CSS 旋转效果

描述

它提供了围绕轴线或中心以圆形运动或导致物体运动的功能。

语法

@keyframes rotateOut {
   0% {
      transform-origin: center center;
      transform: rotate(0);
      opacity: 1;
   }
   100% {
      transform-origin: center center;
      transform: rotate(200deg);
      opacity: 0;
   }
}

参数

transform - 变换应用于元素的2D和3D变换。
opacity - 透明度应用于元素以实现半透明效果。

示例

<html>
   <head>
      <style>
         .animated {
            background-image: url(https://geek-docs.com/static/logo.png);
            background-repeat: no-repeat;
            background-position: left top;
            padding-top:95px;
            margin-bottom:60px;
            -webkit-animation-duration: 10s;
            animation-duration: 10s;
            -webkit-animation-fill-mode: both;
            animation-fill-mode: both;
         }

         @-webkit-keyframes rotateOut {
            0% {
               -webkit-transform-origin: center center;
               -webkit-transform: rotate(0);
               opacity: 1;
            }
            100% {
               -webkit-transform-origin: center center;
               -webkit-transform: rotate(200deg);
               opacity: 0;
            }
         }

         @keyframes rotateOut {
            0% {
               transform-origin: center center;
               transform: rotate(0);
               opacity: 1;
            }
            100% {
               transform-origin: center center;
               transform: rotate(200deg);
               opacity: 0;
            }
         }

         .rotateOut {
            -webkit-animation-name: rotateOut;
            animation-name: rotateOut;
         }
      </style>
   </head>

   <body>

      <div id = "animated-example" class = "animated rotateOut"></div>
      <button onclick = "myFunction()">Reload page</button>

      <script>
         function myFunction() {
            location.reload();
         }
      </script>

   </body>
</html>

它将产生以下结果 –