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js实现的鼠标滚轮滚动切换页面效果(类似360默认页面滚动切换效果)
站长资源 2024/11/29 佚名
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DDR爱好者之家 Design By 杰米

本文实例讲述了js实现的鼠标滚轮滚动切换页面效果的方法。分享给大家供大家参考，具体如下：

运行效果截图如下：

js实现的鼠标滚轮滚动切换页面效果(类似360默认页面滚动切换效果)

js实现的鼠标滚轮滚动切换页面效果(类似360默认页面滚动切换效果)

具体代码如下：

<!DOCTYPE html>
<html>
 <head>
  <title>wheel</title>
  <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
  <script type="text/javascript" >
   var currentShowPageIndex = 0;
   var animateTimeout = null;
   var isWheelAnimating = false;
   var isWheelUp = function(event) {
    event = event || window.event;
    var up = true;
    if(event.wheelDelta){//IE/Opera/Chrome
     up = event.wheelDelta / 120 == 1 "";
    barLiList[index].className = "active"; 
   }
   var changePage = function(pageIndex) {
    var showPageUl = document.getElementById('wheelUl');
    changeBar(currentShowPageIndex, pageIndex);
    currentShowPageIndex = pageIndex;
    var left = -(currentShowPageIndex) * 1000;
    showPageUl.style.marginLeft = left + "px";
    return;
   }
   var animate = function(obj, mode, from, to){
    if(animateTimeout) {
     clearTimeout(animateTimeout);
    }
    if(mode == "left") {
     if(from > to) {
      from = from - 50;
      obj.style.marginLeft = (from) + "px";
      setTimeout(function(){
       animate(obj, mode, from, to);
      }, 30);
     } else {
        isWheelAnimating = false;
       }
     return;
    } 
    if(from < to) {
     from = from + 50;
     obj.style.marginLeft = (from) + "px";
     setTimeout(function(){
      animate(obj, mode, from, to);
     }, 30);
    } else {
       isWheelAnimating = false;
      }
   }
   var mouseWheel = function(event) { 
    if(isWheelAnimating) {
      return;
    }
    isWheelAnimating = true;
    var wheelUp = isWheelUp(event);
    var showPageUl = document.getElementById('wheelUl');
    var showPageUlWidth = parseInt(showPageUl.offsetWidth);
    var showPageLiList = showPageUl.getElementsByTagName('li');
    var showPageLiListLength = showPageLiList.length;
    var wheelWrapperLeft = parseInt(document.getElementById('wheelWrapper').offsetLeft);
    if(wheelUp && currentShowPageIndex < showPageLiListLength - 1) {
     changeBar(currentShowPageIndex, currentShowPageIndex + 1);
     currentShowPageIndex ++;
     var left = -(currentShowPageIndex) * 1000;
     //animate(showPageUl, "right", -(currentShowPageIndex - 1) * 1000, -(currentShowPageIndex - 1) * 1000);
     var from = -(currentShowPageIndex - 1) * 1000;
     var to = -(currentShowPageIndex) * 1000;
     animate(showPageUl, "left", from, to);
     return;
    }
    if(!wheelUp && currentShowPageIndex > 0) {
     changeBar(currentShowPageIndex, currentShowPageIndex - 1);
     currentShowPageIndex --;
     var from = -(currentShowPageIndex + 1) * 1000;
     var to = -(currentShowPageIndex) * 1000;
     animate(showPageUl, "right", from, to);
     return;
    } 
    isWheelAnimating = false;
   };
   if(document.addEventListener){
    document.addEventListener('DOMMouseScroll',function(event) { mouseWheel(event); },false);
   }
   document.onmousewheel = function(event) { mouseWheel(event); }
   window.onload = function(){
    var barUl = document.getElementById('barUl');
    var barLiList = barUl.getElementsByTagName('li');
    for(var i=0,length=barLiList.length; i<length; i++) {
     (function(index){
      barLiList[index].onclick = function(){
       changePage(index);
      };
     })(i);
    }
   }
  </script>
  <style type="text/css" >
   body { background:#494949; margin:0; }
   ul { list-style:none; margin:0; padding:0; }
   li { float:left;}
   #wheelWrapper {
    width:1000px; height:550px; margin:0 auto; 
    position:fixed; left:50%; margin-left:-505px;
    bottom:50px; overflow:hidden;
   }
   #wheelUl {
    width:5050px; height:500px;
   }
   #barUl {
    clear:both; margin:0 auto; width:550px;
    margin-top:20px; line-height:25px;
   }
   #barUl>li {
    width:100px; background:orange;
    height:25px; margin-right:10px;
    border-radius:5px; text-align:center;
    -webkit-border-radius:5px;
    -moz-border-radius:5px;
   }
   #barUl>li:hover {
    background:#C36C12;
   }
   #barUl>li[class=active] {
    background:#C36C12;
   }
   #wheelUl>li { width:1000px; }
   .wheel {
    width:994px; height:500px; background:#FAAA3C;
    border-radius:10px;
    -webkit-border-radius:10px;
    -moz-border-radius:10px;
    margin:0 auto;
    line-height:300px;
    font-size:100px;
    text-align:center;
   }
   .radius {
    border-radius:3px;
    -webkit-border-radius:3px;
    -moz-border-radius:3px;
   }
   h1 { text-align:center; color:#fff; }
  </style>
 </head>
 <body id="body">
  <h1 >ie8+,chrome,ff提供支持</h1>
  <div id="wrapper">
   <div id="wheelWrapper">
    <ul id="wheelUl" >
     <li >
      <div class="wheel">
       1_page1
      </div>
     </li>
     <li >
      <div class="wheel">
       2_page2
      </div>
     </li>
     <li >
      <div class="wheel">
       3_page3
      </div>
     </li>
     <li >
      <div class="wheel">
       4_page4
      </div>
     </li>
     <li >
      <div class="wheel">
       5_page5
      </div>
     </li>
    </ul>
    <ul id="barUl">
     <li class="active">
      1
     </li>
     <li>
      2
     </li>
     <li>
      3
     </li>
     <li>
      4
     </li>
     <li>
      5
     </li>
    </ul>
   </div>
  </div>
 </body>
</html>

更多关于jQuery特效相关内容感兴趣的读者可查看本站专题：《jQuery常见经典特效汇总》及《jQuery动画与特效用法总结》

希望本文所述对大家jQuery程序设计有所帮助。

DDR爱好者之家 Design By 杰米
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