jQuery 插件autocomplete

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参考：

http://www.cnblogs.com/Peter-Zhang/archive/2011/10/22/2221147.html

http://johnny-gz.iteye.com/blog/1830235

http://www.jb51.net/article/50463.htm

如图效果

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3koK+M6C1pmqZ68kh2qFOBwkQAnAhdMRHZwg+2OWZR49V3/TXn+3NUAPxh6LvPnSmfsY4XMiSYCIAToe9MBAA4g8BEAID4gYkAAPGD36gPAIgfmAgAED8wEQAgfmAiAED8wEQAgPiJaqJKYXhwaDhftW3btquF1FAyVaiQ14sZ7Udks7PKHotZsQcAwNklzETVQirks/iOnooZ7qZidnAomSnatusvbqIOttIJq5IfkS5k27Y9O+EdHJFlJhjT/Zb2TzsUug20pNeiR9RDAgB8Dr3MiYoZKg4hJ6rkRzqaiJxYKQw7mrMdTUwU/ebVQmpkOMXHSS5RKQyrteWcrmzpvM2JbCpgSU9bMBEA3SHcRH4CogxXBNFyIq2JdDgm0k/4YpaYqJIfGc5Xixll+2ohJZuokh9JZophLauFoInCBwYAOA6RciK/QvEtU8mP0HwkWk4UUuIFqeRHFCWY/3JhmOYyqULFtjUmEpzlHVH2LLVUm0guAwEAn0O06oyXY56JnPIkNVFUz+QhVa7h5ETVQkoygiJb4Ui+C47Kc4T/tdJEioOzE0lVUhZoqTGRXczCRAB0i6jrRLMTycGRQsW1TPSESFzVHilUxERGm8K46E1ULfjrQUKdFeywmAmaUe2X6C1hIgC6Sbf2zlz4olJqJLBCTLIhNx+pFlLq7ImjMZGgIfUgiZgUl/DXqn3ULWEiAHrAMZ9s1FZets13nWjeJO55iZtlUVZ8nWaiCIpZ7TNKti3kRJKwlG3szi21JpqdwIo1AF2jWyYi3iFtyHR1Nrb4QbLs3Ukr7i4+uWLggSBFaiNcyA9Pi8EdfXVLOdWi43QKUpgIgO7QFRORLfxgG6eKmSmkJorOOrfy9E6C6/Cgdkx45oKJAOgOff65s358oJkkUP0yJABOO31uIgDAmQAmAgDED0wEAIgf/EZ9AED8wEQAgPiBiQAA8QMTAQDiByYCAMRPVBOZxujg0Oh0jTHGWM1IDyXThkleL41rPyI7Oe81ms8JZ5nG6GCuRK8yn3MvYRqjwa7EK/Lr+v0DAE4pYSaqGemQz+I77iiNc1OUJgeHkuMlxlyheKaQusoZ02PKftRmMY3RzzCRSa7l+VQ87ndemvRGSCypPOgNjPZJHMoHRjUNbwKgoHc50XwuOV5ipjHqSIqVJgdzJaercTq7S5Mq43ATdbhQh6nuGWeMdm1Oj4mXdt6a65rSOB+Y8iBvPzaa5nemNMkHYBqj9HLzOZgIAC3hJvKmkCbIFO2UExG/zOcm55k5PTY5nuusDwFlTuSMTWku6ezpMSkb8lSoR6olVQfN6bHR6VppnJqI24d+zZjnUJgIAAWRcqL5XJILxbOMOT1GS5XwnCi49CPnI24F5MxqU6zdVMYpTaYNY3xoctqYFBSjwJwekxIiNp9Ljhu8YAwKgvhFc5CkafygOT2WTBumItejtxEAIBKtOuPlmGciRyvpXEmRjZCcSIdsJd8RTpbhfCFMWjknqhnpMcN014nkxsELit5kkpvmc/6r3tgEDSkO1oy0qxXRWXw5TL2iBBMBoCDqOtF8Ljk4ZpiuZaInRP4isVTlaVSlNZGAYIHJeeGIrluFifwxKE73shv1QXq6ujqT1okYTASAnm7tnblw3aTH5HlIMY3R9Nioqp9OJnLWvOmqsLB3VjPSinrKvWDARF5v/rkBR8gLPeSg6raMl6RVJLm+g4kA0HHMJxs7Vl5uFkDzJj6TA1NXs8zsrQHnDJWJRqdLTlGmWEXyduKUMnLaix0So/HqzN/aIzmR8iDtiBtHyIMEY2rGAABgjHXPRMQ7pM18LrBj5bQOLvq4CQvf5OLJkX9t1aNDx3ueSBq5v1wlLFRJ24K6g3QMwoq1Mlv0XAwTAaCgKyYiW/jBNqVJhYwCKRJZc9HutXXjyca4RBD7AADoa87I5870qUqvrw4TAaBAMNHm5ubO3v7vHz7EPSoAwBni9w8fdl/vz8zMVKvVzc3NRL1et+zW23eHcQ8MAHCGePvucMey5+bmHj9+XK/XE9vb298vP93Z2//14BCZEQDgpPn9w4e37w539vb/+u2d27dvLy0tbW9vJ5rNZuXRd0+eLFt2a3dvv2HZCAQCcXKx+7rVfL3/7belfzeuLSwsrKysNJvNRKvVWlp+uri4eOfOnRs3bly9ejWfz1++fPnfAACg21y+fPmrr766evXqjRs35v78l8XFxY2NjVarlTg4OPjh2U/Pnz9fXFxcWFi4ffv23NzczMzMLQAA6DYzMzNzc3O3b99eWFhY+O//ef78uWVZBwcHiaOjoxdbryzL2tjYWFlZWVpaevz4cbVafQgAAN2mWq0+fvx4aWlpZWVlafmpZVlv3749Ojr6J6UoSpnvFLY8AAAAAElFTkSuQmCC" alt="" />

　　下面来使用 autocomplete插件来实现类似效果。

1. 后台

  public void AutoLoad()

  {

       List<NameValueItem> data = new List<NameValueItem>();

       data.Add(new NameValueItem { Name = "苹果4代iphone正品", Value = "" });

       data.Add(new NameValueItem { Name = "苹果4代 手机套", Value = "" });

       data.Add(new NameValueItem { Name = "苹果4", Value = "" });

       data.Add(new NameValueItem { Name = "苹果皮", Value = "" });

       data.Add(new NameValueItem { Name = "苹果笔记本", Value = "" });

       base.Response.ContentType = "json";

       base.Response.Write(ToJson(data));//ToJson()转为json数据

       base.Response.End();

  }

　　注：该方法返回的数据格式为json字符串。

2. 前台

html:

<asp:TextBox ID="txtIput" runat="server" class="form-control"></asp:TextBox>

js:

<script type="text/javascript">

        $(function () {

            $.ajax({

                type: "POST",

                contentType: "application/json",

                url: "Edit.aspx?method=AutoLoad",

                data: "{}",

                success: function (msg) {

                    $("#txtIput").autocomplete(msg, {

                        width: "28.8%",

                        minChars: 0,

                        max: 50,

                        delay: 500,

                        autoFill: true,

                        mustMatch: true,

                        matchContains: true,

                        selectFirst: true,

                        cacheLength: 1,

                        matchSubset: true,

                        matchCase: false,

                        multiple: false,

                        multipleSeparator: ",",

                        scroll: true,

                        //scrollHeight: 400,

                        formatItem: function (row, i, max) {

                            return row.Name + "【" + row.Value + "】"

                        },

                        formatResult: function (row, i, max) {

                            return row.Name;

                        },

                        formatMatch: function (row, i, max) {

                            return row.Name;

                        }

                        //extraParams:{},

                    }).result(function (event, data, formatted) {

                        alert(data.Value);

                        //如选择后给其他控件赋值，触发别的事件等等

                        //$("#emailsAuto").val("123123");

                    }

              );

                }

            });

        });

    </script>

引用：

 <script src="../../../Scripts/BaseDataManage/Class/Edit.js"></script>

 <link href="../../../Content/autocomplete/autocomplete.min.css" rel="stylesheet" />

 <script src="../../../Scripts/jquery-2.0.0.min.js"></script>

 <script src="../../../Content/autocomplete/autocomplete.js"></script>

注：高版本的jquery会报 $.browser is undefined。需要将相应的browser替换为/**/.test(navigator.userAgent.toLowerCase())

具体替换方法如下或参考 http://www.jb51.net/article/50463.htm

$.browser.mozilla = /firefox/.test(navigator.userAgent.toLowerCase());

$.browser.webkit = /webkit/.test(navigator.userAgent.toLowerCase());

$.browser.opera = /opera/.test(navigator.userAgent.toLowerCase());

$.browser.msie = /msie/.test(navigator.userAgent.toLowerCase());

3. autocomplete 参数说明

* minChars (Number)
    在触发autoComplete前用户至少需要输入的字符数.Default: 1，如果设为0，在输入框内双击或者删除输入框内内容时显示列表
* width (Number)
    指定下拉框的宽度. Default: input元素的宽度
* max (Number)
    autoComplete下拉显示项目的个数.Default: 10
* delay (Number)
    击键后激活autoComplete的延迟时间(单位毫秒).Default: 远程为400 本地10
* autoFill (Boolean)
    要不要在用户选择时自动将用户当前鼠标所在的值填入到input框. Default: false
* mustMatch (Booolean)
    如果设置为true,autoComplete只会允许匹配的结果出现在输入框,所有当用户输入的是非法字符时将会得不到下拉框.Default: false
* matchContains (Boolean)
    决定比较时是否要在字符串内部查看匹配,如ba是否与foo bar中的ba匹配.使用缓存时比较重要.不要和autofill混用.Default: false
* selectFirst (Boolean)
    如果设置成true,在用户键入tab或return键时autoComplete下拉列表的第一个值将被自动选择,尽管它没被手工选中(用键盘或鼠标).当然如果用户选中某个项目,那么就用用户选中的值. Default: true
* cacheLength (Number)
    缓存的长度.即对从数据库中取到的结果集要缓存多少条记录.设成1为不缓存.Default: 10
* matchSubset (Boolean)
    autoComplete可不可以使用对服务器查询的缓存,如果缓存对foo的查询结果,那么如果用户输入foo就不需要再进行检索了,直接使用缓存.通常是打开这个选项以减轻服务器的负担以提高性能.只会在缓存长度大于1时有效.Default: true
* matchCase (Boolean)
    比较是否开启大小写敏感开关.使用缓存时比较重要.如果你理解上一个选项,这个也就不难理解,就好比foot要不要到FOO的缓存中去找.Default: false
* multiple (Boolean)
    是否允许输入多个值即多次使用autoComplete以输入多个值. Default: false
* multipleSeparator (String)
    如果是多选时,用来分开各个选择的字符. Default: ","
* scroll (Boolean)
    当结果集大于默认高度时是否使用卷轴显示 Default: true
* scrollHeight (Number)
    自动完成提示的卷轴高度用像素大小表示 Default: 180
* formatItem (Function)
    为每个要显示的项目使用高级标签.即对结果中的每一行都会调用这个函数,返回值将用LI元素包含显示在下拉列表中. Autocompleter会提供三个参数(row, i, max): 返回的结果数组, 当前处理的行数(即第几个项目,是从1开始的自然数), 当前结果数组元素的个数即项目的个数. Default: none, 表示不指定自定义的处理函数,这样下拉列表中的每一行只包含一个值.
* formatResult (Function)
    和formatItem类似,但可以将将要输入到input文本框内的值进行格式化.同样有三个参数,和formatItem一样.Default: none,表示要么是只有数据,要么是使用formatItem提供的值.
* formatMatch (Function)
    对每一行数据使用此函数格式化需要查询的数据格式. 返回值是给内部搜索算法使用的. 参数值row
* extraParams (Object)
    为后台(一般是服务端的脚本)提供更多的参数.和通常的作法一样是使用一个键值对对象.如果传过去的值是{ bar:4 },将会被autocompleter解析成my_autocomplete_backend.php?q=foo&bar=4 (假设当前用户输入了foo). Default: {}
* result (handler)
    此事件会在用户选中某一项后触发，参数为：
    event: 事件对象. event.type为result.
    data: 选中的数据行.
    formatted:formatResult函数返回的值
    例如：
    $("#singleBirdRemote").result(function(event, data, formatted) {
        //如选择后给其他控件赋值，触发别的事件等等
    });

秒客网

jQuery 插件autocomplete

jQuery 插件autocomplete

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