轉載地址http://www.cnblogs.com/hyl8218/archive/2010/03/19/1688828.html
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jQuery的Autocomplete（自動完成、自動填充）插件有不少，但比較下來我感覺，還是bassistance.de的JQuery Autocomplete plugin比較強大，我們就來寫一些代碼感受一下。
jquery-autocomplete配置：
<script type="text/javascript" src="/js/jquery-1.4.1.min.js"></script>
<script type="text/javascript" src="/js/jquery.autocomplete.min.js"></script>
<link rel="Stylesheet" href="/js/jquery.autocomplete.css" />
首先是一個最簡單的Autocomplete（自動完成）代碼片段：
<!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 runat="server">
<title>AutoComplate</title>
<script type="text/javascript" src="Scripts/jquery-1.4.1.min.js"></script>
<script type="text/javascript" src="Scripts/jquery.autocomplete.min.js"></script>
<link rel="Stylesheet" href="Scripts/jquery.autocomplete.css" />
<script type="text/javascript">
$(function () {
var data = "Core Selectors Attributes Traversing Manipulation CSS Events Effects Ajax Utilities".split(" ");
$('#keyword').autocomplete(data).result(function (event, data, formatted) {
alert(data);
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input id="keyword" />
<input id="getValue" value="GetValue" type="button" />
</div>
</form>
</body>
</html>
result方法是jQuery Autocomplete插件裏的重要方法，它在用戶在選定了某個條目時觸發。data參數爲選中的數據。
一個稍微複雜的例子，可以自定義提示列表:
<!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 runat="server">
<title>自定義提示</title>
<script type="text/javascript" src="Scripts/jquery-1.4.1.min.js"></script>
<script type="text/javascript" src="Scripts/jquery.autocomplete.min.js"></script>
<link rel="Stylesheet" href="Scripts/jquery.autocomplete.css" />
<script type="text/javascript">
var emails = [
{ name: "Peter Pan", to: "[email protected]" },
{ name: "Molly", to: "" },
{ name: "Forneria Marconi", to: "[email protected]" },
{ name: "Master <em>Sync</em>", to: "" },
{ name: "Dr. <strong>Tech</strong> de Log", to: "" },
{ name: "Don Corleone", to: "" },
{ name: "Mc Chick", to: "[email protected]" },
{ name: "Donnie Darko", to: "[email protected]" },
{ name: "Quake The Net", to: "" },
{ name: "Dr. Write", to: "" },
{ name: "Mc_xueyong", to: "[email protected]" },
{ name: "Dota", to: "[email protected]" }
];
$(function () {
$('#keyword').autocomplete(emails, {
max: 12, //列表裏的條目數
minChars: 0, //自動完成激活之前填入的最小字符
width: 400, //提示的寬度，溢出隱藏
scrollHeight: 300, //提示的高度，溢出顯示滾動條
matchContains: true, //包含匹配，就是data參數裏的數據，是否只要包含文本框裏的數據就顯示
autoFill: false, //自動填充
formatItem: function (row, i, max) {
return i + '/' + max + ':"' + row.name + '"[' + row.to + '}';
},
formatMatch: function (row, i, max) {
return row.name + row.to;
},
formatResult: function (row) {
return row.to;
}
}).result(function (event, row, formatted) {
alert(row.to);
});
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input id="keyword" />
<input id="getValue" value="GetValue" type="button" />
</div>
</form>
</body>
</html>
formatItem、formatMatch、formatResult是自定提示信息的關鍵。
formatItem作用在於可以格式化列表中的條目，比如我們加了“I”，讓列表裏的字顯示出了斜體。
formatMatch是配合formatItem使用，作用在於，由於使用了formatItem，所以條目中的內容有所改變，而我們要匹配的是原始的數據，所以用formatMatch做一個調整，使之匹配原始數據，
formatResult是定義最終返回的數據，比如我們還是要返回原始數據，而不是formatItem過的數據。<\p>
