常用JS图片滚动(无缝、平滑、上下左右滚动)




<!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=gb2312" />  
<title>向上下左右不间断无缝滚动图片的效果(兼容火狐和IE)- www.codefans.net</title>  
</head>  
<body>  
<div id="colee" style="overflow:hidden;height:253px;width:410px;">  
<div id="colee1">  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
</div>  
<div id="colee2"></div>  
</div>  
<script>  
var speed=30;  
var colee2=document.getElementById("colee2");  
var colee1=document.getElementById("colee1");  
var colee=document.getElementById("colee");  
colee2.innerHTML=colee1.innerHTML; //克隆colee1为colee2  
function Marquee1(){  
//当滚动至colee1与colee2交界时  
if(colee2.offsetTop-colee.scrollTop<=0){  
 colee.scrollTop-=colee1.offsetHeight; //colee跳到最顶端  
 }else{  
 colee.scrollTop++  
}  
}  
var MyMar1=setInterval(Marquee1,speed)//设置定时器  
//鼠标移上时清除定时器达到滚动停止的目的  
colee.onmouseover=function() {clearInterval(MyMar1)}  
//鼠标移开时重设定时器  
colee.onmouseout=function(){MyMar1=setInterval(Marquee1,speed)}  
</script>  
<!--向上滚动代码结束-->  
<br>  
<!--下面是向下滚动代码-->  
<div id="colee_bottom" style="overflow:hidden;height:253px;width:410px;">  
<div id="colee_bottom1">  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
<p><img src="/jscss/demoimg/200907/bg3.jpg"></p>  
</div>  
<div id="colee_bottom2"></div>  
</div>  
<script>  
var speed=30  
var colee_bottom2=document.getElementById("colee_bottom2");  
var colee_bottom1=document.getElementById("colee_bottom1");  
var colee_bottom=document.getElementById("colee_bottom");  
colee_bottom2.innerHTML=colee_bottom1.innerHTML  
colee_bottom.scrollTop=colee_bottom.scrollHeight  
function Marquee2(){  
if(colee_bottom1.offsetTop-colee_bottom.scrollTop>=0)  
colee_bottom.scrollTop+=colee_bottom2.offsetHeight  
else{  
colee_bottom.scrollTop--  
}  
}  
var MyMar2=setInterval(Marquee2,speed)  
colee_bottom.onmouseover=function() {clearInterval(MyMar2)}  
colee_bottom.onmouseout=function() {MyMar2=setInterval(Marquee2,speed)}  
</script>  
<!--向下滚动代码结束-->  
<br>  
<!--下面是向左滚动代码-->  
<div id="colee_left" style="overflow:hidden;width:500px;">  
<table cellpadding="0" cellspacing="0" border="0">  
<tr><td id="colee_left1" valign="top" align="center">  
<table cellpadding="2" cellspacing="0" border="0">  
<tr align="center">  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
</tr>  
</table>  
</td>  
<td id="colee_left2" valign="top"></td>  
</tr>  
</table>  
</div>  
<script>  
//使用div时,请保证colee_left2与colee_left1是在同一行上.  
var speed=30//速度数值越大速度越慢  
var colee_left2=document.getElementById("colee_left2");  
var colee_left1=document.getElementById("colee_left1");  
var colee_left=document.getElementById("colee_left");  
colee_left2.innerHTML=colee_left1.innerHTML  
function Marquee3(){  
if(colee_left2.offsetWidth-colee_left.scrollLeft<=0)//offsetWidth 是对象的可见宽度  
colee_left.scrollLeft-=colee_left1.offsetWidth//scrollWidth 是对象的实际内容的宽,不包边线宽度  
else{  
colee_left.scrollLeft++  
}  
}  
var MyMar3=setInterval(Marquee3,speed)  
colee_left.onmouseover=function() {clearInterval(MyMar3)}  
colee_left.onmouseout=function() {MyMar3=setInterval(Marquee3,speed)}  
</script>  
<!--向左滚动代码结束-->  
<br>  
<!--下面是向右滚动代码-->  
<div id="colee_right" style="overflow:hidden;width:500px;">  
<table cellpadding="0" cellspacing="0" border="0">  
<tr><td id="colee_right1" valign="top" align="center">  
<table cellpadding="2" cellspacing="0" border="0">  
<tr align="center">  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
<td><p><img src="/jscss/demoimg/200907/bg3.jpg"></p></td>  
</tr>  
</table>  
</td>  
<td id="colee_right2" valign="top"></td>  
</tr>  
</table>  
</div>  
<script>  
var speed=30//速度数值越大速度越慢  
var colee_right2=document.getElementById("colee_right2");  
var colee_right1=document.getElementById("colee_right1");  
var colee_right=document.getElementById("colee_right");  
colee_right2.innerHTML=colee_right1.innerHTML  
function Marquee4(){  
if(colee_right.scrollLeft<=0)  
colee_right.scrollLeft+=colee_right2.offsetWidth  
else{  
colee_right.scrollLeft--  
}  
}  
var MyMar4=setInterval(Marquee4,speed)  
colee_right.onmouseover=function() {clearInterval(MyMar4)}  
colee_right.onmouseout=function() {MyMar4=setInterval(Marquee4,speed)}  
</script>  
<!--向右滚动代码结束-->  
</body>  
</html>  




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