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:

MVC下场景应用
 
后台代码:
//类对象
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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