ajax示例3
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title><script type="text/javascript" src="js/prototype1.6.js"></script><script type="text/javascript">function showNews(url){ new Ajax.Updater( "news",//div元素的id url,//请求的url { method:"post" } );}</script></head><body><input type="button" value="娱乐新闻" onmouseover="showNews('yule.jsp')"/><input type="button" value="经济新闻" onmouseover="showNews('jingji.jsp')"/><div id="news"></div></body></html>?