Kesan halaman pensuisan tatal roda tetikus dilaksanakan oleh js (serupa dengan kesan penukaran tatal halaman lalai 360)

Kesan halaman pensuisan tatal roda tetikus dilaksanakan oleh js (serupa dengan kesan penukaran tatal halaman lalai 360)_kemahiran javascript

WBOY

Lepaskan： 2016-05-16 15:17:39

asal

1893 orang telah melayarinya

Contoh dalam artikel ini menerangkan kaedah menggunakan tatal roda tetikus untuk menukar halaman menggunakan js. Kongsikan dengan semua orang untuk rujukan anda, butirannya adalah seperti berikut:

Tangkapan skrin kesan berjalan adalah seperti berikut:

Kod khusus adalah seperti berikut:

<!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 &#63; true : false;
    }else{//Firefox
     up = event.detail / 3 == 1 &#63; true : false;
    }
    return up;
   }
   var changeBar = function(prevIndex, index) {
    var barUl = document.getElementById('barUl');
    var barLiList = barUl.getElementsByTagName('li');
    barLiList[prevIndex].className = "";
    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>

Salin selepas log masuk

Pembaca yang berminat dengan lebih banyak kandungan yang berkaitan dengan kesan khas jQuery boleh menyemak topik khas di tapak ini: "Ringkasan kesan khas klasik biasa jQuery" dan "Ringkasan animasi jQuery dan penggunaan kesan khas"

Saya harap artikel ini akan membantu semua orang dalam pengaturcaraan jQuery.