用ajax技術(shù)制作在線歌詞搜索功能

2024-09-01 08:26:08

字體：大中小

供稿：網(wǎng)友

　　最新制作完成的在線歌詞搜索功能，利用ajax技術(shù)，無刷新顯示歌詞，只需要輸入你要查找的歌曲名或歌詞。界面還不是很好看，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>無標(biāo)題文檔</title>
6</head>
7
8<body>
9<style type="text/css">
10
22</style>
23<script language="javascript">
24 var http_request = false;
25 function send_request(url) {//初始化、指定處理函數(shù)、發(fā)送請求的函數(shù)
26 http_request = false;
27 //開始初始化XMLHttpRequest對象
28 if(window.XMLHttpRequest) { //Mozilla 瀏覽器
29 http_request = new XMLHttpRequest();
30 if (http_request.overrideMimeType) {//設(shè)置MiME類別
31 http_request.overrideMimeType('text/xml');
32 }
33 }
34 else if (window.ActiveXObject) { // IE瀏覽器
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) { // 異常，創(chuàng)建對象實例失敗
44 window.alert("不能創(chuàng)建XMLHttpRequest對象實例.");
45 return false;
46 }
47 http_request.onreadystatechange = processRequest;
48 // 確定發(fā)送請求的方式和URL以及是否同步執(zhí)行下段代碼
49 http_request.open("GET", url, true);
50 http_request.send(null);
51 }
52 // 處理返回信息的函數(shù)
53 function processRequest() {
54 if (http_request.readyState == 4) { // 判斷對象狀態(tài)
55 if (http_request.status == 200) { // 信息已經(jīng)成功返回，開始處理信息
56 //alert(http_request.responseText);
57 document.getElementById("result").innerHTML = http_request.responseText;
58 } else { //頁面不正常
59 alert("您所請求的頁面有異常。");
60 }
61 }
62 }
63 function dosearch() {
64 var f = document.form1;
65 var geci = f.geci.value;
66 if(geci=="") {
67 window.alert("請輸入你要查詢的歌詞");
68 f.geci.focus();
69 return false;
70 }
71 else {
72 document.getElementById("result").innerHTML="正在查詢，請稍候";
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">十萬歌詞在線免費查詢</span></center>
85<p></p>
86 請輸入歌曲名：
87 <input name="geci" type="text" id="geci" value="東風(fēng)破" size="60" height="30" maxlength="50" onKeyDown="submitForm()" />
88 <input type="button" name="search" value="查詢歌詞" onClick="dosearch()"><br />
89 <span id="result"></span>
90</form>
91</body>
92</html>