📄 ajax.jsp
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<%@ page contentType="text/html; charset=utf-8" language="java" import="java.sql.*" errorPage="" %>
<!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>无标题文档</title>
</head>
<script type="text/javascript">
var xmlHttp;
function createXMLHttpRequest(){
if(window.ActiveXObject){
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
alert("ActiveXObject");
}
else if(window.XMLHttpRequest){
xmlHttp = new XMLHttpRequest();
alert("XMLHttpRequest");
}
}
function startRequest(){
createXMLHttpRequest();
xmlHttp.onreadystatechange = handleStateChange;
xmlHttp.open("GET", "innerHTML.xml", true);
xmlHttp.send(null);
}
function handleStateChange(){
if(xmlHttp.readyState == 4){
if(xmlHttp.status == 200){
document.getElementById("results").innerHTML = xmlHttp.responseText;
}
}
}
</script>
<body>
<form name="form1" method="get" action="#">
<input name="button" type="button" value="图书列表" onClick="startRequest();">
</form>
<div id="results">
</div>
</body>
</html>
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