表单美化——下拉列表

来源：互联网发布：mc喊麦软件编辑：程序博客网时间：2024/05/31 18:45
纯js实现模拟的下拉列表框：
<!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>表单美化_下拉列表篇</title><style>body{font:13px/26px "微软雅黑";background:#666666;}div,ul,li{margin:0;padding:0;}a{color:#000;text-decoration:none;line-height:30px;padding:0 10px;}a:hover{color:#C00;}#box{width:500px;height:326px;border:3px solid #333333;background:#FFF;position:absolute;top:50%;left:50%;margin:-163px 0 0 -250px;}.province{width:320px;height:42px;background:#C00;margin:80px auto;padding-left:10px;position:relative;}.province strong{width:48px;height:42px;color:#FFF;line-height:42px;font-size:14px;font-weight:bold;display:block;float:left;}.province span{width:200px;height:24px;line-height:24px;border:1px solid #999;background:#FFF url(images/province_sprites.png) no-repeat 189px -2px;display:block;float:left;margin-top:8px;padding-left:4px;cursor:pointer;}.province ul{width:328px;height:auto;background:#FFF;border:1px solid #dfdfdf;border-bottom:none;clear:both;position:absolute;left:0;top:42px;display:none;z-index:101;}.province ul li{height:30px;line-height:30px;border-bottom:1px solid #dfdfdf;padding-left:10px;}.province ul li b{font-weight:bold;}ul,li{list-style:none;}.show{display:block;}#layer{width:100%;height:100%;background:#FFFFFF;position:absolute;top:0;left:0;z-index:100;filter:alpha(opacity=0);opacity:0;display:none;}</style><script>function addLoadEvent(func) {  var oldonload = window.onload;  if (typeof window.onload != 'function') {    window.onload = func;  } else {      window.onload = function() {      oldonload();      func();    }  }}function $(id){    return document.getElementById(id);}function showProvince(){    $("selectProvince").onclick = showAllProvince;    selectProvince();}function showAllProvince(){    $("allProvince").style.display = "block";    $("layer").style.display="block";    $("selectProvince").style.color = "#CCCCCC";    $("selectProvince").style.backgroundPosition = "189px -17px";    $("layer").onclick=function(){        hideAllProvince();    }}function hideAllProvince(){    $("allProvince").style.display = "none";    $("layer").style.display="none";    $("selectProvince").style.color = "#000000";    $("selectProvince").style.backgroundPosition = "189px -2px";}function selectProvince(){    var pro = $("allProvince").getElementsByTagName("li");    var links;    for(var i=0;i<pro.length;i++){        links = pro[i].getElementsByTagName("a");        for(var j=0;j<links.length;j++){            links[j].onclick = function(){                $("selectProvince").innerHTML = this.innerHTML;                hideAllProvince();            }        }    }}addLoadEvent(showProvince);</script></head><body><div id="box">    <div class="province">        <strong>送货至</strong>        <span id="selectProvince">北京</span>        <ul id="allProvince" class="show">            <li><b>A</b><a href="javascript:void(0);">安徽</a></li>            <li><b>B</b><a href="javascript:void(0);">北京</a></li>            <li><b>C</b><a href="javascript:void(0);">重庆</a></li>            <li><b>F</b><a href="javascript:void(0);">福建</a></li>            <li><b>G</b><a href="javascript:void(0);">广东</a><a href="javascript:void(0);">广西</a></li>            <li><b>H</b><a href="javascript:void(0);">河北</a><a href="javascript:void(0);">河南</a><a href="javascript:void(0);">黑龙江</a></li>            <li><b>J</b><a href="javascript:void(0);">吉林</a><a href="javascript:void(0);">江苏</a></li>            <li><b>L</b><a href="javascript:void(0);">辽宁</a></li>            <li><b>N</b><a href="javascript:void(0);">内蒙古</a></li>            <li><b>Q</b><a href="javascript:void(0);">青海</a></li>            <li><b>S</b><a href="javascript:void(0);">上海</a><a href="javascript:void(0);">山东</a></li>            <li><b>T</b><a href="javascript:void(0);">天津</a></li>            <li><b>X</b><a href="javascript:void(0);">新疆</a></li>            <li><b>Y</b><a href="javascript:void(0);">云南</a></li>            <li><b>Z</b><a href="javascript:void(0);">浙江</a></li>        </ul>    </div></div><div id="layer"></div></body></html>
下拉列表右边小剪头图标：

代码运行效果图：
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