CSS3实现整屏切换效果

页面结构

实现思路与大众方法类似,如图 

 

每个section就是一页内容,它的大小充满了屏幕(红色区域),一个Container由多个section构成,我们通过改变container的位置,来达到页面切换的效果。container向下走,页面好像上移了,container向上走,页面就下移了。 

事件监听

此时窗口里只显示一个页面,我们给其加上滚动监听,因为firefox和非firefox浏览器对滚动监听支持不同,firefox浏览器向上滚动是-120,向下滚动是120,而其他浏览器向上是5,向下是-5,所以需要作判断。

  1 <!DOCTYPE html>
  2 <html>
  3 <head lang="ch">
  4     <meta charset="UTF-8">
  5     <meta name=”viewport” content="width=device-width, user-scalable=no, initial-scale=1.0">
  6     <title></title>
  7     <style>
  8         body, html{
  9             padding: 0;
 10             margin: 0;
 11         }
 12 
 13         body, html {
 14             height: 100%;
 15             overflow: hidden;
 16         }
 17 
 18         #container, .section {
 19             height: 100%;
 20         }
 21 
 22         .section {
 23             background-color: #000;
 24             background-size: cover;
 25             background-position: 50% 50%;
 26         }
 27 
 28         #section0 {
 29             background-color: #83af9b;
 30         }
 31 
 32         #section1 {
 33             background-color: #764d39;
 34         }
 35 
 36         #section2 {
 37             background-color: #ff9000;
 38         }
 39 
 40         #section3 {
 41             background-color: #380d31;
 42         }
 43 
 44     </style>
 45 </head>
 46 <body>
 47 <div id="container">
 48     <div class="section" id="section0"></div>
 49     <div class="section" id="section1"></div>
 50     <div class="section" id="section2"></div>
 51     <div class="section" id="section3"></div>
 52 </div>
 53 
 54 <script src="http://code.jquery.com/jquery-latest.js"></script>
 55 <script>
 56     var curIndex = 0;
 57     var container = $("#container");
 58     var sumCount = $(".section").length;
 59     var $window = $(window);
 60     var duration = 500;
 61     //时间控制
 62     var aniTime = 0;
 63 
 64     var scrollFunc = function (e) {
 65         //如果动画还没执行完,则return
 66         if(new Date().getTime() < aniTime + duration){
 67             return;
 68         }
 69         e = e || window.event;
 70         var t = 0;
 71         if (e.wheelDelta) {//IE/Opera/Chrome
 72             t = e.wheelDelta;
 73             if (t > 0 && curIndex > 0) {
 74                 //上滚动
 75                 movePrev();
 76             } else if (t < 0 && curIndex < sumCount - 1) {
 77                 //下滚动
 78                 moveNext();
 79             }
 80         } else if (e.detail) {//Firefox
 81             t = e.detail;
 82             if (t < 0 && curIndex > 0) {
 83                 //上滚动
 84                 movePrev();
 85             } else if (t > 0 && curIndex < sumCount - 1) {
 86                 //下滚动
 87                 moveNext();
 88             }
 89         }
 90     };
 91 
 92     function moveNext(){
 93         //获取动画开始时的时间
 94         aniTime = new Date().getTime();
 95         container.css("transform", "translate3D(0, -" + (++curIndex) * $window.height() + "px, 0)");
 96     }
 97 
 98     function movePrev(){
 99         //获取动画开始时的时间
100         aniTime = new Date().getTime();
101         container.css("transform", "translate3D(0, -" + (--curIndex) * $window.height() + "px, 0)");
102     }
103 
104     function init(){
105         /*注册事件*/
106         if (document.addEventListener) {
107             document.addEventListener('DOMMouseScroll', scrollFunc, false);
108         }//W3C
109         window.onmousewheel = document.onmousewheel = scrollFunc;//IE/Opera/Chrome
110 
111         container.css({
112             "transition": "all 0.5s",
113             "-moz-transition": "all 0.5s",
114             "-webkit-transition": "all 0.5s"
115         });
116     }
117 
118     init();
119 </script>
120 </body>
121 </html>

 

posted @ 2017-06-13 17:19  ysx_小鱼  阅读(696)  评论(0编辑  收藏  举报