ajax技術制作得在線歌詞搜索功能

2024-09-01 08:32:04

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來源：轉載

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>無標題文檔</title>
</head>
<body>
<style type="text/css">

</style>
<script language="javascript">
var http_request = false;
function send_request(url) {//初始化、指定處理函數、發送請求的函數
http_request = false;
//開始初始化XMLHttpRequest對象
if(window.XMLHttpRequest) { //Mozilla 瀏覽器
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {//設置MiME類別
http_request.overrideMimeType('text/xml');
}
}
else if (window.ActiveXObject) { // IE瀏覽器
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}
if (!http_request) { // 異常，創建對象實例失敗
window.alert("不能創建XMLHttpRequest對象實例.");
return false;
}
http_request.onreadystatechange = processRequest;
// 確定發送請求的方式和URL以及是否同步執行下段代碼
http_request.open("GET", url, true);
http_request.send(null);
}
// 處理返回信息的函數
function processRequest() {
if (http_request.readyState == 4) { // 判斷對象狀態
if (http_request.status == 200) { // 信息已經成功返回，開始處理信息
//alert(http_request.responseText);
document.getElementById("result").innerHTML = http_request.responseText;
} else { //頁面不正常
alert("您所請求的頁面有異常。");
}
}
}
function dosearch() {
var f = document.form1;
var geci = f.geci.value;
if(geci=="") {
window.alert("請輸入你要查詢的歌詞");
f.geci.focus();
return false;
}
else {
document.getElementById("result").innerHTML="正在查詢，請稍候";
send_request('http://www.efish.cn/getgeci.aspx?m='+escape(geci));
}
}
function submitForm() {
if(window.event.keyCode==13) {
dosearch();
}
}
</script>
<p></p><p></p>
<form method="post" action="">
<center><span>十萬歌詞在線免費查詢</span></center>
<p></p>
請輸入歌曲名：
<input type="text" value="東風破" size="60" maxlength="50" onKeyDown="submitForm()" />
<input type="button" value="查詢歌詞"><br />
<span></span>
</form>
</body>
</html>