• Ajax动态载入xml文件内容


    <%@page import="javax.swing.JOptionPane"%>
    <%@page import="com.ctl.util.*"%>
    <%@page import="com.ctl.util.test.*"%>
    <%@page import="java.sql.*"%>
    <%@ page language="java" import="java.util.*" pageEncoding="gbk"%>
    <%
    	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="content-type" content="text/html; charset=gbk">
    <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">
    <script type="text/javascript" src="<%=request.getContextPath()%>/jsp/init.js"></script>
    <script type="text/javascript">
    	
    	function loadXMLDoc(url) {
    		var xmlhttp;
    		var txt, xx, x, i;
    		xmlhttp=getXhr();
    		try {
    			xmlhttp.open("post", url, true);
    		} catch (er) {
    			alert("ad" + er);
    		}
    		xmlhttp.setRequestHeader('content-type',
    				'application/x-www-form-urlencoded');
    		xmlhttp.onreadystatechange = function() {
    			if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
    				txt = "<table border='1'><tr><th>Title</th><th>Artist</th><th>Person</th></tr>";
    				x = xmlhttp.responseXML.documentElement
    						.getElementsByTagName("CD");
    				for (i = 0; i < x.length; i++) {
    					txt = txt + "<tr>";
    					xx = x[i].getElementsByTagName("TITLE");
    					{
    						try {
    							txt = txt + "<td>" + xx[0].firstChild.nodeValue
    									+ "</td>";
    						} catch (er) {
    							txt = txt + "<td> </td>";
    						}
    					}
    					xx = x[i].getElementsByTagName("ARTIST");
    					{
    						try {
    							txt = txt + "<td>" + xx[0].firstChild.nodeValue
    									+ "</td>";
    						} catch (er) {
    							txt = txt + "<td> </td>";
    						}
    					}
    					xx = x[i].getElementsByTagName("PERSON");
    					{
    						try {
    							txt = txt + "<td>" + xx[0].getElementsByTagName("ID")[0].firstChild.nodeValue+"/"+ xx[0].getElementsByTagName("NAME")[0].firstChild.nodeValue
    									+ "</td>";
    						} catch (er) {
    							txt = txt + "<td> </td>";
    						}
    					}
    					txt = txt + "</tr>";
    				}
    				txt = txt + "</table>";
    				document.getElementById('txtCDInfo').innerHTML = txt;
    			}
    		};
    		xmlhttp.send();
    	}
    </script>
    </head>
    
    <body>
    	<div id="txtCDInfo">
    		<button onclick="loadXMLDoc('res/xml/AjaxLoadXmlRes.xml')">获得 CD信息</button>
    	</div>
    </body>
    </html>
    

    AjaxLoadXmlRes.xml

    <?

    xml version="1.0" encoding="gbk" ?> <CATALOG> <CD> <TITLE>Empire Burlesque</TITLE> <ARTIST>Bob Dylan</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>Columbia</COMPANY> <PRICE>10.90</PRICE> <YEAR>1985</YEAR> <PERSON> <ID>1</ID> <NAME>张三</NAME> </PERSON> </CD> <CD> <TITLE>Hide your heart</TITLE> <ARTIST>Bonnie Tyler</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>CBS Records</COMPANY> <PRICE>9.90</PRICE> <YEAR>1988</YEAR> <PERSON> <ID>2</ID> <NAME>李四</NAME> </PERSON> </CD> <CD> <TITLE>Greatest Hits</TITLE> <ARTIST>Dolly Parton</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>RCA</COMPANY> <PRICE>9.90</PRICE> <YEAR>1982</YEAR> <PERSON> <ID>3</ID> <NAME>王五</NAME> </PERSON> </CD> <CD> <TITLE>Still got the blues</TITLE> <ARTIST>Gary Moore</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Virgin records</COMPANY> <PRICE>10.20</PRICE> <YEAR>1990</YEAR> </CD> <CD> <TITLE>Eros</TITLE> <ARTIST>Eros Ramazzotti</ARTIST> <COUNTRY>EU</COUNTRY> <COMPANY>BMG</COMPANY> <PRICE>9.90</PRICE> <YEAR>1997</YEAR> <PERSON> <ID>4</ID> <NAME>绝世好剑</NAME> </PERSON> </CD> <CD> <TITLE>One night only</TITLE> <ARTIST>Bee Gees</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Polydor</COMPANY> <PRICE>10.90</PRICE> <YEAR>1998</YEAR> </CD> <CD> <TITLE>Sylvias Mother</TITLE> <ARTIST>Dr.Hook</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>CBS</COMPANY> <PRICE>8.10</PRICE> <YEAR>1973</YEAR> </CD> <CD> <TITLE>Maggie May</TITLE> <ARTIST>Rod Stewart</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Pickwick</COMPANY> <PRICE>8.50</PRICE> <YEAR>1990</YEAR> </CD> <CD> <TITLE>Romanza</TITLE> <ARTIST>Andrea Bocelli</ARTIST> <COUNTRY>EU</COUNTRY> <COMPANY>Polydor</COMPANY> <PRICE>10.80</PRICE> <YEAR>1996</YEAR> </CD> <CD> <TITLE>When a man loves a woman</TITLE> <ARTIST>Percy Sledge</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>Atlantic</COMPANY> <PRICE>8.70</PRICE> <YEAR>1987</YEAR> </CD> <CD> <TITLE>Black angel</TITLE> <ARTIST>Savage Rose</ARTIST> <COUNTRY>EU</COUNTRY> <COMPANY>Mega</COMPANY> <PRICE>10.90</PRICE> <YEAR>1995</YEAR> </CD> <CD> <TITLE>1999 Grammy Nominees</TITLE> <ARTIST>Many</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>Grammy</COMPANY> <PRICE>10.20</PRICE> <YEAR>1999</YEAR> </CD> <CD> <TITLE>For the good times</TITLE> <ARTIST>Kenny Rogers</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Mucik Master</COMPANY> <PRICE>8.70</PRICE> <YEAR>1995</YEAR> </CD> <CD> <TITLE>Big Willie style</TITLE> <ARTIST>Will Smith</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>Columbia</COMPANY> <PRICE>9.90</PRICE> <YEAR>1997</YEAR> </CD> <CD> <TITLE>Tupelo Honey</TITLE> <ARTIST>Van Morrison</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Polydor</COMPANY> <PRICE>8.20</PRICE> <YEAR>1971</YEAR> </CD> <CD> <TITLE>The very best of</TITLE> <ARTIST>Cat Stevens</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Island</COMPANY> <PRICE>8.90</PRICE> <YEAR>1990</YEAR> </CD> <CD> <TITLE>Stop</TITLE> <ARTIST>Sam Brown</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>A and M</COMPANY> <PRICE>8.90</PRICE> <YEAR>1988</YEAR> </CD> <CD> <TITLE>Bridge of Spies</TITLE> <ARTIST>T'Pau</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Siren</COMPANY> <PRICE>7.90</PRICE> <YEAR>1987</YEAR> </CD> <CD> <TITLE>Private Dancer</TITLE> <ARTIST>Tina Turner</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>Capitol</COMPANY> <PRICE>8.90</PRICE> <YEAR>1983</YEAR> </CD> <CD> <TITLE>Midt om natten</TITLE> <ARTIST>Kim Larsen</ARTIST> <COUNTRY>EU</COUNTRY> <COMPANY>Medley</COMPANY> <PRICE>7.80</PRICE> <YEAR>1983</YEAR> </CD> <CD> <TITLE>Pavarotti Gala Concert</TITLE> <ARTIST>Luciano Pavarotti</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>DECCA</COMPANY> <PRICE>9.90</PRICE> <YEAR>1991</YEAR> </CD> <CD> <TITLE>The dock of the bay</TITLE> <ARTIST>Otis Redding</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>Atlantic</COMPANY> <PRICE>7.90</PRICE> <YEAR>1987</YEAR> </CD> <CD> <TITLE>Picture book</TITLE> <ARTIST>Simply Red</ARTIST> <COUNTRY>EU</COUNTRY> <COMPANY>Elektra</COMPANY> <PRICE>7.20</PRICE> <YEAR>1985</YEAR> </CD> <CD> <TITLE>Red</TITLE> <ARTIST>The Communards</ARTIST> <COUNTRY>UK</COUNTRY> <COMPANY>London</COMPANY> <PRICE>7.80</PRICE> <YEAR>1987</YEAR> </CD> <CD> <TITLE>Unchain my heart</TITLE> <ARTIST>Joe Cocker</ARTIST> <COUNTRY>USA</COUNTRY> <COMPANY>EMI</COMPANY> <PRICE>8.20</PRICE> <YEAR>1987</YEAR> </CD> </CATALOG>


    init.js

    function getXhr() {
    	var xhr = null;
    	try {
    		xhr = new XMLHttpRequest();
    	} catch (e) {
    		// Internet Explorer
    		try {
    			xhr = new ActiveXObject("Msxml2.XMLHTTP");
    		} catch (e) {
    			try {
    				xhr = new ActiveXObject("Microsoft.XMLHTTP");
    			} catch (e) {
    				alert("您的浏览器不支持AJAX!");
    				return false;
    			}
    		}
    	}
    	return xhr;
    }
    


     

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  • 原文地址:https://www.cnblogs.com/mengfanrong/p/5158521.html
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