我们是不是看到有一些网站在进入网站和页面的时候有一个加载动画,这个效果是如何加上去的呢?当然有些主题是自带的加载效果,我们也可以通过插件完成这个功能。
1、CSS代码
.chromeframe { margin: 0.2em 0; background: #ccc; color: #000; padding: 0.2em 0;} #loader-wrapper { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index:999999;} #loader { display: block; position: relative; left: 50%; top: 50%; width: 150px; height: 150px; margin: -75px 0 0 -75px; border-radius: 50%; border: 3px solid transparent; /* COLOR 1 */ border-top-color: #FFF; -webkit-animation: spin 2s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ -ms-animation: spin 2s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ -moz-animation: spin 2s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ -o-animation: spin 2s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ animation: spin 2s linear infinite; /* Chrome, Firefox 16+, IE 10+, Opera */ z-index:1001;} #loader:before { content: ""; position: absolute; top: 5px; left: 5px; right: 5px; bottom: 5px; border-radius: 50%; border: 3px solid transparent; /* COLOR 2 */ border-top-color: #FFF; -webkit-animation: spin 3s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ -moz-animation: spin 3s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ -o-animation: spin 3s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ -ms-animation: spin 3s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ animation: spin 3s linear infinite; /* Chrome, Firefox 16+, IE 10+, Opera */} #loader:after { content: ""; position: absolute; top: 15px; left: 15px; right: 15px; bottom: 15px; border-radius: 50%; border: 3px solid transparent; border-top-color: #FFF; /* COLOR 3 */ -moz-animation: spin 1.5s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ -o-animation: spin 1.5s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ -ms-animation: spin 1.5s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ -webkit-animation: spin 1.5s linear infinite; /* Chrome, Opera 15+, Safari 5+ */ animation: spin 1.5s linear infinite; /* Chrome, Firefox 16+, IE 10+, Opera */} @-webkit-keyframes spin { 0%{ -webkit-transform: rotate(0deg); /* Chrome, Opera 15+, Safari 3.1+ */ -ms-transform: rotate(0deg); /* IE 9 */ transform: rotate(0deg); /* Firefox 16+, IE 10+, Opera */ }100%{ -webkit-transform: rotate(360deg); /* Chrome, Opera 15+, Safari 3.1+ */ -ms-transform: rotate(360deg); /* IE 9 */ transform: rotate(360deg); /* Firefox 16+, IE 10+, Opera */} } @keyframes spin { 0%{ -webkit-transform: rotate(0deg); /* Chrome, Opera 15+, Safari 3.1+ */ -ms-transform: rotate(0deg); /* IE 9 */ transform: rotate(0deg); /* Firefox 16+, IE 10+, Opera */ }100%{ -webkit-transform: rotate(360deg); /* Chrome, Opera 15+, Safari 3.1+ */ -ms-transform: rotate(360deg); /* IE 9 */ transform: rotate(360deg); /* Firefox 16+, IE 10+, Opera */} } #loader-wrapper .loader-section { position: fixed; top: 0; width: 51%; height: 100%; background: #23282d; /* Old browsers */ z-index: 1000; -webkit-transform: translateX(0); /* Chrome, Opera 15+, Safari 3.1+ */ -ms-transform: translateX(0); /* IE 9 */ transform: translateX(0); /* Firefox 16+, IE 10+, Opera */} #loader-wrapper .loader-section.section-left {left: 0;} #loader-wrapper .loader-section.section-right {right: 0;} /* Loaded */ .loaded #loader-wrapper .loader-section.section-left { -webkit-transform: translateX(-100%); /* Chrome, Opera 15+, Safari 3.1+ */ -ms-transform: translateX(-100%); /* IE 9 */ transform: translateX(-100%); /* Firefox 16+, IE 10+, Opera */ -webkit-transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000); transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000);} .loaded #loader-wrapper .loader-section.section-right { -webkit-transform: translateX(100%); /* Chrome, Opera 15+, Safari 3.1+ */ -ms-transform: translateX(100%); /* IE 9 */ transform: translateX(100%); /* Firefox 16+, IE 10+, Opera */ -webkit-transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000); transition: all 0.7s 0.3s cubic-bezier(0.645, 0.045, 0.355, 1.000);} .loaded #loader { opacity: 0; -webkit-transition: all 0.3s ease-out; transition: all 0.3s ease-out;} .loaded #loader-wrapper { visibility: hidden; -webkit-transform: translateY(-100%); /* Chrome, Opera 15+, Safari 3.1+ */ -ms-transform: translateY(-100%); /* IE 9 */ transform: translateY(-100%); /* Firefox 16+, IE 10+, Opera */ -webkit-transition: all 0.3s 1s ease-out; transition: all 0.3s 1s ease-out;} /* JavaScript Turned Off */ .no-js #loader-wrapper {display: none;} .no-js h1 {color: #222222;} #loader-wrapper .load_title { font-family:'Open Sans'; color:#FFF; font-size:19px; width:100%; text-align:center; z-index:9999999999999; position:absolute; top:60%; opacity:1; line-height:30px; } #loader-wrapper .load_title span { font-weight:normal; font-style:italic; font-size:13px; color:#FFF; opacity:0.5;}
控制动画效果主要在于CSS,这里就要将CSS添加到站点CSS文件中。也可以自己添加一个单独文件loader.css。
2、功能
<!--页面加载start--> <link rel="stylesheet" type="text/css" href="/loader.css"> <script type="text/javascript"> // 等待所有加载 $(window).load(function(){ $('body').addClass('loaded'); $('#loader-wrapper .load_title').remove(); }); </script> <div id="loader-wrapper"> <div id="loader"></div> <div class="loader-section section-left"></div> <div class="loader-section section-right"></div> <div class="load_title">第一行文字<br> <span>第二行文字</span> </div> </div> <!--页面加载end-->
引用功能,这里需要修改CSS的路径。
如果我们想要只在主页显示加载动画,请在<body>下添加以下内容。
<?php if (is_home()) { ?> <!--页面加载start--> <link rel="stylesheet" type="text/css" href="/loader.css"> <script type="text/javascript"> // 等待所有加载 $(window).load(function(){ $('body').addClass('loaded'); $('#loader-wrapper .load_title').remove(); }); </script> <div id="loader-wrapper"> <div id="loader"></div> <div class="loader-section section-left"></div> <div class="loader-section section-right"></div> <div class="load_title">第一行文字<br> <span>第二行文字</span> </div> </div> <!--页面加载end--> <?php } ?>
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