利用Ajax技术实现在线歌词搜索功能
Admin | 2008-1-19 10:47:00 | 被阅次数 | 7065
最新制作完成的在线歌词搜索功能,利用ajax技术,无刷新显示歌词,只需要输入你要查找的歌曲名或歌词。界面还不是很好看,完善中......
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>
4<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
5<title>无标题文档</title>
6</head>
7
8<body>
9<style type="text/css">
10<!--
11body {
12background-color: #FFFFFF;
13 font-size: 85%;
14 font-family: Verdana;
15 margin-top : 10px;
16 margin-left : 10px;
17}
18a:link{color:#3737c8}
19a:active {color: #f00;}
20a:visited {color:#639;}
21-->
22</style>
23<script language="javascript">
24 var http_request = false;
25 function send_request(url) {//初始化、指定处理函数、发送请求的函数
26 http_request = false;
27 //开始初始化XMLHttpRequest对象
28 if(window.XMLHttpRequest) { //Mozilla 浏览器
29 http_request = new XMLHttpRequest();
30 if (http_request.overrideMimeType) {//设置MiME类别
31 http_request.overrideMimeType('text/xml');
32 }
33 }
34 else if (window.ActiveXObject) { // IE浏览器
35 try {
36 http_request = new ActiveXObject("Msxml2.XMLHTTP");
37 } catch (e) {
38 try {
39 http_request = new ActiveXObject("Microsoft.XMLHTTP");
40 } catch (e) {}
41 }
42 }
43 if (!http_request) { // 异常,创建对象实例失败
44 window.alert("不能创建XMLHttpRequest对象实例.");
45 return false;
46 }
47 http_request.onreadystatechange = processRequest;
48 // 确定发送请求的方式和URL以及是否同步执行下段代码
49 http_request.open("GET", url, true);
50 http_request.send(null);
51 }
52 // 处理返回信息的函数
53 function processRequest() {
54 if (http_request.readyState == 4) { // 判断对象状态
55 if (http_request.status == 200) { // 信息已经成功返回,开始处理信息
56 //alert(http_request.responseText);
57 document.getElementById("result").innerHTML = http_request.responseText;
58 } else { //页面不正常
59 alert("您所请求的页面有异常。");
60 }
61 }
62 }
63 function dosearch() {
64 var f = document.form1;
65 var geci = f.geci.value;
66 if(geci=="") {
67 window.alert("请输入你要查询的歌词");
68 f.geci.focus();
69 return false;
70 }
71 else {
72 document.getElementById("result").innerHTML="正在查询,请稍候";
73 send_request('http://www.efish.cn/getgeci.aspx?m='+escape(geci));
74 }
75 }
76 function submitForm() {
77 if(window.event.keyCode==13) {
78 dosearch();
79 }
80 }
81</script>
82<p></p><p></p>
83<form id="form1" name="form1" method="post" action="">
84<center><span style="font-size:18px; color:#FF0000">十万歌词在线免费查询</span></center>
85<p></p>
86 请输入歌曲名:
87 <input name="geci" type="text" id="geci" value="东风破" size="60" height="30" maxlength="50" onKeyDown="submitForm()" />
88 <input type="button" name="search" value="查询歌词" onClick="dosearch()"><br />
89 <span id="result"></span>
90</form>
91</body>
92</html>