本文介绍了一份纯CSS loading效果代码示例，分享给大家，具体如下：
预览
代码
使用了CSS的keyframes自定义关键帧动画
<!DOCTYPE html> <html lang="en"> <head> <title>Loading</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <style> div#preload { margin: auto; position: fixed; width: 100%; height: 100%; background-color: #fff; z-index: 9999999}div#preload>img { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); -webkit-transform: translate(-50%,-50%); -moz-transform: translate(-50%,-50%); -ms-transform: translate(-50%,-50%); -o-transform: translate(-50%,-50%)}div#preload .cssload-loader { position: absolute; left: 0; right: 0; margin: auto; width: 62px; height: 62px; top: 50%; margin-top: -31px; border-radius: 50%; -o-border-radius: 50%; -ms-border-radius: 50%; -webkit-border-radius: 50%; -moz-border-radius: 50%; perspective: 780px}div#preload .cssload-inner { position: absolute; width: 100%; height: 100%; box-sizing: border-box; -o-box-sizing: border-box; -ms-box-sizing: border-box; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; border-radius: 50%; -o-border-radius: 50%; -ms-border-radius: 50%; -webkit-border-radius: 50%; -moz-border-radius: 50%}div#preload .cssload-inner.cssload-one { left: 0; top: 0; animation: cssload-rotate-one 1.15s linear infinite; -o-animation: cssload-rotate-one 1.15s linear infinite; -ms-animation: cssload-rotate-one 1.15s linear infinite; -webkit-animation: cssload-rotate-one 1.15s linear infinite; -moz-animation: cssload-rotate-one 1.15s linear infinite; border-bottom: 3px solid #000}div#preload .cssload-inner.cssload-two { right: 0; top: 0; animation: cssload-rotate-two 1.15s linear infinite; -o-animation: cssload-rotate-two 1.15s linear infinite; -ms-animation: cssload-rotate-two 1.15s linear infinite; -webkit-animation: cssload-rotate-two 1.15s linear infinite; -moz-animation: cssload-rotate-two 1.15s linear infinite; border-right: 3px solid #000}div#preload .cssload-inner.cssload-three { right: 0; bottom: 0; animation: cssload-rotate-three 1.15s linear infinite; -o-animation: cssload-rotate-three 1.15s linear infinite; -ms-animation: cssload-rotate-three 1.15s linear infinite; -webkit-animation: cssload-rotate-three 1.15s linear infinite; -moz-animation: cssload-rotate-three 1.15s linear infinite; border-top: 3px solid #000}@keyframes cssload-rotate-one { 0% { transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg) } 100% { transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg) }}@-o-keyframes cssload-rotate-one { 0% { -o-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg) } 100% { -o-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg) }}@-ms-keyframes cssload-rotate-one { 0% { -ms-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg) } 100% { -ms-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg) }}@-webkit-keyframes cssload-rotate-one { 0% { -webkit-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg) } 100% { -webkit-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg) }}@-moz-keyframes cssload-rotate-one { 0% { -moz-transform: rotateX(35deg) rotateY(-45deg) rotateZ(0deg) } 100% { -moz-transform: rotateX(35deg) rotateY(-45deg) rotateZ(360deg) }}@keyframes cssload-rotate-two { 0% { transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg) } 100% { transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg) }}@-o-keyframes cssload-rotate-two { 0% { -o-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg) } 100% { -o-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg) }}@-ms-keyframes cssload-rotate-two { 0% { -ms-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg) } 100% { -ms-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg) }}@-webkit-keyframes cssload-rotate-two { 0% { -webkit-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg) } 100% { -webkit-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg) }}@-moz-keyframes cssload-rotate-two { 0% { -moz-transform: rotateX(50deg) rotateY(10deg) rotateZ(0deg) } 100% { -moz-transform: rotateX(50deg) rotateY(10deg) rotateZ(360deg) }}@keyframes cssload-rotate-three { 0% { transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg) } 100% { transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg) }}@-o-keyframes cssload-rotate-three { 0% { -o-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg) } 100% { -o-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg) }}@-ms-keyframes cssload-rotate-three { 0% { -ms-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg) } 100% { -ms-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg) }}@-webkit-keyframes cssload-rotate-three { 0% { -webkit-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg) } 100% { -webkit-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg) }}@-moz-keyframes cssload-rotate-three { 0% { -moz-transform: rotateX(35deg) rotateY(55deg) rotateZ(0deg) } 100% { -moz-transform: rotateX(35deg) rotateY(55deg) rotateZ(360deg) }} </style> </head> <body> <div id="preload"> <div class="cssload-loader"> <div class="cssload-inner cssload-one"></div> <div class="cssload-inner cssload-two"></div> <div class="cssload-inner cssload-three"></div> </div> </div> </body></html> 以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持脚本之家。
