信息滚动效果的实例讲解

时间:2020-05-16 人气:0

html：

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="utf-8" />
 <title>向上无缝滚动</title>
 <link rel="stylesheet" href="style.css" rel="external nofollow" >
</head>

<body>
<!-- 慕课网课程公告开始 -->
<div id="mooc">
 <!-- 头部 -->
 <h3 id="moocTitle">最新课程<a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" target="_self">更多>></a> </h3>
 <!-- 头部结束 -->
 <!-- 中间 -->
 <div id="moocBox">
  <ul id="con1">
   <li><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >1.学会html5 绝对的屌丝逆袭（案例）</a><span>2013-09-18</span></li>
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  </ul>
  <ul id="con2">
  </ul>
 </div>
 <!-- 中间结束 -->
</div>
<!-- 课程公告结束 -->

<script type="text/javascript" src="js.js"></script>
</body>
</html>

css：

body {
 font-size: 12px;
 line-height: 24px;
 text-algin: center;  /* 页面内容居中 */
}
body, h3, ul, li, a {
 margin: 0;
 padding: 0;   /* 去掉所有标签的marign和padding的值 */
}
ul {
 list-style: none;   /* 去掉ul标签默认的点样式 */
}
a img {
 border: none;  /* 超链接下，图片的边框 */
}
a {
 color: #333;
 text-decoration: none;  /* 超链接样式 */
}
a:hover {
 color: #ff0000;
}
#mooc {
 width: 399px;
 border: 5px solid #ababab;
 -moz-border-radius: 15px;  /* Gecko browsers */
 -webkit-border-radius: 15px; /* Webkit browsers */
 border-radius: 15px;
 box-shadow: 2px 2px 10px #ababab;
 margin: 50px auto 0;
 text-align: left;    /* 让新闻内容靠左 */
}
/* 头部样式 */
#moocTitle {
 height: 62px;
 overflow: hidden; /* 这个一定要加上，内容超出的部分要隐藏，免得撑高头部 */
 font-size: 26px;
 line-height: 62px;
 padding-left: 30px;
 background-image: -moz-linear-gradient(top, #f05e6f, #c9394a); /* Firefox */
 background-image: -webkit-gradient(linear, left top, left bottom, color-stop(0, #f05e6f), color-stop(1, #c9394a)); /* Saf4+, Chrome */
 filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#8fa1ff', endColorstr='#f05e6f', GradientType=0); /* IE*/
 border: 1px solid #f05e6f;
 -moz-border-radius: 8px 8px 0 0;  /* Gecko browsers */
 -webkit-border-radius: 8px 8px 0 0; /* Webkit browsers */
 border-radius: 8px 8px 0 0;
 color: #fff;
 position: relative;
}
#moocTitle a {
 position: absolute;
 right: 10px;
 bottom: 10px;
 display: inline;
 color: #fff;
 font-size: 12px;
 line-height: 24px;
}
/* 底部样式 */
#moocBot {
 width: 399px;
 height: 10px;
 overflow: hidden;  /* 这个一定要加上，内容超出的部分要隐藏，免得撑高底部结构 */
}
/* 中间样式 */
#moocBox {
 height: 144px;
 width: 335px;
 margin-left: 25px;
 margin-top: 10px;
 margin-bottom: 10px;
 overflow: hidden; /* 这个一定要加，超出的内容部分要隐藏，免得撑高中间部分 */
}
#mooc ul{
 display: inline-block;
}
#mooc ul li {
 height: 24px;
}
#mooc ul li a {
 width: 180px;
 float: left;
 display: block;
 overflow: hidden;
 text-indent: 15px;
 height: 24px;
}
#mooc ul li span {
 float: right;
 color: #999;
}

js：

var box = document.getElementById("moocBox");
var con1 = document.getElementById("con1");
var con2 = document.getElementById("con2");
var speed = 50;
con2.innerHTML = con1.innerHTML;
function scrollUp() {
 if(box.scrollTop>=con1.scrollHeight){
  box.scrollTop = 0;
 }else {
  box.scrollTop++;
 }
}
var myScroll = setInterval("scrollUp()",speed);
box.onmouseover = function () {
 clearInterval(myScroll);
};
box.onmouseout = function () {
 myScroll = setInterval("scrollUp()",speed);
}

效果图：

以上这篇信息滚动效果的实例讲解就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持。

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