css3的出现让我们可以用css画一些简单的动画,之前加载中这样的效果需要设计帮我们出图,而现在我们可以通过css代码来实现加载动画,这我们可以不用完全依靠设计了。
1.

代码如下
<div class="loading"></div>
<style>
.loading {
width: 50px;
height: 50px;
border: 5px solid #eee;
border-left-color: #e27a61;
border-radius: 50%;
animation: loading-animate 1s linear infinite;
}
@keyframes loading-animate {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
</style>
2.

代码
<div class="loading">
<span><i></i></span>
<span><i></i></span>
<span><i></i></span>
<span><i></i></span>
<span><i></i></span>
<span><i></i></span>
<span><i></i></span>
<span><i></i></span>
<span><i></i></span>
<span><i></i></span>
<span><i></i></span>
<span><i></i></span>
</div>
<style>
.loading {
position: relative;
width: 50px;
height: 50px;
animation: loading-animate 2s linear infinite;
}
.loading span {
position: absolute;
display: block;
width: 50px;
height: 3px;
border-radius: 3px;
top: 0;
left: 0;
right: 0;
bottom: 0;
margin: auto;
}
.loading span i {
display: block;
background-color: #e27a61;
border-radius: 3px;
width: 12px;
height: 3px;
margin-right: 0;
}
.loading span:nth-child(2) {
transform: rotate(30deg);
}
.loading span:nth-child(3) {
transform: rotate(60deg);
}
.loading span:nth-child(4) {
transform: rotate(90deg);
}
.loading span:nth-child(5) {
transform: rotate(120deg);
}
.loading span:nth-child(6) {
transform: rotate(150deg);
}
.loading span:nth-child(7) {
transform: rotate(180deg);
}
.loading span:nth-child(8) {
transform: rotate(210deg);
}
.loading span:nth-child(9) {
transform: rotate(240deg);
}
.loading span:nth-child(10) {
transform: rotate(270deg);
}
.loading span:nth-child(11) {
transform: rotate(300deg);
}
.loading span:nth-child(12) {
transform: rotate(330deg);
}
@keyframes loading-animate {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
</style>