Ajax以前学习过,但是忘记的差不多了,再来看看吧。。
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%> <% 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>My JSP 'index.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"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <script type="text/javascript"> window.onload=function(){ //针对A节点的操作 document.getElementsByTagName("a")[0].onclick = function(){ var request = new XMLHttpRequest(); var url=this.href; var method="GET"; request.open(method,url); request.send(null); request.onreadystatechange = function(){ if(request.readyState == 4){ if(request.status==200 || request.status == 304){ alert(request.responseText); } } } return false; } } </script> <body> <a href="helloAjax.txt">Ajax</a> </body> </html>
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