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CSS3动画实现loading加载图标_html/css_WEB-ITnose

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Jun 24, 2016 am 11:39 AM

CSS3动画实现loading加载图标，并利用JavaScript封装成插件，方便以后调用。

index.html

<!DOCTYPE html><html lang="zh-cn"><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>Spinner</title>    <link rel="stylesheet" href="./css/main.css"></head><body>    <script src="./js/spinner.js"></script>    <script> window.onload = function(){ spinner.show(); } </script></body></html>

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spinner.js

(function(exports){ var document = exports.document, mask = createDivWithClassName('spinner-mask'), box = createDivWithClassName('spinner-box'), spinner = createDivWithClassName('spinner'), spinner_container_1 = createDivWithClassName('spinner-container'), spinner_container_2, spinner_container_3, circle_1 = createDivWithClassName('circle1'), circle_2 = createDivWithClassName('circle2'), circle_3 = createDivWithClassName('circle3'), circle_4 = createDivWithClassName('circle4'); spinner_container_1.appendChild(circle_1); spinner_container_1.appendChild(circle_2); spinner_container_1.appendChild(circle_3); spinner_container_1.appendChild(circle_4); spinner_container_2 = spinner_container_1.cloneNode(true); spinner_container_3 = spinner_container_1.cloneNode(true); spinner_container_1.className += ' container1'; spinner_container_2.className += ' container2'; spinner_container_3.className += ' container3'; spinner.appendChild(spinner_container_1); spinner.appendChild(spinner_container_2); spinner.appendChild(spinner_container_3); box.appendChild(spinner); document.body.appendChild(mask); document.body.appendChild(box);  var self = Object.create(null); self.show = function(){ mask.style.display = box.style.display = 'block'; }; self.hide = function(){ mask.style.display = box.style.display = 'none'; }; Object.seal(self); Object.freeze(self); Object.preventExtensions(self); exports.spinner = self; function createDivWithClassName(classname){ var div = document.createElement('div'); div.setAttribute('class', classname); return div; } })(window);

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main.css

html, body{ width: 100%; height: 100%; margin: 0; padding: 0; overflow-x: hidden; overflow-y: auto; }.spinner-mask{ width: 100%; height: 100%; position: fixed; left: 0; top: 0; background-color: transparent; display: none; }.spinner-box{ width: 60px; height: 60px; position: fixed; top: 50%; left: 0; right: 0; margin: 0 auto; background-color: #666; border-radius: 4px; -webkit-transform: translateY(-50%); transform: translateY(-50%); display: none; }.spinner{ width: 20px; height: 20px; position: absolute; top: 50%; left: 0; right: 0; margin: 0 auto; -webkit-transform: translateY(-50%); transform: translateY(-50%); }.container1>div, .container2>div, .container3>div{ width: 6px; height: 6px; background-color: #eee; border-radius: 50%; position: absolute; -webkit-animation: bouncedelay 1.2s infinite ease-in-out; animation: bouncedelay 1.2s infinite ease-in-out; -webkit-animation-fill-mode: both; animation-fill-mode: both; }.spinner .spinner-container{ width: 100%; height: 100%; position: absolute; }.container2{ -webkit-transform: rotateZ(45deg); transform: rotateZ(45deg); }.container3{ -webkit-transform: rotateZ(90deg); transform: rotateZ(90deg); }.circle1{ left: 0; top: 0; }.circle2{ right: 0; top: 0; }.circle3{ right: 0; bottom: 0; }.circle4{ left: 0; bottom: 0; }.container1 .circle1{ -webkit-animation-delay: -1.2s; animation-delay: -1.2s; }.container2 .circle1{ -webkit-animation-delay: -1.1s; animation-delay: -1.1s; }.container3 .circle1{ -webkit-animation-delay: -1.0s; animation-delay: -1.0s; }.container1 .circle2{ -webkit-animation-delay: -0.9s; animation-delay: -0.9s; }.container2 .circle2{ -webkit-animation-delay: -0.8s; animation-delay: -0.8s; }.container3 .circle2{ -webkit-animation-delay: -0.7s; animation-delay: -0.7s; }.container1 .circle3{ -webkit-animation-delay: -0.6s; animation-delay: -0.6s; }.container2 .circle3{ -webkit-animation-delay: -0.5s; animation-delay: -0.5s; }.container3 .circle3{ -webkit-animation-delay: -0.4s; animation-delay: -0.4s; }.container1 .circle4{ -webkit-animation-delay: -0.3s; animation-delay: -0.3s; }.container2 .circle4{ -webkit-animation-delay: -0.2s; animation-delay: -0.2s; }.container3 .circle4{ -webkit-animation-delay: -0.1s; animation-delay: -0.1s; }@-webkit-keyframes bouncedelay{    0%, 100%{ -webkit-transform: scale(0); transform: scale(0); }    50%{ -webkit-transform: scale(1); transform: scale(1); }}@keyframes bouncedelay{    0%, 100%{ -webkit-transform: scale(0); transform: scale(0); }    50%{ -webkit-transform: scale(1); transform: scale(1); }}

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