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  • css3animation模仿百度音乐的唱片旋转效果

    好久没更新blog,补上几篇技术性的文章。好吧,第一篇是关于css3动画animation的使用,要用到keyframes规则。

      

      1 <!doctype html>
      2 <html lang="en">
      3 <head>
      4     <meta charset="UTF-8">
      5     <title>Document</title>
      6 <script type="text/javascript" src="jquery.min.js"></script>
      7 <script>
      8 $(function(){
      9     /*$('.wrap').children('i').click(function(){
     10         $(this).toggleClass('action');
     11         if($(this).prev().css('-webkit-animation-play-state') == 'paused'){
     12            $(this).prev().css({
     13               '-webkit-animation-play-state':'running'
     14            });
     15         }else{
     16            $(this).prev().css({
     17               '-webkit-animation-play-state':'paused'
     18            });
     19         }
     20         if($(this).prev().css('-moz-animation-play-state') == 'paused'){
     21            $(this).prev().css({
     22               '-moz-animation-play-state':'running'
     23            });
     24         }else{
     25            $(this).prev().css({
     26               '-moz-animation-play-state':'paused'
     27            });
     28         }    
     29     });*/
     30     $('.wrap>i').click(function(){
     31         $(this).toggleClass('action');
     32         $(this).prev().toggleClass('pause');
     33     });
     34 
     35 });
     36 </script>
     37 <style type="text/css">
     38 .wrap{
     39     width:120px;
     40     height:120px;
     41     position:relative;
     42 }
     43 .avatar-pic{
     44     width:120px;
     45     height:120px;
     46     border-radius:50%;
     47     overflow:hidden;
     48     display:block;
     49     cursor:default;
     50 }
     51 .wrap>i{
     52     position:absolute;
     53     top:42px;
     54     left:42px;
     55     width:36px;
     56     height:36px;
     57     outline:none;
     58     border-radius:50%;
     59     cursor:pointer;
     60 }
     61 .wrap>i:hover{
     62     background-color:rgba(0,0,0,.4);
     63 }
     64 .zantin{
     65     background:url(icons_bds.png) no-repeat 0px -408px;
     66 }
     67 .action{
     68     background:url(icons_bds.png) no-repeat -96px -408px;
     69 }
     70 
     71 
     72 
     73 .avatar{
     74     animation:rotator 10s linear infinite;
     75     -webkit-animation:rotator 10s linear infinite;
     76     -moz-animation:rotator 10s linear infinite;
     77     -o-animation:rotator 10s linear infinite;
     78     -ms-animation:rotator 10s linear infinite;
     79 
     80     -webkit-animation-play-state:running;
     81     -moz-animation-play-state:running;
     82     -o-animation-play-state:running;
     83     -ms-animation-play-state:running;
     84     animation-play-state:running;
     85 }
     86 .pause{
     87     animation-play-state:paused;
     88     -webkit-animation-play-state:paused;
     89     -moz-animation-play-state:paused;
     90     -o-animation-play-state:paused;
     91     -ms-animation-play-state:paused;
     92 }
     93 
     94 @keyframes rotator{
     95     from{transform:rotate(0deg);}
     96     to{transform:rotate(360deg);}
     97 }
     98 @-webkit-keyframes rotator{
     99     form{-webkit-transform:rotate(0deg);}
    100     to{-webkit-transform:rotate(360deg);}
    101 }
    102 @-moz-keyframes rotator{
    103     form{-moz-transform:rotate(0deg);}
    104     to{-moz-transform:rotate(360deg);}
    105 }
    106 @-o-keyframes rotator{
    107     form{-o-transform:rotate(0deg);}
    108     to{-o-transform:rotate(360deg);}
    109 }
    110 @-ms-keyframes rotator{
    111     form{-ms-transform:rotate(0deg);}
    112     to{-ms-transform:rotate(360deg);}
    113 }
    114 </style>
    115 </head>
    116 <body>
    117 <div class="wrap">
    118     <a class="avatar-pic avatar" href="javascript:;">
    119         <img src="l5.jpg" alt="haha">
    120     </a>
    121     <i class="zantin action"></i>    
    122 </div>
    123 </body>
    124 </html>

    css3看起来非常美好,但是实际使用中还是存在不少的不确定性。如果不能看到已经实现的代码模板,你很难确信自己的代码格式就一定正确。所以你可以到http://daneden.me/animate/来观察各种动画效果,选择自己喜欢的动画并生成代码,下载下来后再按照自己的需求来编写动画代码。这样会让你的动画效果实现起来事半功倍(不要担心它达不到你的要求,上面有很多的效果,你可以自己组合,只要你的想象力够丰富)。

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  • 原文地址:https://www.cnblogs.com/hl-520/p/4363122.html
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