<script type="text/javascript" src="/js/jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="/js/jquery.autocomplete.min.js"></script>
首先是一个最简单的Autocomplete（自动完成）代码片段：
复制代码 代码如下:
<script type="text/javascript" src="/js/jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="/js/jquery.autocomplete.min.js"></script>
<script type="text/javascript"> <BR>$(function() { <BR>var data = "Core Selectors Attributes Traversing Manipulation CSS Events Effects Ajax Utilities".split(" "); <br><br>$('#keyword').autocomplete(data).result(function(event, data, formatted) { <BR>alert(data); <BR>}); <BR>}); <BR></script>
result方法是jQuery Autocomplete插件里的重要方法，它在用户在选定了某个条目时触发。data参数为选中的数据。
一个稍微复杂的例子，可以自定义提示列表:
复制代码 代码如下:
<script type="text/javascript" src="/js/jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="/js/jquery.autocomplete.min.js"></script>
<script type="text/javascript"> <BR>var emails = [ <BR>{ name: "Peter Pan", to: "peter@pan.de" }, <BR>{ name: "Molly", to: "molly@yahoo.com" }, <BR>{ name: "Forneria Marconi", to: "live@japan.jp" }, <BR>{ name: "Master <em>Sync", to: "205bw@samsung.com" }, <BR>{ name: "Dr. <strong>Tech de Log", to: "g15@logitech.com" }, <BR>{ name: "Don Corleone", to: "don@vegas.com" }, <BR>{ name: "Mc Chick", to: "info@donalds.org" }, <BR>{ name: "Donnie Darko", to: "dd@timeshift.info" }, <BR>{ name: "Quake The Net", to: "webmaster@quakenet.org" }, <BR>{ name: "Dr. Write", to: "write@writable.com" }, <BR>{ name: "GG Bond", to: "Bond@qq.com" }, <BR>{ name: "Zhuzhu Xia", to: "zhuzhu@qq.com" } <BR>]; <br><br>$(function() { <BR>$('#keyword').autocomplete(emails, { <BR>max: 12, //列表里的条目数 <BR>minChars: 0, //自动完成激活之前填入的最小字符 <BR>width: 400, //提示的宽度，溢出隐藏 <BR>scrollHeight: 300, //提示的高度，溢出显示滚动条 <BR>matchContains: true, //包含匹配，就是data参数里的数据，是否只要包含文本框里的数据就显示 <BR>autoFill: false, //自动填充 <BR>formatItem: function(row, i, max) { <BR>return i + '/' + max + ':"' + row.name + '"[' + row.to + ']'; <BR>}, <BR>formatMatch: function(row, i, max) { <BR>return row.name + row.to; <BR>}, <BR>formatResult: function(row) { <BR>return row.to; <BR>} <BR>}).result(function(event, row, formatted) { <BR>alert(row.to); <BR>}); <BR>}); <BR></script>
formatItem、formatMatch、formatResult是自定提示信息的关键。
formatItem作用在于可以格式化列表中的条目，比如我们加了“I”，让列表里的字显示出了斜体。
formatMatch是配合formatItem使用，作用在于，由于使用了formatItem，所以条目中的内容有所改变，而我们要匹配的是原始的数据，所以用formatMatch做一个调整，使之匹配原始数据，
formatResult是定义最终返回的数据，比如我们还是要返回原始数据，而不是formatItem过的数据。
jquery bassistance.de AutoComplete自动完成效果代码下载
