Vue 两种首页加载等待动画，避免首次加载白屏时间过长
先看效果
第一种
第二种
代码如下
注意：代码需要在index.html 中书写
第一种效果代码
// index.html
<!DOCTYPE html>
<html lang="en">
<head>
<style type="text/css">
html,
body,
#app {
height: 100%;
margin: 0px;
padding: 0px;
}
.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: #7171C6;
/* 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;
}
</style>
</head>
<body>
<noscript>
<strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without
Please enable it to continue.</strong>
</noscript>
<div id="app">
//在 里面加入下列代码
<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">正在加载系统,请耐心等待
<br>
<span>V1.3</span>
</div>
</div>
</div>
</body>
</html>
第二种效果代码
// index.html
<!DOCTYPE html>
<html lang="en">
<head>
<style type="text/css">
.first-loading-wrp {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
height: 90vh;
min-height: 90vh;
}
.first-loading-wrp>h1 {
font-size: 30px;
font-weight: bolder;
}
.first-loading-wrp .loading-wrp {
display: flex;
align-items: center;
justify-content: center;
padding: 98px;
}
.dot {
position: relative;
box-sizing: border-box;
display: inline-block;
width: 64px;
height: 64px;
font-size: 64px;
transform: rotate(45deg);
animation: antRotate 1.2s infinite linear;
}
.dot i {
position: absolute;
display: block;
width: 28px;
height: 28px;
background-color: #1890ff;
border-radius: 100%;
opacity: 0.3;
transform: scale(0.75);
transform-origin: 50% 50%;
animation: antSpinMove 1s infinite linear alternate;
}
.dot i:nth-child(1) {
top: 0;
left: 0;
}
.dot i:nth-child(2) {
top: 0;
right: 0;
-webkit-animation-delay: 0.4s;
animation-delay: 0.4s;
}
.dot i:nth-child(3) {
right: 0;
bottom: 0;
-webkit-animation-delay: 0.8s;
animation-delay: 0.8s;
}
.dot i:nth-child(4) {
bottom: 0;
left: 0;
-webkit-animation-delay: 1.2s;
animation-delay: 1.2s;
}
@keyframes antRotate {
to {
-webkit-transform: rotate(405deg);
transform: rotate(405deg);
}
}
@-webkit-keyframes antRotate {
to {
-webkit-transform: rotate(405deg);
transform: rotate(405deg);
}
}
@keyframes antSpinMove {
to {
opacity: 1;
}
}
@-webkit-keyframes antSpinMove {
to {
opacity: 1;
}
}
</style>
</head>
<body>
<noscript>
<strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled.
Please enable it to continue.</strong>
</noscript>
<div id="app">
//在 里面加入下列代码
<div class="first-loading-wrp">
<div class="loading-wrp">
<span class="dot dot-spin">
<i></i>
<i></i>
<i></i>
<i></i>
</span>
</div>
<h2>努力加载中...</h2>
</div>
</body>
</html>