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JS+CSS实现的经典圆角下拉菜单效果代码_javascript技巧

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May 16, 2016 pm 03:35 PM

cssjs下拉菜单圆角

本文实例讲述了JS+CSS实现的圆角下拉菜单效果代码。分享给大家供大家参考，具体如下：

相信不少朋友会喜欢这一款菜单，CSS+JS实现的圆角下拉菜单，没有使用任何修饰性的图片哦，圆角完全是用JS完成的，因此代码多了些，想使用的朋友把JS文件提取出来另存，这样更合理些。

运行效果截图如下：

在线演示地址如下：

http://demo.jb51.net/js/2015/js-css-jd-cicle-style-button-demo/

具体代码如下：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<title>QuickMenu 超强悍菜单</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
<style type="text/css">
.qmmc .qmdivider{display:block;font-size:1px;border-width:0px;border-style:solid;position:relative;z-index:1;}.qmmc .qmdividery{float:left;width:0px;}.qmmc .qmtitle{display:block;cursor:default;white-space:nowrap;position:relative;z-index:1;}.qmclear {font-size:1px;height:0px;width:0px;clear:left;line-height:0px;display:block;float:none !important;}.qmmc {position:relative;zoom:1;z-index:10;}.qmmc a, .qmmc li {float:left;display:block;white-space:nowrap;position:relative;z-index:1;}.qmmc div a, .qmmc ul a, .qmmc ul li {float:none;}.qmsh div a {float:left;}.qmmc div{visibility:hidden;position:absolute;}.qmmc .qmcbox{cursor:default;display:block;position:relative;z-index:1;}.qmmc .qmcbox a{display:inline;}.qmmc .qmcbox div{float:none;position:static;visibility:inherit;left:auto;}.qmmc li {z-index:auto;}.qmmc ul {left:-10000px;position:absolute;z-index:10;}.qmmc, .qmmc ul {list-style:none;padding:0px;margin:0px;}.qmmc li a {float:none;}.qmmc li:hover>ul{left:auto;}#qm0 ul {top:100%;}#qm0 ul li:hover>ul{top:0px;left:100%;}
 #qm0 
 { 
  padding:5px;
  border-width:1px;
  border-style:solid;
  border-color:#eeeeee;
 }
 #qm0 a 
 { 
  padding:5px 4px 5px 5px;
  color:#555555;
  font-family:Arial;
  font-size:10px;
  text-decoration:none;
 }
 #qm0 div, #qm0 ul 
 { 
  padding:10px;
  margin:-2px 0px 0px;
  background-color:transparent;
  border-style:none;
 }
 #qm0 div a, #qm0 ul a 
 { 
  padding:3px 10px 3px 5px;
  background-color:transparent;
  font-size:11px;
  border-width:0px;
  border-style:none;
 } 
 #qm0 div a:hover 
 { 
  background-color:#dadada;
  color:#cc0000;
 }
 #qm0 ul li:hover>a 
 { 
  background-color:#dadada;
  color:#cc0000;
 }
 body #qm0 div .qmactive, body #qm0 div .qmactive:hover 
 { 
  background-color:#dadada;
  color:#cc0000;
 } 
 #qm0 .qmtitle 
 { 
  cursor:default;
  padding:3px 0px 3px 4px;
  color:#444444;
  font-family:arial;
  font-size:11px;
  font-weight:bold;
 }
 #qm0 .qmdividerx 
 { 
  border-top-width:1px;
  margin:4px 0px;
  border-color:#bfbfbf;
 }
 #qm0 .qmdividery 
 { 
  border-left-width:1px;
  height:15px;
  margin:4px 2px 0px;
  border-color:#aaaaaa;
 }
 #qm0 .qmritem span 
 { 
  border-color:#dadada;
  background-color:#f7f7f7;
 }
 #qm0 .qmritemcontent 
 { 
  padding:0px 0px 0px 4px;
 }
 ul#qm0 li:hover > a 
 { 
  background-color:#f7f7f7;
 } 
 ul#qm0 ul 
 { 
  padding:10px;
  margin:-2px 0px 0px;
  background-color:#f7f7f7;
  border-width:1px;
  border-style:solid;
  border-color:#dadada;
 }
</style>
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希望本文所述对大家JavaScript程序设计有所帮助。

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