第一個Ajax程式

來源:互聯網
上載者:User

content.html

 

  Hello World!!

 

ajax_receive_content.jsp

 

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%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%>">     </head>    <body>      <script type="text/javascript" language="JavaScript">   var xmlHttp;   function createXMLHttpRequest()   {   if(window.XMLHttpRequest)   {   xmlHttp = new XMLHttpRequest();//Firefox核心      }   else   {   xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");//IE核心   }   }   function showMsg()   {   createXMLHttpRequest();   xmlHttp.open("POST", "jsp/content.html");   xmlHttp.onreadystatechange = showMsgCallback;   xmlHttp.send(null);   }   function showMsgCallback()   {   if(xmlHttp.readyState == 4)   {   if(xmlHttp.status == 200)   {   var test = xmlHttp.responseText;   //設定要使用的CSS樣式表   //document.getElementById("msg").className = "樣式表名稱";   document.getElementById("msg").innerHTML = test;   }   }   }   </script>   <input type="button" onclick="showMsg()" value="調用Ajax顯示內容">  <span id="msg"></span>     </body></html>

 

index.jsp

 

<%@ 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>    <body>    <jsp:include page="jsp/ajax_recieve_content.jsp"></jsp:include>  </body></html>

 

 

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