本文整理汇总了JavaScript实现图片滚动的常见代码，可以实现向上下左右四个方向的无缝滚动的效果，这是前端设计开发时常用的一个图片特效，你可只用其中的一种滚动效果。
具体的实例代码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN" xml:lang="zh-CN"><head><title>图片滚动代码合集</title><script type="text/javascript">// 自动滚动function boxmove(d1,d2,d3,e,obj){ var speed=30; var demo=document.getElementById(d1); var demo1=document.getElementById(d2); var demo2=document.getElementById(d3); demo2.innerHTML=demo1.innerHTML; function boxTop(){ if(demo2.offsetTop-demo.scrollTop<=0){demo.scrollTop-=demo1.offsetHeight} else{demo.scrollTop++} } function boxRight(){ if(demo.scrollLeft<=0){demo.scrollLeft+=demo2.offsetWidth} else{demo.scrollLeft--} } function boxBottom(){ if(demo1.offsetTop-demo.scrollTop>=0){demo.scrollTop+=demo2.offsetHeight} else{demo.scrollTop--} } function boxLeft(){ if(demo2.offsetWidth-demo.scrollLeft<=0){demo.scrollLeft-=demo1.offsetWidth} else{demo.scrollLeft++} } if(e==1){ var MoveTop=setInterval(boxTop,speed); demo.onmouseover=function(){clearInterval(MoveTop);} demo.onmouseout=function(){MoveTop=setInterval(boxTop,speed)} } if(e==2){ var MoveRight=setInterval(boxRight,speed); demo.onmouseover=function(){clearInterval(MoveRight)} demo.onmouseout=function(){MoveRight=setInterval(boxRight,speed)} } if(e==3){ var MoveBottom=setInterval(boxBottom,speed); demo.onmouseover=function(){clearInterval(MoveBottom);} demo.onmouseout=function(){MoveBottom=setInterval(boxBottom,speed)} } if(e==4){ var MoveLeft=setInterval(boxLeft,speed) demo.onmouseover=function(){clearInterval(MoveLeft)} demo.onmouseout=function(){MoveLeft=setInterval(boxLeft,speed)} } if(e=="top"){ MoveTop=setInterval(boxTop,speed) obj.onmouseout=function(){clearInterval(MoveTop);} } if(e=="right"){ MoveRight=setInterval(boxRight,speed) obj.onmouseout=function(){clearInterval(MoveRight);} } if(e=="bottom"){ MoveBottom=setInterval(boxBottom,speed) obj.onmouseout=function(){clearInterval(MoveBottom);} } if(e=="left"){ MoveLeft=setInterval(boxLeft,speed) obj.onmouseout=function(){clearInterval(MoveLeft);} } }</script><style type="text/css">div#a,div#b,div#c,div#d { float:left;}h2 { clear:both; }div#b,div#d,div#bb { white-space:nowrap; }</style></head><body><h1>滚动合集</h1><hr /><h2>向上</h2><div id="a" style="overflow:hidden;height:100px;width:90px;"><div id="a1"><img src="/images/logo.gif1" alt="" /><img src="/images/logo.gif2" alt="" /><img src="/images/logo.gif3" alt="" /><img src="/images/logo.gif4" alt="" /><img src="/images/logo.gif5" alt="" /><img src="/images/logo.gif6" alt="" /><img src="/images/logo.gif7" alt="" /><img src="/images/logo.gif8" alt="" /></div><div id="a2"></div></div><script type="text/javascript">boxmove("a","a1","a2",1);</script><h2>向右</h2><div id="b" style="overflow:hidden;height:100px;width:90px;"><div id="b1"><img src="/images/logo.gif1" alt="" /><img src="/images/logo.gif2" alt="" /><img src="/images/logo.gif3" alt="" /><img src="/images/logo.gif4" alt="" /><img src="/images/logo.gif5" alt="" /><img src="/images/logo.gif6" alt="" /><img src="/images/logo.gif7" alt="" /><img src="/images/logo.gif8" alt="" /></div><div id="b2"></div></div><script type="text/javascript">boxmove("b","b1","b2",2);</script><h2>向下</h2><div id="c" style="overflow:hidden;height:100px;width:90px;"><div id="c1"><img src="/images/logo.gif1" alt="" /><img src="/images/logo.gif2" alt="" /><img src="/images/logo.gif3" alt="" /><img src="/images/logo.gif4" alt="" /><img src="/images/logo.gif5" alt="" /><img src="/images/logo.gif6" alt="" /><img src="/images/logo.gif7" alt="" /><img src="/images/logo.gif8" alt="" /></div><div id="c2"></div></div><script type="text/javascript">boxmove("c","c1","c2",3);</script><h2>向左</h2><div id="d" style="overflow:hidden;height:100px;width:90px;"><div id="d1"><img src="/images/logo.gif1" alt="" /><img src="/images/logo.gif2" alt="" /><img src="/images/logo.gif3" alt="" /><img src="/images/logo.gif4" alt="" /><img src="/images/logo.gif5" alt="" /><img src="/images/logo.gif6" alt="" /><img src="/images/logo.gif7" alt="" /><img src="/images/logo.gif8" alt="" /></div><div id="d2"></div></div><script type="text/javascript">boxmove("d","d1","d2",4);</script><h2>手动滚动 - <strong onmouseover="boxmove('aa','aa1','aa2','top',this);">上</strong> <strong onmouseover="boxmove('aa','aa1','aa2','bottom',this);">下</strong></h2><div id="aa" style="overflow:hidden;height:100px;width:90px;"><div id="aa1"><img src="/images/logo.gif1" alt="" /><img src="/images/logo.gif2" alt="" /><img src="/images/logo.gif3" alt="" /><img src="/images/logo.gif4" alt="" /><img src="/images/logo.gif5" alt="" /><img src="/images/logo.gif6" alt="" /><img src="/images/logo.gif7" alt="" /><img src="/images/logo.gif8" alt="" /></div><div id="aa2"></div></div><h2>手动滚动 - <strong onmouseover="boxmove('bb','bb1','bb2','left',this);">左</strong> <strong onmouseover="boxmove('bb','bb1','bb2','right',this);">右</strong></h2><div id="bb" style="overflow:hidden;height:100px;width:90px;"><div id="bb1"><img src="/images/logo.gif1" alt="" /><img src="/images/logo.gif2" alt="" /><img src="/images/logo.gif3" alt="" /><img src="/images/logo.gif4" alt="" /><img src="/images/logo.gif5" alt="" /><img src="/images/logo.gif6" alt="" /><img src="/images/logo.gif7" alt="" /><img src="/images/logo.gif8" alt="" /></div><div id="bb2"></div></div></body></html>新闻热点
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