Posted in Javascript onMarch 19, 2010
jquery-autocomplete配置:
<script type="text/javascript" src="/js/jquery-1.4.2.min.js"></script>
<script type="text/javascript" src="/js/jquery.autocomplete.min.js"></script>
<link rel="Stylesheet" href="/js/jquery.autocomplete.css" />
首先是一个最简单的Autocomplete(自动完成)代码片段:
<html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>AutoComplate</title> <script type="text/javascript" src="/js/jquery-1.4.2.min.js"></script> <script type="text/javascript" src="/js/jquery.autocomplete.min.js"></script> <link rel="Stylesheet" href="/js/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:
<html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>自定义提示</title> <script type="text/javascript" src="/js/jquery-1.4.2.min.js"></script> <script type="text/javascript" src="/js/jquery.autocomplete.min.js"></script> <link rel="Stylesheet" href="/js/jquery.autocomplete.css" /> <script type="text/javascript"> var emails = [ { name: "Peter Pan", to: "peter@pan.de" }, { name: "Molly", to: "molly@yahoo.com" }, { name: "Forneria Marconi", to: "live@japan.jp" }, { name: "Master <em>Sync</em>", to: "205bw@samsung.com" }, { name: "Dr. <strong>Tech</strong> de Log", to: "g15@logitech.com" }, { name: "Don Corleone", to: "don@vegas.com" }, { name: "Mc Chick", to: "info@donalds.org" }, { name: "Donnie Darko", to: "dd@timeshift.info" }, { name: "Quake The Net", to: "webmaster@quakenet.org" }, { name: "Dr. Write", to: "write@writable.com" }, { name: "GG Bond", to: "Bond@qq.com" }, { name: "Zhuzhu Xia", to: "zhuzhu@qq.com" } ]; $(function() { $('#keyword').autocomplete(emails, { max: 12, //列表里的条目数 minChars: 0, //自动完成激活之前填入的最小字符 width: 400, //提示的宽度,溢出隐藏 scrollHeight: 300, //提示的高度,溢出显示滚动条 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 autoFill: false, //自动填充 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。
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