分析一段css选择器兑现TAB分页技术
日期：2014-05-17 浏览次数：20716 次
分析一段css选择器实现TAB分页技术
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<script type="text/javascript">
function changeState(mid)
{
document.getElementsByTagName("body")[0].id=mid;
}//实现换body的id值。。
</script>
<style type="text/css">
body {
font: 100% verdana, arial, sans-serif;
background-color: #fff;
margin: 50px;
}
/* begin css tabs */
ul#tabnav { /* general settings */
text-align: left; /* set to left, right or center */
margin: 1em 0 1em 0; /* set margins as desired */
font: bold 11px verdana, arial, sans-serif; /* set font as desired */
border-bottom: 1px solid #7a96df; /* set border COLOR as desired */
list-style-type: none;
padding: 3px 10px 3px 10px; /* THIRD number must change with respect to padding-top (X) below */
}
ul#tabnav li { /* do not change */
display: inline;
}
//1.这里运用选择器，id为tab1的body下面的li中class为tab1的现实样式为下面定义的
body#tab1 li.tab1, body#tab2 li.tab2, body#tab3 li.tab3, body#tab4 li.tab4 { /* settings for selected tab */
border-bottom: 1px solid #fff; /* set border color to page background color */
background-color: #fff; /* set background color to match above border color */
}
//2.这里运用选择器，id为tab1的body下面的li中class为tab1的现实样式为下面定义的
//这两个显示时用来制造“选中”效果
body#tab1 li.tab1 a, body#tab2 li.tab2 a, body#tab3 li.tab3 a, body#tab4 li.tab4 a { /* settings for selected tab link */
background-color: #fff; /* set selected tab background color as desired */
color: #000; /* set selected tab link color as desired */
position: relative;
top: 1px;
padding-top: 4px; /* must change with respect to padding (X) above and below */
}
ul#tabnav li a { /* settings for all tab links */
padding: 3px 4px; /* set padding (tab size) as desired; FIRST number must change with respect to padding-top (X) above */
border: 1px solid #7a96df; /* set border COLOR as desired; usually matches border color specified in #tabnav */
background-color: #d4e6ef; /* set unselected tab background color as desired */
color: #666; /* set unselected tab link color as desired */
margin-right: 0px; /* set additional spacing between tabs as desired */
text-decoration: none;
border-bottom: none;
}
ul#tabnav a:hover { /* settings for hover effect */
background: #fff; /* set desired hover color */
}
/* end css tabs */
</style>
</head>
<body id="tab1">
//这个是关键，这个tab1让tab1的显示好像被选中了一样。可以用js修改body的id为tab2或tab3.。。实现选中显示。。（看上面的css）
<ul id="tabnav">
<li class="tab1"><a href="tab.html" target="showdiv" onclick="changeState('tab1')">Tab One</a></li>
<li class="tab2"><a href="tab.jsp" target="showdiv" onclick="changeState('tab2')">Tab Two</a></li>
<li class="tab3"><a href="tab.jsp" target="showdiv" onclick="changeState('tab3')">Tab Three</a></li>
<li class="tab4"><a href="tab.jsp" target="showdiv" onclick="changeState('tab4')">Tab Four</a></li></ul>
</body>
<iframe width="100%" border="0" frameborder="0" scrolling="no" id="showdiv" name="showdiv" src="tab.html"></iframe>
</html>
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