主要知识点:
@media all and (orientation : landscape) { /* 这是匹配横屏的状态,横屏时的css代码 */}
@media all and (orientation : portrait){ /* 这是匹配竖屏的状态,竖屏时的css代码 */}
animation:
name( keyframe 名称)
duration (规定完成动画所花费的时间,以秒或毫秒计)
timing-function (规定动画的速度曲线)
delay (规定在动画开始之前的延迟)
iteration-count (规定动画应该播放的次数)
direction(规定是否应该轮流反向播放动画)
HTML
<html> <head> <meta charset="UTF-8"> <meta content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no" name="viewport"> <meta content="yes" name="apple-mobile-web-app-capable"> <meta content="black" name="apple-mobile-web-app-status-bar-style"> <meta content="telephone=no" name="format-detection"> <meta content="email=no" name="format-detection"> <title>@keyframes Screen Rotation</title> </head> <body> <div class="cubic"> <img class="oMove" src="http://note.youdao.com/yws/public/resource/5f8d8cc6e6722e4514141c815c87c1b8/803E63652A65490D8B80D1A4AAD902AC"> <p>横屏观看,体验更佳</p> </div> </body> </html>
CSS
body{ background-color: #000000; color:#fff; font-size: 13px; } .cubic{ width: 200px; height: 200px; position: absolute; top: 0; right:0; bottom: 0; left: 0; margin:auto; text-align: center; } .oMove{ /*animation: name( keyframe 名称) duration (规定完成动画所花费的时间,以秒或毫秒计) timing-function (规定动画的速度曲线) delay (规定在动画开始之前的延迟) iteration-count (规定动画应该播放的次数) direction(规定是否应该轮流反向播放动画) */ -webkit-animation:oReverse 2.6s infinite 1.0s linear; -webkit-transform:rotate(90deg); animation:reverse 2.6s infinite 1.0s linear; transform:rotate(90deg); } @-webkit-keyframes oReverse{ 0%{-webkit-transform:rotate(90deg);} 25%{-webkit-transform:translate(0);} 50%{-webkit-transform:translate(0);} 100%{-webkit-transform:translate(90deg);} } @keyframes oReverse{ 0%{-webkit-transform:rotate(90deg);} 25%{-webkit-transform:translate(0);} 50%{-webkit-transform:translate(0);} 100%{-webkit-transform:translate(90deg);} } @media screen and (orientation:landscape){ /*横屏的时候,动画消失*/ .cubic{display:none!important} }
时间: 2024-11-06 09:27:29