问题描述
求解html:<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>Insert title here</title><link rel="stylesheet" type="text/css" href="ext/resources/css/ext-all.css"/><script type="text/javascript" src="ext/ext-base.js"></script><script type="text/javascript" src="ext/ext-all.js"></script><script type="text/javascript" src="ext/ext-lang-zh_CN.js"></script><script type="text/javascript" src="js/my2.js"></script></head><body></body></html>my2.js:Ext.onReady(function(){Ext.BLANK_IMAGE_URL="ext/resources/images/default/s.gif";var panel = new Ext.Panel({ el : 'test', title : '测试标题', floating : true, shadow : true, draggable : true, collapsible : true, html : '呜哈哈', pageX : 100, pageY : 50, width : 200, height : 50});panel.render();});错误提示：网页错误详细信息消息: 'this.el.dom' 为空或不是对象行: 7字符: 122412代码: 0URI: http://localhost:8088/ext1.1/ext/ext-all.js
解决方案
你的jsp里有<div id='test'></div>这个吗？