模仿combox(select)控件，不用为美化select烦恼了。

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我是靠谱客的博主机灵蜡烛，最近开发中收集的这篇文章主要介绍模仿combox(select)控件，不用为美化select烦恼了。，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

不用整天为美化select控件烦恼了。

1、可批量美化select控件。
2、可以有onchange句柄。
3、触发onchange的函数可带参数。
3、可以得到select的值。
4、可设置像select类似的滚动条（如大于或等于8个数目时出现滚动条）
5、可设置宽度和高度

API参考：
//首先生成一个simulateSelect的实例
//构造函数的第一个可选参数为触发onchange的函数，其它的为onchange函数的参数；
c = new simulateSelect(s1onchange, "never-online");
//设置select的CSS，第一个参数为控件的主要CSS、第二个为选中条目时的CSS、第三个为没有选中条目时的CSS
c.style("CtlSelect2", "selected2", "unselected2");
//设置select的宽度和高度；
c.width = 320;
c.height = 20;
//初始化参数为：select控件的ID，可以用逗号分离，进行批量转换；
c.init("s1,s2,s3");

下一版本将可修改combox

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 
<HTML> 
<HEAD> 
<TITLE> simulate combox control - http://www.never-online.net </TITLE> 
<META NAME="Generator" CONTENT="EditPlus"> 
<META NAME="Author" CONTENT=""> 
<META NAME="Keywords" CONTENT=""> 
<META NAME="Description" CONTENT=""> 
<style> 
body, input 
{ 
    font-family: verdana; 
    font-size: 9pt; 
} 
h1 
{ 
    font-family: tahoma; 
    font-size: 22pt; 
    text-align: left; 
} 
pre 
{ 
    font-size: 9pt; 
    font-family: verdana; 
    border: 1px solid #006600; 
    width: 400px; 
    padding: 10px; 
    background: #ffffff; 
    color: #006600; 
} 
.CtlSelect 
{ 
    border: 1px solid #006600; 
    font-family: verdana; 
    height: 20px; 
    color: #006600; 
    background: #ffffff; 
    /*background:url({E5066804-650D-4757-9BA4-A92DB8817A18}0.jpg);*/ 
} 
.selected 
{ 
    background: #006600; 
    color: #ffffff; 
    height: 20px; 
} 
.unselected 
{ 
    height: 20px; 
    color: #006600; 
    line-height: 120%; 
    border-bottom: 1px solid #006600; 
} 
.CtlSelect1 
{ 
    border: 1px solid #003399; 
    font-family: verdana; 
    height: 20px; 
    color: #003399; 
    background: #ffffff; 
    /*background:url({E5066804-650D-4757-9BA4-A92DB8817A18}0.jpg);*/ 
} 
.selected1 
{ 
    background: #003399; 
    color: #ffffff; 
    height: 20px; 
} 
.unselected1 
{ 
    height: 20px; 
    color: #003399; 
    line-height: 120%; 
    border-bottom: 1px solid #003399; 
} 
.CtlSelect2 
{ 
    border: 1px solid #990000; 
    font-family: verdana; 
    height: 20px; 
    color: #990000; 
    background: #ffffff; 
    /*background:url({E5066804-650D-4757-9BA4-A92DB8817A18}0.jpg);*/ 
} 
.selected2 
{ 
    background: #990000; 
    color: #ffffff; 
    height: 20px; 
} 
.unselected2 
{ 
    height: 20px; 
    color: #990000; 
    line-height: 120%; 
    border-bottom: 1px solid #990000; 
} 
.copyright 
{ 
    margin-top: 10px; 
    font-size: 9pt; 
    text-align: center; 
    color: #333; 
    font-weight: bold; 
} 
</style> 
</HEAD>

<BODY> 
 
<h1> simulate combox control </h1> 
<h4> demonstrate </h4>

<p> 
normal select: <select id="s0"> 
<option value="- please select your options -"> - please select your options -</option> 
<option value="1">option1</option> 
<option value="2">option2</option> 
<option value="3">option3</option> 
<option value="4">option4</option> 
<option value="5">option5</option> 
</select> 
</p>

<p> 
simulate select: <select id="s1"> 
<option value="- please select your options -"> - please select your options -</option> 
<option value="1">1option1</option> 
<option value="2">1option2</option> 
<option value="3">1option3</option> 
<option value="4">1option4</option> 
<option value="5">1option5</option> 
</select> 
</p>

<p> 
scroll simulate select: <select id="s2"> 
<option value="- please select your options -"> - please select your options -</option> 
<option value="1">2option1</option> 
<option value="2">2option2</option> 
<option value="3">2option3</option> 
<option value="4">2option4</option> 
<option value="5">2option6</option> 
<option value="5">2option7</option> 
<option value="5">2option8</option> 
<option value="5">2option9</option> 
<option value="5">2option10</option> 
<option value="5">2option11</option> 
<option value="5">2option12</option> 
<option value="5">2option13</option> 
<option value="5">2option14</option> 
</select> 
</p>

<p> 
onchange handler fire: <select id="s3"> 
<option value="- please select your options -"> - please select your options -</option> 
<option value="1">3option1</option> 
<option value="2">3option2</option> 
<option value="3">3option3</option> 
<option value="4">3option4</option> 
<option value="5">3option5</option> 
</select> 
</p>

<button onclick="alert(a.getValue('s1') + '\n\n' + b.getValue('s2') + '\n\n' + c.getValue('s3'))" class="CtlSelect"> Get value </button> 
<button onclick="alert('next version')"  class="CtlSelect">append item</button> 
<button onclick="alert('next version')"  class="CtlSelect">remove item</button>

<h4> description </h4> 
<pre> 
//------------------------------------------------------------- 
//  @ Module: simulate select control, IE only. 
//  @ Debug in: IE 6.0 
//  @ Script by: blueDestiny, never-online 
//  @ Updated: 2006-3-22 
//  @ Version: 1.0 apha 
//  @ Email: blueDestiny [at] 126.com 
//  @ Website: http://www.never-online.net 
//  @ Please Hold this item please. 
// 
//  API 
//  @ class: simulateSelect() 
// 
//  @ object.style(ctlStyle[,selStyle][,unselStyle]) 
//    ctlStyle: main control combox css class name 
//    selStyle: when mouseover or option focus css class name 
//    unselStyle: options blur's css class name 
// 
//  @ object.width=(widthPX) 
//    widthPX must be a digit number. 
// 
//  @ object.height=(heightPX) 
//    heightPX must be a digit number. 
// 
//  @ object.getValue(ctlSelID) 
//    ctlSelID is the unique select control ID 
// 
//  -------------- for the next Version ---------- 
//  @ object.readOnly = (blnReadOnly) 
//    blnReadOnly must be a boolean type or a number type. 
//  @ object.addEvent(w, h) 
//    w: fire handler's event. 
//    h: handler function. 
//------------------------------------------------------------- 
</pre>

<div class="copyright"> 
Power By blueDestiny, never-online 
http://www.never-online.net 
</div> 
</BODY> 
</HTML>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]