treepanel

来源：互联网发布：php获取服务器ip地址编辑：程序博客网时间：2024/05/20 04:10
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <base href="<%=basePath%>">        <title>Ext入门</title>    <meta http-equiv="pragma" content="no-cache">    <meta http-equiv="cache-control" content="no-cache">    <meta http-equiv="expires" content="0">        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">    <meta http-equiv="description" content="This is my page">        <!-- 引入ExtJS样式文件 -->        <link rel="stylesheet" type="text/css" href="<%=request.getContextPath() %>/ext-3.2.0/resources/css/ext-all.css"/>        <!-- 引入ExtJS脚本库(两个，一个驱动adapter,另外一个ext-all.js) -->        <script type="text/javascript" src="<%=request.getContextPath() %>/ext-3.2.0/adapter/ext/ext-base.js"></script>        <script type="text/javascript" src="<%=request.getContextPath() %>/ext-3.2.0/ext-all.js"></script>        <script type="text/javascript">                //显示窗口        function showWin(){           //创建一个窗口           var win=new Ext.Window({              width: 500,              height: 400,              title: "第一个窗口",              buttons: [                 {                    text: "确定"                 },{                    text: "取消"                 }              ]           });           win.show();        }                //显示树        function showTree(){           //组件初始化过程           var tree=new Ext.tree.TreePanel({              width: 200,              height: 200,              title: "我是一棵树",              root: new Ext.tree.AsyncTreeNode({                 text: "树根",                 children: [{                    text: "叶子1",                    children: [{                       text: "叶子11",                       leaf: true                    }]                 }, {                    text: "叶子2",                    leaf: true                 }]              })           });                      tree.on("render", function(){              alert("树节点显示了");           });                         //组件渲染           tree.render(Ext.getBody());        }                //通过Ext.onReady来开始调用Ext组件        Ext.onReady(function(){           //showWin();           showTree();        });        </script>  </head>    <body>    </body></html>
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