• 不间断滚动图片


    <!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>
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  • 原文地址:https://www.cnblogs.com/pigtail/p/2158060.html
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