[Jquery] Jquery AutoComplete的使用方法实例
jQuery的Autocomplete（自动完成、自动填充）插件
jquery-autocomplete配置：
<script type="text/javascript" src="/js/jquery.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：
1 <html xmlns="http://www.w3.org/1999/xhtml">2 <head runat="server">3 <title>AutoComplate</title>4 <script type="text/javascript" src="/js/jquery-1.4.2.min.js"></script>5 <script type="text/javascript" src="/js/jquery.autocomplete.min.js"></script>6 <link rel="Stylesheet" href="/js/jquery.autocomplete.css" />7 <script type="text/javascript">8 $(function() {9 var data = "Core Selectors Attributes Traversing Manipulation CSS Events Effects Ajax Utilities".split(" ");10 11 $('#keyword').autocomplete(data).result(function(event, data, formatted) {12 alert(data);13 });14 });15 </script>16 </head>17 <body>18 <form id="form1" runat="server">19 <div>20 <input id="keyword" />21 <input id="getValue" value="GetValue" type="button" />22 </div>23 </form>24 </body>25 </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:
1 <html xmlns="http://www.w3.org/1999/xhtml">2 <head runat="server">3 <title>自定义提示</title>4 <script type="text/javascript" src="/js/jquery-1.4.2.min.js"></script>5 <script type="text/javascript" src="/js/jquery.autocomplete.min.js"></script>6 <link rel="Stylesheet" href="/js/jquery.autocomplete.css" />7 <script type="text/javascript">8 var emails = [9 { name: "Peter Pan", to: "peter@pan.de" },10 { name: "Molly", to: "molly@yahoo.com" },11 { name: "Forneria Marconi", to: "live@japan.jp" },12 { name: "Master <em>Sync</em>", to: "205bw@samsung.com" },13 { name: "Dr. <strong>Tech</strong> de Log", to: "g15@logitech.com" },14 { name: "Don Corleone", to: "don@vegas.com" },15 { name: "Mc Chick", to: "info@donalds.org" },16 { name: "Donnie Darko", to: "dd@timeshift.info" },17 { name: "Quake The Net", to: "webmaster@quakenet.org" },18 { name: "Dr. Write", to: "write@writable.com" },19 { name: "GG Bond", to: "Bond@qq.com" },20 { name: "Zhuzhu Xia", to: "zhuzhu@qq.com" }21 ];22 23 $(function() {24 $('#keyword').autocomplete(emails, {25 max: 12, //列表里的条目数26 minChars: 0, //自动完成激活之前填入的最小字符27 width: 400, //提示的宽度，溢出隐藏28 scrollHeight: 300, //提示的高度，溢出显示滚动条29 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30 autoFill: false, //自动填充31 formatItem: function(row, i, max) {32 return i + '/' + max + ':"' + row.name + '"[' + row.to + ']';33 },34 formatMatch: function(row, i, max) {35 return row.name + row.to;36 },37 formatResult: function(row) {38 return row.to;39 }40 }).result(function(event, row, formatted) {41 alert(row.to);42 });43 });44 </script>45 </head>46 <body>47 <form id="form1" runat="server">48 <div>49 <input id="keyword" />50 <input id="getValue" value="GetValue" type="button" />51 </div>52 </form>53 </body>54 </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。
下载地址：jquery.autocomplete示例代码.rar
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其他：
public class EmailObj { public string name { get; set; } public string to { get; set; } }
//action方法：
public ActionResult get(string q) { var emails = new List<EmailObj>(){ new EmailObj(){ name = "Peter Pan", to= "peter@pan.de" }, new EmailObj(){ name= "Molly", to= "molly@yahoo.com" }, new EmailObj(){ name= "Forneria Marconi", to= "live@japan.jp" }, new EmailObj(){ name= "Master Sync", to= "205bw@samsung.com" }, new EmailObj(){ name= "Dr. Tech de Log", to= "g15@logitech.com" }, new EmailObj(){ name= "Don Corleone", to= "don@vegas.com" }, new EmailObj(){ name= "Mc Chick", to= "info@donalds.org" }, new EmailObj(){ name= "Donnie Darko", to= "dd@timeshift.info" }, new EmailObj(){ name= "Quake The Net", to= "webmaster@quakenet.org" }, new EmailObj(){ name= "Dr. Write", to= "write@writable.com" }, new EmailObj(){ name= "GG Bond", to= "Bond@qq.com" }, new EmailObj(){ name= "Zhuzhu Xia", to= "zhuzhu@qq.com" } }; emails = emails.Where(c => c.to.ToLower().Contains(q.ToLower().TrimEnd())).ToList(); var res = JsonConvert.SerializeObject(emails); res = res.Replace("},", "}\n").TrimStart('[').TrimEnd(']'); return Json(res, JsonRequestBehavior.AllowGet); }
//前台js代码：
@{ Layout = null;
}
<!DOCTYPE html>
<html>
<head> <script src="~/Scripts/autocomplete/jquery.js"></script> <link href="~/Scripts/autocomplete/jquery.autocomplete.css" rel="stylesheet" /> <script src="~/Scripts/autocomplete/jquery.autocomplete.js"></script> <meta name="viewport" content="width=device-width" /> <title>Index</title> <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("/A/get", { dataType: "json", 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 cacheLength: 0, formatItem: function (row, i, max) { row = JSON.parse(row); return i + '/' + max + ':"' + row.name + '"[' + row.to + ']'; }, formatMatch: function (row, i, max) { row = JSON.parse(row); return row.name + row.to; }, formatResult: function (row) { row = JSON.parse(row); return row.to; } }).result(function (event, row, formatted) { row = JSON.parse(row);
alert(row.to); }); }); </script>
</head>
<body> <div> inputs: <input id="keyword" /> </div> </body>
</html>
下载地址：Code_AutoComplete.rar
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