1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/ TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head runat="server">
4 <title></title>
5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
6 <style>
7 * { margin:0; padding:0;}
8 body { font-size:12px;}
9 #loading{
10 width:80px;
11 height: 20px;
12 background:#bbb;
13 color:#000;
14 display:none;
15 }
16 img{border:0;height:100px;width:100px;}
17 .comment { margin-top:10px; padding:10px; border:1px solid #ccc;background:#DDD;}
18 .comment h6 { font-weight:700; font-size:14px;}
19 .para { margin-top:5px; text-indent:2em;background:#DDD;}
20 </style>
21 <!-- 引入jQuery -->
22 <script src="../scripts/jquery-1.3.1.js" type="text/javascript"></script>
23 <script>
24 $(function(){
25 //demo1:
26 $('#send1').click(function() {
27 $.getJSON("http://api.flickr.com/services/feeds/photos_public.gne?tags=car&tagmode=any&format=json&jsoncallback=?",
28 function(data){
29 $("#resText1").empty();
30 $.each(data.items, function( i,item ){
31 $("<img/> ").attr("src", item.media.m ).appendTo("#resText1");
32 if ( i == 3 ) {
33 return false;
34 }
35 });
36 }
37 );
38 });
39
40 //demo2:
41 $("#send2").click(function(){
42 $.post("get1.jsp", {
43 username : $("#username").val() ,
44 content : $("#content").val()
45 }, function (data, textStatus){
46 $("#resText2").html(data); // 把返回的数据添加到页面上
47 }
48 );
49 })
50
51 //共用这2个全局的ajax事件 在ajax请求过程中,只要图片还未加载完毕,就会一直显示“加载中……”的提示信息
52 $("#loading").ajaxStart(function(){
53 $(this).show();
54 });
55 $("#loading").ajaxStop(function(){
56 $(this).hide();
57 });
58
59
60 })
61 </script>
62 </head>
63 <body>
64 <br/>
65 <div id="loading">加载中...</div>
66
67 <br/>
68 Demo1:
69 <br/>
70 <input type="button" id="send1" value="加载"/>
71 <div id="resText1" ></div>
72
73
74 <br/>
75 Demo2:
76 <br/>
77 <form id="form1">
78 <p>评论:</p>
79 <p>姓名: <input type="text" name="username" id="username" /></p>
80 <p>内容: <textarea name="content" id="content" ></textarea></p>
81 <p><input type="button" id="send2" value="提交"/></p>
82 </form>
83 <div class='comment'>已有评论:</div>
84 <div id="resText2" >
85 </div>
86
87
88 </body>
89 </html>