Ext.tree.TreeNode is not a constructor的有关问题

xieqingcheng4000 2011-06-10 03:35:54

为什么总是出现Ext.xx.xx is not a constructor的问题，是导入的js文件不对？

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<%

String path = request.getContextPath();

%>



<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

  <head>

    

    <title>My JSP 'ext1.jsp' starting page</title>

    

	<meta http-equiv="pragma" content="no-cache">

	<meta http-equiv="cache-control" content="no-cache">

	<meta http-equiv="expires" content="0">    

	<link rel="stylesheet" type="text/css" href="css/ext-all.css">

	<script type="text/javascript" src="js/bootstrap.js"></script>

	<script type="text/javascript" src="js/ext-all.js"></script>

	<script type="text/javascript">

	Ext.onReady(function(){

		var root = new Ext.tree.TreeNode({

			id:"root",

			text:"树的根"

		});

		root.appendChild(new Ext.tree.TreeNode({

			id:"c1",

			text:"子节点"

		}));

		var tree = new Ext.tree.TreePanel({

			renderTo:"hello",

			root:root,

			width:100

		});

	});

	</script>

  </head>

  

  <body>

	<div id="hello"></div>

  </body>

</html>

...全文

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mrli1103 2011-10-21

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你看下是不是js文件路径不对

xieqingcheng4000 2011-07-17

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原来还没结的！我的问题是项目中没有把ext所需要的js导进去，后面我把下载的ext文件全导进去，ok了！

flyerwing 2011-07-14

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直接给JSON就好了别NEW来NEW去的

haldis 2011-07-14

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问题解决没有啊，我也遇到这个问题了，关键还是我在自己电脑上是好的，换到公司电脑上就出这个错了

豆虫 2011-07-14

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Ext什么版本的?

wucaiming0504 2011-07-06

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顶一下，我也遇到了同样的问题

失去乐山贼 2011-06-11

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<link rel="stylesheet" type="text/css" href="extjs/ext-4.0.0-gpl/ext-4.0.0/resources/css/ext-all.css" />

<script type="text/javascript" src="extjs/ext-4.0.0-gpl/ext-4.0.0/bootstrap.js"></script>

<script type="text/javascript">

 Ext.onReady(function() {

 var store = Ext.create('Ext.data.TreeStore', {

    root: {

        expanded: true, 

        text:"",

        user:"",

        status:"", 

        children: [

            { text:"detention", leaf: true },

            { text:"homework", expanded: true, 

                children: [

                    { text:"aaa"},

                    { text:"bbb"}

                ]

            },

            { text: "buy lottery tickets", leaf:true }

        ]

    }

});    



var tree=Ext.create('Ext.tree.Panel', {

    title: 'Simple Tree',

	store: store,

    height: '100%',

    

    rootVisible: false,

	listeners : {  

        'itemclick' : function(view,re){  

  			alert(re.data.id);

			 

        }  

    }  

});