【求解】CSS3动画loading加载
2017-12-20 10:31
369 查看
公司有个项目，里面有个加载动画。本来是这样的。
小绿圆转圈圈，可以想象到吧。
原理挺简单的。小圆是span，放好位置，安置好时间动画就可以。
我见这个挺有意思，改了一下。
小星星和桃心是fontawesome。就是遇到个问题，桃心动画的中心一直在左上角。不知道怎么破，求教。
源代码附上：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>loading</title>
<link rel="stylesheet" href="https://cdn.bootcss.com/font-awesome/4.7.0/css/font-awesome.css">
<style>
* {
margin: 0 auto;
background-color: rgb(38, 47, 56);
}
.loading {
position: absolute;
width: 100%;
height: 100%;
}
.loading-effect {
width: 400px;
height: 400px;
position: relative;
margin: 190px auto;
}
.loading-info {
font-size: 2em;
text-align: center;
}
.loading-effect span {
display: inline-block;
width: 20px;
height: 20px;
color: beige;
text-align: center;
line-height: 20px;
position: absolute;
-webkit-animation: load 1.04s ease infinite;
}
@-webkit-keyframes load {
0% {
-webkit-transform: scale(1.2);
opacity: 1;
}
100% {
-webkit-transform: scale(.3);
opacity: 0.5;
}
}
.loading-effect span:nth-child(1) {
left: 0;
top: 50%;
margin-top: -10px;
-webkit-animation-delay: 0.13s;
}
.loading-effect span:nth-child(2) {
left: 50.7px;
top: 50.7px;
-webkit-animation-delay: 0.26s;
}
.loading-effect span:nth-child(3) {
left: 50%;
top: 0;
margin-left: -10px;
-webkit-animation-delay: 0.39s;
}
.loading-effect span:nth-child(4) {
top: 50.7px;
right: 50.7px;
-webkit-animation-delay: 0.52s;
}
.loading-effect span:nth-child(5) {
right: 0;
top: 50%;
margin-top: -10px;
-webkit-animation-delay: 0.65s;
}
.loading-effect span:nth-child(6) {
right: 50.7px;
bottom: 50.7px;
-webkit-animation-delay: 0.78s;
}
.loading-effect span:nth-child(7) {
bottom: 0;
left: 50%;
margin-left: -10px;
-webkit-animation-delay: 0.91s;
}
.loading-effect span:nth-child(8) {
bottom: 50.7px;
left: 50.7px;
-webkit-animation-delay: 1.04s;
}
.loading-effect .loading-content {
color: red;
/* position: absolute; */
left:50%;
top:50%;
font-size: 25em;
}
/*********查询*********/
@media screen and (max-width: 414px) {
* {
margin: 0 auto;
background-color: rgb(38, 47, 56);
}
.loading {
position: absolute;
width: 100%;
height: 100%;
}
.loading-effect {
width: 150px;
height: 150px;
position: relative;
margin: 100px auto;
}
.loading-info {
font-size: 2em;
text-align: center;
}
.loading-effect span {
display: inline-block;
width: 20px;
height: 20px;
color: beige;
text-align: center;
line-height: 20px;
position: absolute;
-webkit-animation: load 1.04s ease infinite;
}
@-webkit-keyframes load {
0% {
-webkit-transform: scale(1.2);
opacity: 1;
}
100% {
-webkit-transform: scale(.3);
opacity: 0.5;
}
}
.loading-effect span:nth-child(1) {
left: 0;
top: 50%;
margin-top: -10px;
-webkit-animation-delay: 0.13s;
}
.loading-effect span:nth-child(2) {
left: 19px;
top: 19px;
-webkit-animation-delay: 0.26s;
}
.loading-effect span:nth-child(3) {
left: 50%;
top: 0;
margin-left: -10px;
-webkit-animation-delay: 0.39s;
}
.loading-effect span:nth-child(4) {
top: 19px;
right: 19px;
-webkit-animation-delay: 0.52s;
}
.loading-effect span:nth-child(5) {
right: 0;
top: 50%;
margin-top: -10px;
-webkit-animation-delay: 0.65s;
}
.loading-effect span:nth-child(6) {
right: 19px;
bottom: 19px;
-webkit-animation-delay: 0.78s;
}
.loading-effect span:nth-child(7) {
bottom: 0;
left: 50%;
margin-left: -10px;
-webkit-animation-delay: 0.91s;
}
.loading-effect span:nth-child(8) {
bottom: 19px;
left: 19px;
-webkit-animation-delay: 1.04s;
}
.loading-effect .loading-content {
position: relative;
top: 50%;
left: 50%;
font-size: 10em;
color: red;
}
}
</style>
</head>
<body>
<div class="loading">
<div class="loading-effect">
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span class="loading-conte
4000
nt">
<i class="fa fa-heartbeat" aria-hidden="true"></i>
</span>
</div>
<div class="loading-info">
</div>
</div>
</body>
</html>
小绿圆转圈圈，可以想象到吧。
原理挺简单的。小圆是span，放好位置，安置好时间动画就可以。
我见这个挺有意思，改了一下。
小星星和桃心是fontawesome。就是遇到个问题，桃心动画的中心一直在左上角。不知道怎么破，求教。
源代码附上：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>loading</title>
<link rel="stylesheet" href="https://cdn.bootcss.com/font-awesome/4.7.0/css/font-awesome.css">
<style>
* {
margin: 0 auto;
background-color: rgb(38, 47, 56);
}
.loading {
position: absolute;
width: 100%;
height: 100%;
}
.loading-effect {
width: 400px;
height: 400px;
position: relative;
margin: 190px auto;
}
.loading-info {
font-size: 2em;
text-align: center;
}
.loading-effect span {
display: inline-block;
width: 20px;
height: 20px;
color: beige;
text-align: center;
line-height: 20px;
position: absolute;
-webkit-animation: load 1.04s ease infinite;
}
@-webkit-keyframes load {
0% {
-webkit-transform: scale(1.2);
opacity: 1;
}
100% {
-webkit-transform: scale(.3);
opacity: 0.5;
}
}
.loading-effect span:nth-child(1) {
left: 0;
top: 50%;
margin-top: -10px;
-webkit-animation-delay: 0.13s;
}
.loading-effect span:nth-child(2) {
left: 50.7px;
top: 50.7px;
-webkit-animation-delay: 0.26s;
}
.loading-effect span:nth-child(3) {
left: 50%;
top: 0;
margin-left: -10px;
-webkit-animation-delay: 0.39s;
}
.loading-effect span:nth-child(4) {
top: 50.7px;
right: 50.7px;
-webkit-animation-delay: 0.52s;
}
.loading-effect span:nth-child(5) {
right: 0;
top: 50%;
margin-top: -10px;
-webkit-animation-delay: 0.65s;
}
.loading-effect span:nth-child(6) {
right: 50.7px;
bottom: 50.7px;
-webkit-animation-delay: 0.78s;
}
.loading-effect span:nth-child(7) {
bottom: 0;
left: 50%;
margin-left: -10px;
-webkit-animation-delay: 0.91s;
}
.loading-effect span:nth-child(8) {
bottom: 50.7px;
left: 50.7px;
-webkit-animation-delay: 1.04s;
}
.loading-effect .loading-content {
color: red;
/* position: absolute; */
left:50%;
top:50%;
font-size: 25em;
}
/*********查询*********/
@media screen and (max-width: 414px) {
* {
margin: 0 auto;
background-color: rgb(38, 47, 56);
}
.loading {
position: absolute;
width: 100%;
height: 100%;
}
.loading-effect {
width: 150px;
height: 150px;
position: relative;
margin: 100px auto;
}
.loading-info {
font-size: 2em;
text-align: center;
}
.loading-effect span {
display: inline-block;
width: 20px;
height: 20px;
color: beige;
text-align: center;
line-height: 20px;
position: absolute;
-webkit-animation: load 1.04s ease infinite;
}
@-webkit-keyframes load {
0% {
-webkit-transform: scale(1.2);
opacity: 1;
}
100% {
-webkit-transform: scale(.3);
opacity: 0.5;
}
}
.loading-effect span:nth-child(1) {
left: 0;
top: 50%;
margin-top: -10px;
-webkit-animation-delay: 0.13s;
}
.loading-effect span:nth-child(2) {
left: 19px;
top: 19px;
-webkit-animation-delay: 0.26s;
}
.loading-effect span:nth-child(3) {
left: 50%;
top: 0;
margin-left: -10px;
-webkit-animation-delay: 0.39s;
}
.loading-effect span:nth-child(4) {
top: 19px;
right: 19px;
-webkit-animation-delay: 0.52s;
}
.loading-effect span:nth-child(5) {
right: 0;
top: 50%;
margin-top: -10px;
-webkit-animation-delay: 0.65s;
}
.loading-effect span:nth-child(6) {
right: 19px;
bottom: 19px;
-webkit-animation-delay: 0.78s;
}
.loading-effect span:nth-child(7) {
bottom: 0;
left: 50%;
margin-left: -10px;
-webkit-animation-delay: 0.91s;
}
.loading-effect span:nth-child(8) {
bottom: 19px;
left: 19px;
-webkit-animation-delay: 1.04s;
}
.loading-effect .loading-content {
position: relative;
top: 50%;
left: 50%;
font-size: 10em;
color: red;
}
}
</style>
</head>
<body>
<div class="loading">
<div class="loading-effect">
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span>
<i class="fa fa-star-o" aria-hidden="true"></i>
</span>
<span class="loading-conte
4000
nt">
<i class="fa fa-heartbeat" aria-hidden="true"></i>
</span>
</div>
<div class="loading-info">
</div>
</div>
</body>
</html>
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