Jquery AutoComplete的使用方法实例(网上找的留着备用)

慕弘义
2023-12-01

jQuery的Autocomplete(自动完成、自动填充)插件有不少,但比较下来我感觉,还是bassistance.de的JQuery Autocomplete plugin比较强大,我们就来写一些代码感受一下。



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:



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。

 

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