请问这段Tab选项卡的代码为什么不起作用？_html/css

请问这段Tab选项卡的代码为什么不起作用？_html/css_WEB-ITnose

WBOY

Release： 2016-06-21 09:37:51

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<!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><style type="text/css">body {	text-align:center;}.nTab {	float:left;	font-family:"宋体", arial;	font-size:12px;	width:600px;	margin:0 auto;}.nTab .TabTitle {	clear:both;	height:28px;	overflow:hidden;}.nTab .TabTitle ul {	margin:0;	padding:0;}.nTab .TabTitle li {	float:left;	width:60px;	height:28px;	cursor:pointer;	list-style-type:none;}.nTab .TabTitle .active {	background-image:url(a.jpg);}.nTab .TabTitle .normal {	background-image:url(b.jpg);}.nTab .TabContent {	margin:0 auto;	width:auto;}.none {	display:none;}</style><script type="text/javascript">function nTabs(thisObj,Num){	if (thisObj.className=="active") return;	var idUL=thisObj.parentNode.id;	var LIs=document.getElementById("idUL").getElementsByTagName("li");	for (i=0;i<LIs.length;i++)	{		if (i==Num)		{			thisObj.className="active";			document.getElementById(idUL+"_Content"+i).style.display="block";		}		else		{			LIs[i].className="normal";			document.getElementById(idUL+"_Content"+i).style.display="none";		}	}}</script></head><body><div class="nTab"><div class="TabTitle"><ul id="myTab0"><li class="active" onmouseover="nTabs(this,0);">源?首?</li><li class="normal" onmouseover="nTabs(this,1);">最新更新</li><li class="normal" onmouseover="nTabs(this,2);">下?排行</li><li class="normal" onmouseover="nTabs(this,3);">源?分?</li><li class="normal" onmouseover="nTabs(this,4);">??特效</li></ul></div><div class="TabContent"><div id="myTab0_Content0"><a href="#">源?首?</a></div><div id="myTab0_Content1" class="none"><a href="#">最新更新</a></div><div id="myTab0_Content2" class="none"><a href="#">下?排行</a></div><div id="myTab0_Content3" class="none"><a href="#">源?分?</a></div><div id="myTab0_Content4" class="none"><a href="#">??特效</a></div></div></div></body></html>

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a.jpg

b.jpg

回复讨论(解决方案)

改成这样

<!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><style type="text/css">body {    text-align:center;}.nTab {    float:left;    font-family:"宋体", arial;    font-size:12px;    width:600px;    margin:0 auto;}.nTab .TabTitle {    clear:both;    height:28px;    overflow:hidden;}.nTab .TabTitle ul {    margin:0;    padding:0;}.nTab .TabTitle li {    float:left;    width:60px;    height:28px;    cursor:pointer;    list-style-type:none;}.nTab .TabTitle .active {    background-image:url(a.jpg);}.nTab .TabTitle .normal {    background-image:url(b.jpg);}.nTab .TabContent {    margin:0 auto;    width:auto;}.none {    display:none;}</style><script type="text/javascript">function nTabs(thisObj,Num){    if (thisObj.className=="active") return;    var idUL="myTab0";    var LIs=document.getElementById(idUL).getElementsByTagName("li");    for (i=0;i<LIs.length;i++)    {        if (i==Num)        {            thisObj.className="active";            document.getElementById(idUL+"_Content"+i).style.display="block";        }        else        {            LIs[i].className="normal";            document.getElementById(idUL+"_Content"+i).style.display="none";        }    }}</script></head><body><div class="nTab"><div class="TabTitle"><ul id="myTab0"><li class="active" onmouseover="nTabs(this,0);">源?首?</li><li class="normal" onmouseover="nTabs(this,1);">最新更新</li><li class="normal" onmouseover="nTabs(this,2);">下?排行</li><li class="normal" onmouseover="nTabs(this,3);">源?分?</li><li class="normal" onmouseover="nTabs(this,4);">??特效</li></ul></div><div class="TabContent"><div id="myTab0_Content0"><a href="#">源?首?</a></div><div id="myTab0_Content1" class="none"><a href="#">最新更新</a></div><div id="myTab0_Content2" class="none"><a href="#">下?排行</a></div><div id="myTab0_Content3" class="none"><a href="#">源?分?</a></div><div id="myTab0_Content4" class="none"><a href="#">??特效</a></div></div></div></body></html>

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li的高度是28px，如何在不改变文字大小的前提下使li中的文字垂直居中？现在是靠上的。我给li设置了vertical-align:middle但是没效果。

多谢！

是你js里的问题~~~
好像是传参的问题，。
不是你说的li的问题哟~~