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焦点Banner效果滚动实现效果分享

稿源：互联网 2022-04-24 08:23:05 点击： 16551 撤稿纠错

焦点Banner效果滚动实现效果，很漂亮的一个图片滚动特效，可以用来挂广告。

以下讨论的是和滚动特效相关的焦点Banner效果滚动实现效果分享教程文章，内容是本站精心挑选整理的教程，希望对广大的网友给到帮助,下面是详细内容：

脚本代码(For Alixixi.com)如下:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>佐佐制造byzuo.cn---iBanner</title>
<style type="text/css">
/* Reset style */
* { margin:0; padding:0; }
body { background:#FFF; color:#333; font:12px/1.6em Helvetica, Arial, sans-serif; }
h1, h2, h3, h4, h5, h6 { font-size:1em; }
a { color:#0287CA; text-decoration:none; }
 a:hover { text-decoration:underline; }
ul, li { list-style:none; }
fieldset, img { border:none; }
legend { display:none; }
em, strong, cite, th { font-style:normal; font-weight:normal; }
input, textarea, select, button { font:12px Helvetica, Arial, sans-serif; }
table { border-collapse:collapse; }
html { overflow:-moz-scrollbars-vertical; } /*Always show Firefox scrollbar*/
/* iBanner style */
#ibanner { position:relative; width:650px; height:250px; overflow:hidden; margin:20px 0 20px 300px; }
 #ibanner_pic {}
  #ibanner_pic a { position:absolute; top:0; display:block; width:650px; height:250px; overflow:hidden; }
 #ibanner_btn { position:absolute; z-index:9999; right:5px; bottom:5px; font-weight:700; font-family:Arial; }
  #ibanner_btn span { display:block; float:left; margin-left:4px; padding:0 5px; background:#000; cursor:pointer; }
  #ibanner_btn .normal { height:20px; margin-top:8px; border:1px solid #999; color:#999; font-size:16px; line-height:20px; }
  #ibanner_btn .current { height:28px; border:1px solid #FF5300; color:#FF5300; font-size:28px; line-height:28px; }
</style>
<script type="text/javascript">
function $(id) { return document.getElementById(id); }
function addLoadEvent(func){
 var oldonload = window.onload;
 if (typeof window.onload != 'function') {
  window.onload = func;
 } else {
  window.onload = function(){
   oldonload();
   func();
  }
 }
}
function addBtn() {
 if(!$('ibanner')||!$('ibanner_pic')) return;
 var picList = $('ibanner_pic').getElementsByTagName('a');
 if(picList.length==0) return;
 var btnBox = document.createElement('div');
 btnBox.setAttribute('id','ibanner_btn');
 var SpanBox ='';
 for(var i=1; i<=picList.length; i++ ) {
  var spanList = '<span class="normal">'+i+'</span>';
  SpanBox += spanList;
 }
 btnBox.innerHTML = SpanBox;
 $('ibanner').appendChild(btnBox);
 $('ibanner_btn').getElementsByTagName('span')[0].className = 'current';
 for (var m=0; m<picList.length; m++){
  var attributeValue = 'picLi_'+m
  picList[m].setAttribute('id',attributeValue);
 }
}
function moveElement(elementID,final_x,final_y,interval) {
 if (!document.getElementById) return false;
 if (!document.getElementById(elementID)) return false;
 var elem = document.getElementById(elementID);
 if (elem.movement) {
  clearTimeout(elem.movement);
 }
 if (!elem.style.left) {
  elem.style.left = "0px";
 }
 if (!elem.style.top) {
  elem.style.top = "0px";
 }
 var xpos = parseInt(elem.style.left);
 var ypos = parseInt(elem.style.top);
 if (xpos == final_x && ypos == final_y) {
  moveing = false;
  return true;
 }
  if (xpos < final_x) {
    var dist = Math.ceil((final_x - xpos)/10);
    xpos = xpos + dist;
  }
  if (xpos > final_x) {
    var dist = Math.ceil((xpos - final_x)/10);
    xpos = xpos - dist;
  }
  if (ypos < final_y) {
    var dist = Math.ceil((final_y - ypos)/10);
    ypos = ypos + dist;
  }
  if (ypos > final_y) {
    var dist = Math.ceil((ypos - final_y)/10);
    ypos = ypos - dist;
  }
 elem.style.left = xpos + "px";
 elem.style.top = ypos + "px";
 var repeat = "moveElement('"+elementID+"',"+final_x+","+final_y+","+interval+")";
 elem.movement = setTimeout(repeat,interval);
}
function classNormal() {
 var btnList = $('ibanner_btn').getElementsByTagName('span');
 for (var i=0; i<btnList.length; i++){
  btnList[i].className='normal';
 }
}
function picZ() {
 var picList = $('ibanner_pic').getElementsByTagName('a');
 for (var i=0; i<picList.length; i++){
  picList[i].style.zIndex='1';
 }
}
var autoKey = false;
function iBanner() {
 if(!$('ibanner')||!$('ibanner_pic')||!$('ibanner_btn')) return;
 $('ibanner').onmouseover = function(){autoKey = true};
 $('ibanner').onmouseout = function(){autoKey = false};
 var btnList = $('ibanner_btn').getElementsByTagName('span');
 var picList = $('ibanner_pic').getElementsByTagName('a');
 if (picList.length==1) return;
 picList[0].style.zIndex='2';
 for (var m=0; m<btnList.length; m++){
  btnList[m].onmouseover = function() {
   for(var n=0; n<btnList.length; n++) {
    if (btnList[n].className == 'current') {
     var currentNum = n;
    }
   }
   classNormal();
   picZ();
   this.className='current';
   picList[currentNum].style.zIndex='2';
   var z = this.childNodes[0].nodeValue-1;
   picList[z].style.zIndex='3';
   if (currentNum!=z){
    picList[z].style.left='650px';
    moveElement('picLi_'+z,0,0,10);
   }
  }
 } 
}
setInterval('autoBanner()', 5000);
function autoBanner() {
 if(!$('ibanner')||!$('ibanner_pic')||!$('ibanner_btn')||autoKey) return;
 var btnList = $('ibanner_btn').getElementsByTagName('span');
 var picList = $('ibanner_pic').getElementsByTagName('a');
 if (picList.length==1) return;
 for(var i=0; i<btnList.length; i++) {
  if (btnList[i].className == 'current') {
   var currentNum = i;
  }
 }
 if (currentNum==(picList.length-1) ){
  classNormal();
  picZ();
  btnList[0].className='current';
  picList[currentNum].style.zIndex='2';
  picList[0].style.zIndex='3';
  picList[0].style.left='650px';
  moveElement('picLi_0',0,0,10);
 } else {
  classNormal();
  picZ();
  var nextNum = currentNum+1;
  btnList[nextNum].className='current';
  picList[currentNum].style.zIndex='2';
  picList[nextNum].style.zIndex='3';
  picList[nextNum].style.left='650px';
  moveElement('picLi_'+nextNum,0,0,10);
 }
}
addLoadEvent(addBtn);
addLoadEvent(iBanner);
</script>
</head>
<body>
<div id="ibanner">
 <div id="ibanner_pic">
  <a href="http://www.alixixi.com/"><img src="http://www.alixixi.com/UploadPic/2008-11/2008114172548158.jpg" alt="" /></a>
  <a href="http://www.alixixi.com/"><img src="http://www.alixixi.com/UploadPic/2008-11/2008114172548403.jpg" alt="" /></a>
  <a href="http://www.alixixi.com/"><img src="http://www.alixixi.com/UploadPic/2008-11/2008114172549999.jpg" alt="" /></a>
  <a href="http://www.alixixi.com/"><img src="http://www.alixixi.com/UploadPic/2008-11/2008114172549949.jpg" alt="" /></a>
 </div>
</div>
<div style="height:20px; background:#EEE;"></div>
</body>
</html></font>



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