蛮优秀的一段效果代码,可以上下左右滚动,收藏了!!
<!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"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"/><title>滚动测试</title><script type="text/javascript">/*** @para obj 目标对象 如:demo,deml1,demo2 中的"demo" 可任意,只要不重复** @para speed 滚动速度 越大越慢** @para direction 滚动方向 包括:left,right,down,up** @para objWidth 总可见区域宽度** @para objHeight 总可见区域高度* * @para filePath 存放滚动图片的路径 (如果是自动获取文件夹里的图片滚动)** @para contentById 对某id为contentById下的内容进行滚动 此滚动与filePath不能共存请注意** @para 用法实例 scrollObject("res",50,"up",470,200,"","resource") 对contentById(resource)下内容进行滚动** @para 用法实例 scrollObject("res",50,"up",470,200,"d:\images\","") 对filePath(images)下内容自动获取并进行滚动,目前只支持ie*/var $ =function(id){return document.getElementById(id)}// 滚动function scrollObject(obj,speed,direction,objWidth,objHeight,filePath,contentById){// 执行初始化if(direction=="up"||direction=="down") document.write(UDStructure()); else document.write(LRStructure()); var demo = $(obj); var demo1 = $(obj+"1"); var demo2 = $(obj+"2"); var speed=speed;$(contentById).style.display="none"demo.style.overflow="hidden"; demo.style.width = objWidth+"px"; demo.style.height = objHeight+"px"; demo.style.margin ="0 auto";if(filePath!="")demo1.innerHTML=file();if(contentById!="")demo1.innerHTML=$(contentById).innerHTML;demo2.innerHTML=demo1.innerHTML;// 左右滚动function LRStructure() { var _html ="";_html+="<div id=""+obj+"" >";_html+="<table border="0" align="left" cellpadding="0" cellspacing="0" cellspace="0">";_html+="<tr>";_html+="<td nowrap="nowrap" id=""+obj+"1" >";// 此处是放要滚动的内容_html+="</td>";_html+="<td nowrap="nowrap" id=""+obj+"2" ></td>";_html+="</tr>";_html+="</table>";_html+="</div>";return _html; } // 上下滚动的结构function UDStructure() { var _html ="";_html+="<div id="+obj+" >";_html+="<table border="0" align="left" cellpadding="0" cellspacing="0" cellspace="0">";_html+="<tr>";_html+="<td id=""+obj+"1" >";// 此处是放要滚动的内容_html+="</td>";_html+="</tr>";_html+="<tr>";_html+="<td id=""+obj+"2" ></td>";_html+="</tr>";_html+="</table>";_html+="</div>";return _html; } // 取得文件夹下的图片function file() {var tbsource = filePath;//本地文件夹路径filePath = filePath.toString();if (filePath=="")return"";var imgList ="";var objFSO =new ActiveXObject("Scripting.FileSystemObject");// 文件夹是否存在if(!objFSO.FolderExists(tbsource)){alert("<"+tbsource+">该文件夹路径不存在,或者路径不能含文件名!");objFSO =null;return;}var objFolder = objFSO.GetFolder(tbsource);var colFiles =new Enumerator(objFolder.Files);var re_inf1 =/.jpg$/;//验证文件夹文件是否jpg文件 for (;!colFiles.atEnd();colFiles.moveNext()) //读取文件夹下文件 {var objFile = colFiles.item();if(re_inf1.test(objFile.Name.toLowerCase())){imgList +="<img src="+filePath+"/"+objFile.Name+">";} }return imgList; }// 向左滚function left() { if(demo2.offsetWidth-demo.scrollLeft<=0) { demo.scrollLeft-=demo1.offsetWidth; } else { demo.scrollLeft++; } } // 向右滚function right() {if(demo.scrollLeft<=0){demo.scrollLeft+=demo2.offsetWidth;}else{demo.scrollLeft--} } // 向下滚function down() {if(demo1.offsetTop-demo.scrollTop>=0){demo.scrollTop+=demo2.offsetHeight;}else{demo.scrollTop--} }// 向上滚function up() {if(demo2.offsetTop-demo.scrollTop<=0){demo.scrollTop-=demo1.offsetHeight;}else{demo.scrollTop++} } // 切换方向function swichDirection() {switch(direction){case"left":return left();break;case"right":return right();break;case"up":return up();break;default:return down();} }// 重复执行var myMarquee=setInterval(swichDirection,speed);// 鼠标悬停 demo.onmouseover=function() {clearInterval(myMarquee);}// 重新开始滚动 demo.onmouseout=function() { myMarquee=setInterval(swichDirection,speed);}}</script></head><body><div id="img"> <table width="1000" border="0" align="center" cellpadding="5" cellspacing="0"><tr> <td width="200"><img src="http://attach.e.iciba.com/attachment/200910/22/4188617_12561994098532.jpg" alt="" width="200" height="150"/></td> <td width="200"><img src="http://pica.nipic.com/2008-05-27/2008527145211519_2.jpg" alt="" width="200" height="150"/></td> <td width="200"><img src="http://pic4.nipic.com/20090823/383152_215728074589_2.jpg" alt="" width="200" height="150"/></td> <td width="200"><img src="http://pic8.nipic.com/20100628/4643449_170245009531_2.jpg" alt="" width="200" height="150"/></td> <td width="200"><img src="http://pica.nipic.com/2008-05-30/20085309524648_2.jpg" alt="" width="200" height="150"/></td></tr> </table></div><script type="text/javascript">scrollObject("sr",50,"right",800,160,"","img")</script></body></html>以上就是本文的全部内容,了解更多JavaScript的语法,大家可以查看:《JavaScript 参考教程》、《JavaScript代码风格指南》,也希望大家多多支持脚本之家。