如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose

WBOY
Release: 2016-06-21 09:18:51
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页面的地图是openlayers做的, 下面是我的css, 设置了position: absolute和z-index, 但是定位并不准确, 滚动条没有放在页面的下端, 而且滚动条并没有实现滚动(之前滚动功能是完好的, 可能因为css导致失效)




<style type="text/css">#map{ 	height : 50%;  	width:100%; 	border:1px solid black; 	position: absolute; 	z-index:0;}#demo {background: #FFF;overflow:hidden;border: 1px dashed #CCC;width: 500px;filter:alpha(opacity=100);position:absolute;z-index:1;left:200px; top:500px;background-color:#ffffff;}#demo img {border: 3px solid #F2F2F2;position:absolute;z-index:1;}#indemo {float: left;width: 800%;}#demo1 {float: left;}#demo2 {float: left;}</style>
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<div id="demo"><div id="indemo"><div id="demo1"><table><tr><td><img  src="../images/agent_blue.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen6</td><td><img  src="../images/agent_blue.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen1</td><td><img  src="../images/agent_blue32_bk.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen2</td><td><img  src="../images/agent_green_bk.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen3</td><td><img  src="../images/agent_green32_bk.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen4</td><td><img  src="../images/agent_red_bk.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen5</td></tr></table></div><div id="demo2"></div></div></div><script><!--var speed=10;var tab=document.getElementById("demo");var tab1=document.getElementById("demo1");var tab2=document.getElementById("demo2");tab2.innerHTML=tab1.innerHTML;function Marquee(){if(tab2.offsetWidth-tab.scrollLeft<=0)tab.scrollLeft-=tab1.offsetWidthelse{tab.scrollLeft++;}}var MyMar=setInterval(Marquee,speed);tab.onmouseover=function() {clearInterval(MyMar)};tab.onmouseout=function() {MyMar=setInterval(Marquee,speed)};--></script>
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总的页面代码在此:
<%@page language="java" import="java.util.*" pageEncoding="UTF-8"%><%	String path = request.getContextPath();	String basePath = request.getScheme() + "://"			+ request.getServerName() + ":" + request.getServerPort()			+ path + "/";%>WMSMAPINIT																																													      <div id="demo"><div id="indemo"><div id="demo1"><table><tr><td><img  src="../images/agent_blue.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen6</td><td><img  src="../images/agent_blue.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen1</td><td><img  src="../images/agent_blue32_bk.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen2</td><td><img  src="../images/agent_green_bk.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen3</td><td><img  src="../images/agent_green32_bk.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen4</td><td><img  src="../images/agent_red_bk.png" border="0" / alt="如何在页面最上层添加一个动态滚动条?_html/css_WEB-ITnose" >tanzhen5</td></tr></table></div><div id="demo2"></div></div></div><script><!--var speed=10;var tab=document.getElementById("demo");var tab1=document.getElementById("demo1");var tab2=document.getElementById("demo2");tab2.innerHTML=tab1.innerHTML;function Marquee(){if(tab2.offsetWidth-tab.scrollLeft<=0)tab.scrollLeft-=tab1.offsetWidthelse{tab.scrollLeft++;}}var MyMar=setInterval(Marquee,speed);tab.onmouseover=function() {clearInterval(MyMar)};tab.onmouseout=function() {MyMar=setInterval(Marquee,speed)};--></script>
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回复讨论(解决方案)

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问题已解决~ 

经过与示例对比后, 发现是我的

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