最近为公司的网页制做部，开发了一个用于美化网页上select 下拉框的JQUERY插件，拿来与大家分享。
1.解决了有些select 美化代码,无法触发原有select 控件的onchange 事件问题。
2.允许多次调用 $("...").selectCss()，以解决Select的options更新后无法同步的问题。
使用方法如下：
代码
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<link href="selectCss.css" rel="stylesheet" type="text/css" />
<script src="jquery-1.3.2.min.js" type="text/javascript"></script>
<script src="selectCss.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
$("select").selectCss();
});
</script>
</head>
<body>
<select name="" onchange="alert(this.value)" id="select1">
<option value="1" title="选项选项选项选项" >选项1</option>
<option value="2">选项2</option>
<option value="3">选项3</option>
</select>
<select name="" id="select2">
<option value="1">选项31</option>
<option value="2">选项32</option>
<option value="3">选33</option>
</select>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<link href="selectCss.css" rel="stylesheet" type="text/css" />
<script src="jquery-1.3.2.min.js" type="text/javascript"></script>
<script src="selectCss.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function(){
$("select").selectCss();
});
</script>
</head>
<body>
<select name="" onchange="alert(this.value)" id="select1">
<option value="1" title="选项选项选项选项" >选项1</option>
<option value="2">选项2</option>
<option value="3">选项3</option>
</select>
<select name="" id="select2">
<option value="1">选项31</option>
<option value="2">选项32</option>
<option value="3">选33</option>
</select>
</body>
</html>
主要文件包括 selectCss.css 和 selectCss.js
selectCss.js 文件代码:
代码
(function($){
function hideOptions(speed){
if(speed.data){speed=speed.data}
if($(document).data("nowselectoptions"))
{
$($(document).data("nowselectoptions")).slideUp(speed);
$($(document).data("nowselectoptions")).prev("div").removeClass("tag_select_open");
$(document).data("nowselectoptions",null);
$(document).unbind("click",hideOptions);
$(document).unbind("keyup",hideOptionsOnEscKey);
}
}
function hideOptionsOnEscKey(e){
var myEvent = e || window.event;
var keyCode = myEvent.keyCode;
if(keyCode==27)hideOptions(e.data);
}
function showOptions(speed){
$(document).bind("click",speed,hideOptions);
$(document).bind("keyup",speed,hideOptionsOnEscKey);
$($(document).data("nowselectoptions")).slideDown(speed);
$($(document).data("nowselectoptions")).prev("div").addClass("tag_select_open");
}
$.fn.selectCss=function(_speed){
$(this).each(function(){
var speed=_speed||"fast";
if($(this).data("cssobj")){
$($(this).data("cssobj")).remove();
}
$(this).hide();
var divselect = $("<div></div>").insertAfter(this).addClass("tag_select");
$(this).data("cssobj",divselect);
var divoptions = $("<ul></ul>").insertAfter(divselect).addClass("tag_options").hide();
divselect.click(function(e){
if($($(document).data("nowselectoptions")).get(0) != $(this).next("ul").get(0)){
hideOptions(speed);
}
if(!$(this).next("ul").is(":visible"))
{
e.stopPropagation();
$(document).data("nowselectoptions",$(this).next("ul"));
showOptions(speed);
}
});
divselect.hover(function(){
$(this).addClass("tag_select_hover");
}
,
function(){
$(this).removeClass("tag_select_hover");
});
$(this).change(function(){
$(this).nextAll("ul").children("li:eq("+ $(this)[0].selectedIndex +")").addClass("open_selected").siblings().removeClass("open_selected");
$(this).next("div").html($(this).children("option:eq("+ $(this)[0].selectedIndex +")").text());
});
$(this).children("option").each(function(i){
var lioption= $("<li></li>").html($(this).text()).attr("title",$(this).attr("title")).appendTo(divoptions);
if($(this).attr("selected")){
lioption.addClass("open_selected");
divselect.html($(this).text());
}
lioption.data("option",this);
lioption.click(function(){
lioption.data("option").selected=true;
$(lioption.data("option")).trigger("change",true)
});
lioption.hover(
function(){$(this).addClass("open_hover");},
function(){ $(this).removeClass("open_hover"); }
);
});
});
}
})(jQuery);
function hideOptions(speed){
if(speed.data){speed=speed.data}
if($(document).data("nowselectoptions"))
{
$($(document).data("nowselectoptions")).slideUp(speed);
$($(document).data("nowselectoptions")).prev("div").removeClass("tag_select_open");
$(document).data("nowselectoptions",null);
$(document).unbind("click",hideOptions);
$(document).unbind("keyup",hideOptionsOnEscKey);
}
}
function hideOptionsOnEscKey(e){
var myEvent = e || window.event;
var keyCode = myEvent.keyCode;
if(keyCode==27)hideOptions(e.data);
}
function showOptions(speed){
$(document).bind("click",speed,hideOptions);
$(document).bind("keyup",speed,hideOptionsOnEscKey);
$($(document).data("nowselectoptions")).slideDown(speed);
$($(document).data("nowselectoptions")).prev("div").addClass("tag_select_open");
}
$.fn.selectCss=function(_speed){
$(this).each(function(){
var speed=_speed||"fast";
if($(this).data("cssobj")){
$($(this).data("cssobj")).remove();
}
$(this).hide();
var divselect = $("<div></div>").insertAfter(this).addClass("tag_select");
$(this).data("cssobj",divselect);
var divoptions = $("<ul></ul>").insertAfter(divselect).addClass("tag_options").hide();
divselect.click(function(e){
if($($(document).data("nowselectoptions")).get(0) != $(this).next("ul").get(0)){
hideOptions(speed);
}
if(!$(this).next("ul").is(":visible"))
{
e.stopPropagation();
$(document).data("nowselectoptions",$(this).next("ul"));
showOptions(speed);
}
});
divselect.hover(function(){
$(this).addClass("tag_select_hover");
}
,
function(){
$(this).removeClass("tag_select_hover");
});
$(this).change(function(){
$(this).nextAll("ul").children("li:eq("+ $(this)[0].selectedIndex +")").addClass("open_selected").siblings().removeClass("open_selected");
$(this).next("div").html($(this).children("option:eq("+ $(this)[0].selectedIndex +")").text());
});
$(this).children("option").each(function(i){
var lioption= $("<li></li>").html($(this).text()).attr("title",$(this).attr("title")).appendTo(divoptions);
if($(this).attr("selected")){
lioption.addClass("open_selected");
divselect.html($(this).text());
}
lioption.data("option",this);
lioption.click(function(){
lioption.data("option").selected=true;
$(lioption.data("option")).trigger("change",true)
});
lioption.hover(
function(){$(this).addClass("open_hover");},
function(){ $(this).removeClass("open_hover"); }
);
});
});
}
})(jQuery);
selectCss.Css 文件代码:
代码
.tag_select{display:block;color:#000;width:179px;height:23px;background:transparent url("images/index_22.jpg") no-repeat 0 0;padding:0 10px;line-height:23px; color:#7D7D7D; font-size:12px; cursor:pointer}
.tag_select_hover{ color:#ff0000; background:transparent url("selectbg.jpg") no-repeat 0 0; }
.tag_select_open{ color:#0000ff; background:transparent url("selectbg.jpg") no-repeat 0 0;}
ul.tag_options{position:absolute;margin:0;list-style:none;background:#fff;padding:0 0 1px;margin:0;width:162px ; height:100px; overflow:hidden; overflow-y:auto; font-size:12px; margin-left:10px; cursor:pointer; z-index:1000 }
ul.tag_options li{background:#fff; display:block;width:140px;padding:0 10px;height:20px;text-decoration:none;line-height:20px;color:#000; font-weight:normal; font-size:12px}
ul.tag_options li.open_hover{background:#0000ff;color:#000; font-weight:normal; font-size:12px}
ul.tag_options li.open_selected{background:#ccc; font-size:12px;font-weight:bold; }
.tag_select_hover{ color:#ff0000; background:transparent url("selectbg.jpg") no-repeat 0 0; }
.tag_select_open{ color:#0000ff; background:transparent url("selectbg.jpg") no-repeat 0 0;}
ul.tag_options{position:absolute;margin:0;list-style:none;background:#fff;padding:0 0 1px;margin:0;width:162px ; height:100px; overflow:hidden; overflow-y:auto; font-size:12px; margin-left:10px; cursor:pointer; z-index:1000 }
ul.tag_options li{background:#fff; display:block;width:140px;padding:0 10px;height:20px;text-decoration:none;line-height:20px;color:#000; font-weight:normal; font-size:12px}
ul.tag_options li.open_hover{background:#0000ff;color:#000; font-weight:normal; font-size:12px}
ul.tag_options li.open_selected{background:#ccc; font-size:12px;font-weight:bold; }
selectbg.jpg 图片:
