Ext.Window和Ext.tree.TreePanel简单用法
2011-06-20 22:33
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<%@ 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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