js带箭头左右翻动控制

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<title>带左右箭头切换的自动滚动图片JS特效</title>
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.rollBox .Cont{width:900px;overflow:hidden;float:left;}
.rollBox .ScrCont{width:10000000px;}
.rollBox .Cont .pic{width:172px;float:left;text-align:center; margin-right:10px;}
.rollBox .Cont .pic img{display:block; margin-bottom:7px;}
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.rollBox .Cont .pic p span,.rollBox .Cont .pic p span a{color:#E30074;}
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<body>

<div class="rollBox">

     <div class="LeftBotton" onmousedown="ISL_GoUp()" onmouseup="ISL_StopUp()" onmouseout="ISL_StopUp()"></div>

     <div class="Cont" id="ISL_Cont">

      <div class="ScrCont">

       <div id="List1">

        <!-- 图片列表 begin -->
    
    
           
        <div class="pic">
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        </div> 
              


        <!-- 图片列表 end -->

       </div>

       <div id="List2"></div>

      </div>

     </div>

     <div class="RightBotton" onmousedown="ISL_GoDown()" onmouseup="ISL_StopDown()" onmouseout="ISL_StopDown()"></div>

    </div>

   </div>



<script language="javascript" type="text/javascript">

<!--//--><![CDATA[//><!--

//图片滚动列表 5icool.org

var Speed = 0; //速度(毫秒)

var Space = 5; //每次移动(px)

var PageWidth = 182; //翻页宽度

var fill = 0; //整体移位

var MoveLock = false;

var MoveTimeObj;

var Comp = 0;

var AutoPlayObj = null;

GetObj("List2").innerHTML = GetObj("List1").innerHTML;

GetObj('ISL_Cont').scrollLeft = fill;

GetObj("ISL_Cont").onmouseover = function(){clearInterval(AutoPlayObj);}

GetObj("ISL_Cont").onmouseout = function(){AutoPlay();}

AutoPlay();

function GetObj(objName){if(document.getElementById){return eval('document.getElementById("'+objName+'")')}else{return eval('document.all.'+objName)}}

function AutoPlay(){ //自动滚动

 clearInterval(AutoPlayObj);

 AutoPlayObj = setInterval('ISL_GoDown();ISL_StopDown();',10000000000); //间隔时间

}

function ISL_GoUp(){ //上翻开始

 if(MoveLock) return;

 clearInterval(AutoPlayObj);

 MoveLock = true;

 MoveTimeObj = setInterval('ISL_ScrUp();',Speed);

}

function ISL_StopUp(){ //上翻停止

 clearInterval(MoveTimeObj);

 if(GetObj('ISL_Cont').scrollLeft % PageWidth - fill != 0){

  Comp = fill - (GetObj('ISL_Cont').scrollLeft % PageWidth);

  CompScr();

 }else{

  MoveLock = false;

 }

 AutoPlay();

}

function ISL_ScrUp(){ //上翻动作

 if(GetObj('ISL_Cont').scrollLeft <= 0){GetObj('ISL_Cont').scrollLeft = GetObj('ISL_Cont').scrollLeft + GetObj('List1').offsetWidth}

 GetObj('ISL_Cont').scrollLeft -= Space ;

}

function ISL_GoDown(){ //下翻

 clearInterval(MoveTimeObj);

 if(MoveLock) return;

 clearInterval(AutoPlayObj);

 MoveLock = true;

 ISL_ScrDown();

 MoveTimeObj = setInterval('ISL_ScrDown()',Speed);

}

function ISL_StopDown(){ //下翻停止

 clearInterval(MoveTimeObj);

 if(GetObj('ISL_Cont').scrollLeft % PageWidth - fill != 0 ){

  Comp = PageWidth - GetObj('ISL_Cont').scrollLeft % PageWidth + fill;

  CompScr();

 }else{

  MoveLock = false;

 }

 AutoPlay();

}

function ISL_ScrDown(){ //下翻动作

 if(GetObj('ISL_Cont').scrollLeft >= GetObj('List1').scrollWidth){GetObj('ISL_Cont').scrollLeft = GetObj('ISL_Cont').scrollLeft - GetObj('List1').scrollWidth;}

 GetObj('ISL_Cont').scrollLeft += Space ;

}

function CompScr(){

 var num;

 if(Comp == 0){MoveLock = false;return;}

 if(Comp < 0){ //上翻

  if(Comp < -Space){

   Comp += Space;

   num = Space;

  }else{

   num = -Comp;

   Comp = 0;

  }

  GetObj('ISL_Cont').scrollLeft -= num;

  setTimeout('CompScr()',Speed);

 }else{ //下翻

  if(Comp > Space){

   Comp -= Space;

   num = Space;

  }else{

   num = Comp;

   Comp = 0;

  }

  GetObj('ISL_Cont').scrollLeft += num;

  setTimeout('CompScr()',Speed);

 }

}

//--><!]]>

</script>
</body>

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原文地址：https://www.cnblogs.com/zywf/p/4669796.html