1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN">
3 <head>
4 <title>新建网页</title>
5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
6 <meta name="description" content="" />
7 <meta name="keywords" content="" />
8 <script type="text/javascript">
9
10 function createXHR() {
11 var xhr = null;
12 if(window.XMLHttpRequest) {
13 xhr = new XMLHttpRequest();
14 } else if(window.ActiveXObject) {
15 xhr = new ActiveXObject('Microsoft.XMLHTTP');
16 }
17 return xhr;
18 }
19
20
21 function test1() {
22 var xhr = createXHR();
23 xhr.open('GET','08-returntype.html',true);
24
25 xhr.onreadystatechange = function() {
26 if(this.readyState == 4) {
27 //alert(this.responseXML);
28 var xmldom = this.responseXML;
29 var chs = xmldom.getElementsByTagName('book')[0];
30 document.getElementById('btitle').value = chs.firstChild.firstChild.wholeText;
31 document.getElementById('bintro').value = chs.lastChild.firstChild.wholeText;
32 }
33 }
34
35 xhr.send(null);
36 }
37
38
39 function test2() {
40 var xhr = createXHR();
41 xhr.open('GET','08-returnhtml.php',true);
42
43 xhr.onreadystatechange = function() {
44 if(this.readyState == 4) {
45 document.getElementById('news').innerHTML = this.responseText;
46 }
47 }
48
49 xhr.send(null);
50 }
51
52
53 function test3() {
54 var xhr = createXHR();
55 xhr.open('GET','08-returnjson.php',true);
56
57 xhr.onreadystatechange = function() {
58 if(this.readyState == 4) {
59 var book = eval('('+this.responseText+')');
60 document.getElementById('btitle').value = book.title;
61 document.getElementById('bintro').value = book.intro;
62
63 }
64 }
65
66 xhr.send(null);
67 }
68
69
70 </script>
71
72 <style type="text/css">
73 </style>
74 </head>
75 <body>
76 书名:<input type="text" id="btitle" /><br />
77 简介:<input type="text" id="bintro" /><br />
78
79 <input type="button" value="测试返回XML" onclick="test1();" />
80 <input type="button" value="测试返回html代码" onclick="test2();" />
81 <input type="button" value="测试返回json格式" onclick="test3();" />
82
83 <div id="news">
84 </div>
85 </body>
86 </html>
