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> <div> <img src="https://www.jb51.net/images/logo.gif1" alt="" /> <img src="https://www.jb51.net/images/logo.gif2" alt="" /> <img src="https://www.jb51.net/images/logo.gif3" alt="" /> <img src="https://www.jb51.net/images/logo.gif4" alt="" /> <img src="https://www.jb51.net/images/logo.gif5" alt="" /> <img src="https://www.jb51.net/images/logo.gif6" alt="" /> <img src="https://www.jb51.net/images/logo.gif7" alt="" /> <img src="https://www.jb51.net/images/logo.gif8" alt="" /> </div> <div></div> </div> <script type="text/javascript"> boxmove("a","a1","a2",1); </script> <h2>向右</h2> <div> <div> <img src="https://www.jb51.net/images/logo.gif1" alt="" /> <img src="https://www.jb51.net/images/logo.gif2" alt="" /> <img src="https://www.jb51.net/images/logo.gif3" alt="" /> <img src="https://www.jb51.net/images/logo.gif4" alt="" /> <img src="https://www.jb51.net/images/logo.gif5" alt="" /> <img src="https://www.jb51.net/images/logo.gif6" alt="" /> <img src="https://www.jb51.net/images/logo.gif7" alt="" /> <img src="https://www.jb51.net/images/logo.gif8" alt="" /> </div> <div></div> </div> <script type="text/javascript"> boxmove("b","b1","b2",2); </script> <h2>向下</h2> <div> <div> <img src="https://www.jb51.net/images/logo.gif1" alt="" /> <img src="https://www.jb51.net/images/logo.gif2" alt="" /> <img src="https://www.jb51.net/images/logo.gif3" alt="" /> <img src="https://www.jb51.net/images/logo.gif4" alt="" /> <img src="https://www.jb51.net/images/logo.gif5" alt="" /> <img src="https://www.jb51.net/images/logo.gif6" alt="" /> <img src="https://www.jb51.net/images/logo.gif7" alt="" /> <img src="https://www.jb51.net/images/logo.gif8" alt="" /> </div> <div></div> </div> <script type="text/javascript"> boxmove("c","c1","c2",3); </script> <h2>向左</h2> <div> <div> <img src="https://www.jb51.net/images/logo.gif1" alt="" /> <img src="https://www.jb51.net/images/logo.gif2" alt="" /> <img src="https://www.jb51.net/images/logo.gif3" alt="" /> <img src="https://www.jb51.net/images/logo.gif4" alt="" /> <img src="https://www.jb51.net/images/logo.gif5" alt="" /> <img src="https://www.jb51.net/images/logo.gif6" alt="" /> <img src="https://www.jb51.net/images/logo.gif7" alt="" /> <img src="https://www.jb51.net/images/logo.gif8" alt="" /> </div> <div></div> </div> <script type="text/javascript"> boxmove("d","d1","d2",4); </script> <h2>手动滚动 - <strong>上</strong> <strong>下</strong></h2> <div> <div> <img src="https://www.jb51.net/images/logo.gif1" alt="" /> <img src="https://www.jb51.net/images/logo.gif2" alt="" /> <img src="https://www.jb51.net/images/logo.gif3" alt="" /> <img src="https://www.jb51.net/images/logo.gif4" alt="" /> <img src="https://www.jb51.net/images/logo.gif5" alt="" /> <img src="https://www.jb51.net/images/logo.gif6" alt="" /> <img src="https://www.jb51.net/images/logo.gif7" alt="" /> <img src="https://www.jb51.net/images/logo.gif8" alt="" /> </div> <div></div> </div> <h2>手动滚动 - <strong>左</strong> <strong>右</strong></h2> <div> <div> <img src="https://www.jb51.net/images/logo.gif1" alt="" /> <img src="https://www.jb51.net/images/logo.gif2" alt="" /> <img src="https://www.jb51.net/images/logo.gif3" alt="" /> <img src="https://www.jb51.net/images/logo.gif4" alt="" /> <img src="https://www.jb51.net/images/logo.gif5" alt="" /> <img src="https://www.jb51.net/images/logo.gif6" alt="" /> <img src="https://www.jb51.net/images/logo.gif7" alt="" /> <img src="https://www.jb51.net/images/logo.gif8" alt="" /> </div> <div></div> </div> </body> </html>
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