting.data.simple 内各项说明
<div><pre xmlns=""><code>例如:
var nodes = [
{id:1, pId:0, name: "父节点1"},
{id:11, pId:1, name: "子节点1"},
{id:12, pId:1, name: "子节点2"}
];</code></pre></div></li>
<li>默认展开的节点,请设置 treeNode.open 属性</li>
<li>无子节点的父节点,请设置 treeNode.isParent 属性</li>
<li>其他属性说明请参考 API 文档中 "treeNode 节点数据详解"</li>
</ul>
</li>
<li class="title"><h2>3、其他说明</h2>
<ul class="list">
<li>Demo 中绝大部分都采用简单 JSON 数据模式,以便于大家学习</li>
</ul>
</li>
</ul>
</div>
</div>
</BODY>
</HTML>
<!DOCTYPE html>
<HTML>
<HEAD>
<TITLE> ZTREE DEMO - Simple Data</TITLE>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" href="../../../css/demo.css" type="text/css">
<link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
<script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="../../../js/jquery.ztree.core-3.5.js"></script>
<!-- <script type="text/javascript" src="../../../js/jquery.ztree.excheck-3.5.js"></script>
<script type="text/javascript" src="../../../js/jquery.ztree.exedit-3.5.js"></script>-->
<SCRIPT type="text/javascript">
<!--
var setting = {
data: {
simpleData: {
enable: true
}
}
}; var zNodes =[
{ id:1, pId:0, name:"父节点1 - 展开", open:true},
{ id:11, pId:1, name:"父节点11 - 折叠"},
{ id:111, pId:11, name:"叶子节点111"},
{ id:112, pId:11, name:"叶子节点112"},
{ id:113, pId:11, name:"叶子节点113"},
{ id:114, pId:11, name:"叶子节点114"},
{ id:12, pId:1, name:"父节点12 - 折叠"},
{ id:121, pId:12, name:"叶子节点121"},
{ id:122, pId:12, name:"叶子节点122"},
{ id:123, pId:12, name:"叶子节点123"},
{ id:124, pId:12, name:"叶子节点124"},
{ id:13, pId:1, name:"父节点13 - 没有子节点", isParent:true},
{ id:2, pId:0, name:"父节点2 - 折叠"},
{ id:21, pId:2, name:"父节点21 - 展开", open:true},
{ id:211, pId:21, name:"叶子节点211"},
{ id:212, pId:21, name:"叶子节点212"},
{ id:213, pId:21, name:"叶子节点213"},
{ id:214, pId:21, name:"叶子节点214"},
{ id:22, pId:2, name:"父节点22 - 折叠"},
{ id:221, pId:22, name:"叶子节点221"},
{ id:222, pId:22, name:"叶子节点222"},
{ id:223, pId:22, name:"叶子节点223"},
{ id:224, pId:22, name:"叶子节点224"},
{ id:23, pId:2, name:"父节点23 - 折叠"},
{ id:231, pId:23, name:"叶子节点231"},
{ id:232, pId:23, name:"叶子节点232"},
{ id:233, pId:23, name:"叶子节点233"},
{ id:234, pId:23, name:"叶子节点234"},
{ id:3, pId:0, name:"父节点3 - 没有子节点", isParent:true}
]; $(document).ready(function(){
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
});
//-->
</SCRIPT>
</HEAD><BODY>
<h1>最简单的树 -- 简单 JSON 数据</h1>
<h6>[ 文件路径: core/simpleData.html ]</h6>
<div class="content_wrap">
<div class="zTreeDemoBackground left">
<ul id="treeDemo" class="ztree"></ul>
</div>
<div class="right">
<ul class="info">
<li class="title"><h2>1、setting 配置信息说明</h2>
<ul class="list">
<li class="highlight_red">必须设置 setting.data.simple 内的属性,详细请参见 API 文档中的相关内容</li>
<li>与显示相关的内容请参考 API 文档中 setting.view 内的配置信息</li>
<li>name、children、title 等属性定义更改请参考 API 文档中 setting.data.key 内的配置信息</li>
</ul>
</li>
<li class="title"><h2>2、treeNode 节点数据说明</h2>
<ul class="list">
<li class="highlight_red">简单模式的 JSON 数据需要使用 id / pId 表示节点的父子包含关系,如使用其他属性设置父子关联关系请参考 setting.data.simple 内各项说明
<div><pre xmlns=""><code>例如:
var nodes = [
{id:1, pId:0, name: "父节点1"},
{id:11, pId:1, name: "子节点1"},
{id:12, pId:1, name: "子节点2"}
];</code></pre></div></li>
<li>默认展开的节点,请设置 treeNode.open 属性</li>
<li>无子节点的父节点,请设置 treeNode.isParent 属性</li>
<li>其他属性说明请参考 API 文档中 "treeNode 节点数据详解"</li>
</ul>
</li>
<li class="title"><h2>3、其他说明</h2>
<ul class="list">
<li>Demo 中绝大部分都采用简单 JSON 数据模式,以便于大家学习</li>
</ul>
</li>
</ul>
</div>
</div>
</BODY>
</HTML>
{ id:1, pId:0, name:"父节点1 - 展开", open:true},
{ id:11, pId:1, name:"父节点11 - 折叠"},
{ id:111, pId:11, name:"叶子节点111"},
{ id:112, pId:11, name:"叶子节点112"},
{ id:113, pId:11, name:"叶子节点113"},
{ id:114, pId:11, name:"叶子节点114"},
{ id:12, pId:1, name:"父节点12 - 折叠"},
{ id:121, pId:12, name:"叶子节点121"},
{ id:122, pId:12, name:"叶子节点122"},
{ id:123, pId:12, name:"叶子节点123"},
{ id:124, pId:12, name:"叶子节点124"},
{ id:13, pId:1, name:"父节点13 - 没有子节点", isParent:true},
{ id:2, pId:0, name:"父节点2 - 折叠"},
{ id:21, pId:2, name:"父节点21 - 展开", open:true},
{ id:211, pId:21, name:"叶子节点211"},
{ id:212, pId:21, name:"叶子节点212"},
{ id:213, pId:21, name:"叶子节点213"},
{ id:214, pId:21, name:"叶子节点214"},
{ id:22, pId:2, name:"父节点22 - 折叠"},
{ id:221, pId:22, name:"叶子节点221"},
{ id:222, pId:22, name:"叶子节点222"},
{ id:223, pId:22, name:"叶子节点223"},
{ id:224, pId:22, name:"叶子节点224"},
{ id:23, pId:2, name:"父节点23 - 折叠"},
{ id:231, pId:23, name:"叶子节点231"},
{ id:232, pId:23, name:"叶子节点232"},
{ id:233, pId:23, name:"叶子节点233"},
{ id:234, pId:23, name:"叶子节点234"},
{ id:3, pId:0, name:"父节点3 - 没有子节点", isParent:true}
];
都需要我在Action里面一级一级遍历啊,不会啊,求解,谢谢你。