CSS3实现1前端常用Loading效果

此页动画效果都是gif图的，不想用代码写的话，下载图片就可使用。

第1种效果：

代码如下

<div class="loading">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
</div>
.loading{
            width: 80px;
            height: 40px;
            margin: 0 auto;
            margin-top:100px;
        }
        .loading span{
            display: inline-block;
            width: 8px;
            height: 100%;
            border-radius: 4px;
            background: lightgreen;
            -webkit-animation: load 1s ease infinite;
        }
        @-webkit-keyframes load{
            0%,100%{
                height: 40px;
                background: lightgreen;
            }
            50%{
                height: 70px;
                margin: -15px 0;
                background: lightblue;
            }
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.2s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.4s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.6s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.8s;
        }

第2种效果：

代码如下：

 1 <div class="loading">
 2         <span></span>
 3 </div>
 4 
 5 .loading{
 6             width: 150px;
 7             height: 4px;
 8             border-radius: 2px;
 9             margin: 0 auto;
10             margin-top:100px;
11             position: relative;
12             background: lightgreen;
13             -webkit-animation: changeBgColor 1.04s ease-in infinite alternate;
14         }
15         .loading span{
16             display: inline-block;
17             width: 16px;
18             height: 16px;
19             border-radius: 50%;
20             background: lightgreen;
21             position: absolute;
22             margin-top: -7px;
23             margin-left:-8px;
24             -webkit-animation: changePosition 1.04s ease-in infinite alternate;
25         }
26         @-webkit-keyframes changeBgColor{
27             0%{
28                 background: lightgreen;
29             }
30             100%{
31                 background: lightblue;
32             }
33         }
34         @-webkit-keyframes changePosition{
35             0%{
36                 background: lightgreen;
37             }
38             100%{
39                 margin-left: 142px;
40                 background: lightblue;
41             }
42         }

第3-5种效果：

代码如下：

<div class="loading">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
</div>

第3-5种效果的css样式分别为：

.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            margin-top:100px;
        }
        .loading span{
            display: inline-block;
            width: 15px;
            height: 100%;
            margin-right: 5px;
            border-radius: 50%;
            background: lightgreen;
            -webkit-animation: load 1.04s ease infinite;
        }
        .loading span:last-child{
            margin-right: 0px; 
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
            }
            100%{
                opacity: 0;
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }
.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            margin-top:100px;
        }
        .loading span{
            display: inline-block;
            width: 15px;
            height: 100%;
            margin-right: 5px;
            border-radius: 50%;
            background: lightgreen;
            -webkit-animation: load 1.04s ease infinite;
        }
        .loading span:last-child{
            margin-right: 0px; 
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
                -webkit-transform: scale(1.3);
            }
            100%{
                opacity: 0.2;
                -webkit-transform: scale(.3);
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }
.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            position: relative;
            margin-top:100px;
        }
        .loading span{
            position: absolute;
            width: 15px;
            height: 100%;
            border-radius: 50%;
            background: lightgreen;
            -webkit-animation: load 1.04s ease-in infinite alternate;
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
                -webkit-transform: translate(0px);
            }
            100%{
                opacity: 0.2;
                -webkit-transform: translate(150px);
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }

第6-8种效果：

代码如下：

<div class="loading">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
</div>

第6-8种效果的css样式分别为：

.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            margin-top:100px;
            text-align: center;
        }
        .loading span{
            display: inline-block;
            width: 15px;
            height: 100%;
            margin-right: 5px;
            background: lightgreen;
            -webkit-animation: load 1.04s ease infinite;
        }
        .loading span:last-child{
            margin-right: 0px; 
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
            }
            100%{
                opacity: 0;
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }
.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            margin-top:100px;
        }
        .loading span{
            display: inline-block;
            width: 15px;
            height: 100%;
            margin-right: 5px;
            background: lightgreen;
            -webkit-transform-origin: right bottom;
            -webkit-animation: load 1s ease infinite;
        }
        .loading span:last-child{
            margin-right: 0px; 
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
            }
            100%{
                opacity: 0;
                -webkit-transform: rotate(90deg);
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }
.loading{
            width: 150px;
            height: 15px;
            margin: 0 auto;
            margin-top:100px;
        }
        .loading span{
            display: inline-block;
            width: 15px;
            height: 100%;
            margin-right: 5px;
            background: lightgreen;
            -webkit-transform-origin: right bottom;
            -webkit-animation: load 1s ease infinite;
        }
        .loading span:last-child{
            margin-right: 0px; 
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
                -webkit-transform: scale(1);
            }
            100%{
                opacity: 0;
                -webkit-transform: rotate(90deg) scale(.3);
            }
        }
        .loading span:nth-child(1){
            -webkit-animation-delay:0.13s;
        }
        .loading span:nth-child(2){
            -webkit-animation-delay:0.26s;
        }
        .loading span:nth-child(3){
            -webkit-animation-delay:0.39s;
        }
        .loading span:nth-child(4){
            -webkit-animation-delay:0.52s;
        }
        .loading span:nth-child(5){
            -webkit-animation-delay:0.65s;
        }

第9-10种效果：

<div class="loadEffect">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
</div>
.loadEffect{
            width: 100px;
            height: 100px;
            position: relative;
            margin: 0 auto;
            margin-top:100px;
        }
        .loadEffect span{
            display: inline-block;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: lightgreen;
            position: absolute;
            -webkit-animation: load 1.04s ease infinite;
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
            }
            100%{
                opacity: 0.2;
            }
        }
        .loadEffect span:nth-child(1){
            left: 0;
            top: 50%;
            margin-top:-8px;
            -webkit-animation-delay:0.13s;
        }
        .loadEffect span:nth-child(2){
            left: 14px;
            top: 14px;
            -webkit-animation-delay:0.26s;
        }
        .loadEffect span:nth-child(3){
            left: 50%;
            top: 0;
            margin-left: -8px;
            -webkit-animation-delay:0.39s;
        }
        .loadEffect span:nth-child(4){
            top: 14px;
            right:14px;
            -webkit-animation-delay:0.52s;
        }
        .loadEffect span:nth-child(5){
            right: 0;
            top: 50%;
            margin-top:-8px;
            -webkit-animation-delay:0.65s;
        }
        .loadEffect span:nth-child(6){
            right: 14px;
            bottom:14px;
            -webkit-animation-delay:0.78s;
        }
        .loadEffect span:nth-child(7){
            bottom: 0;
            left: 50%;
            margin-left: -8px;
            -webkit-animation-delay:0.91s;
        }
        .loadEffect span:nth-child(8){
            bottom: 14px;
            left: 14px;
            -webkit-animation-delay:1.04s;
        }
.loadEffect{
            width: 100px;
            height: 100px;
            position: relative;
            margin: 0 auto;
            margin-top:100px;
        }
        .loadEffect span{
            display: inline-block;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: lightgreen;
            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;
            }
        }
        .loadEffect span:nth-child(1){
            left: 0;
            top: 50%;
            margin-top:-10px;
            -webkit-animation-delay:0.13s;
        }
        .loadEffect span:nth-child(2){
            left: 14px;
            top: 14px;
            -webkit-animation-delay:0.26s;
        }
        .loadEffect span:nth-child(3){
            left: 50%;
            top: 0;
            margin-left: -10px;
            -webkit-animation-delay:0.39s;
        }
        .loadEffect span:nth-child(4){
            top: 14px;
            right:14px;
            -webkit-animation-delay:0.52s;
        }
        .loadEffect span:nth-child(5){
            right: 0;
            top: 50%;
            margin-top:-10px;
            -webkit-animation-delay:0.65s;
        }
        .loadEffect span:nth-child(6){
            right: 14px;
            bottom:14px;
            -webkit-animation-delay:0.78s;
        }
        .loadEffect span:nth-child(7){
            bottom: 0;
            left: 50%;
            margin-left: -10px;
            -webkit-animation-delay:0.91s;
        }
        .loadEffect span:nth-child(8){
            bottom: 14px;
            left: 14px;
            -webkit-animation-delay:1.04s;
        }

第11种效果：

代码为：

<div class="loading">
        <span></span>
</div>

.loading{
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 0 auto;
            margin-top:100px;
            position: relative;
            border:5px solid lightgreen;
            -webkit-animation: turn 2s linear infinite;
        }
        .loading span{
            display: inline-block;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: lightgreen;
            position: absolute;
            left: 50%;
            margin-top: -15px;
            margin-left: -15px;
            -webkit-animation: changeBgColor 2s linear infinite;
        }
        @-webkit-keyframes changeBgColor{
            0%{
                background: lightgreen;
            }
            100%{
                background: lightblue;
            }
        }
        @-webkit-keyframes turn{
            0%{
                -webkit-transform: rotate(0deg);
                border-color: lightgreen;
            }
            100%{
                -webkit-transform: rotate(360deg);
                border-color: lightblue;
            }
        }

第12种效果：

代码如下：

<div class="loading">
        <span></span>
</div>


.loading{
            width: 150px;
            height: 8px;
            border-radius: 4px;
            margin: 0 auto;
            margin-top:100px;
            position: relative;
            background: lightblue;
            overflow: hidden;
        }
        .loading span{
            display:block;
            width: 100%;
            height: 100%;
            border-radius: 3px;
            background: lightgreen;
            -webkit-animation: changePosition 4s linear infinite;
        }
        @-webkit-keyframes changePosition{
            0%{
                -webkit-transform: translate(-150px);
            }
            50%{
                -webkit-transform: translate(0);
            }
            100%{
                -webkit-transform: translate(150px);
            }
        }

第13种效果：

代码如下：

<div class="loading">
        <span></span>
</div>

.loading{
            width: 200px;
            height: 60px;
            margin: 0 auto;
            margin-top: 100px;
            position: relative;
        }
        .loading span{
            width: 50px;
            height: 30px;
            border-radius: 50%;
            background: lightgreen;
            position: absolute;
            top: 50%;
            margin-top: -15px;
            overflow: hidden;
            -webkit-animation: changePosition 2.08s linear infinite;
        }
        @-webkit-keyframes changePosition{
            0%,100%{
                -webkit-transform: translate(70px);
            }
            20%{
                width: 50px;
                height: 30px;
                margin-top:-15px;
                -webkit-transform: translate(0px);
            }
            30%{
                width: 20px;
                height: 60px;
                margin-top:-30px;
                -webkit-transform: translate(0px);
            }
            35%{
                width: 50px;
                height: 30px;
                margin-top:-15px;
                -webkit-transform: translate(5px);
                background: lightblue;
            }
            70%{
                width: 50px;
                height: 30px;
                margin-top:-15px;
                -webkit-transform: translate(160px);
            }
            80%{
                width: 20px;
                height: 60px;
                margin-top:-30px;
                -webkit-transform: translate(160px);
            }
            85%{
                width: 50px;
                height: 30px;
                margin-top:-15px;
                -webkit-transform: translate(155px);
                background: lightgreen;
            }

        }

第14种效果：

<div class="loadEffect">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        <span></span>
</div>

.loadEffect{
            width: 100px;
            height: 100px;
            position: relative;
            margin: 0 auto;
            margin-top:100px;
        }
        .loadEffect span{
            display: inline-block;
            width: 30px;
            height: 10px;
            border-top-left-radius: 5px;
            border-bottom-left-radius: 5px;
            background: lightgreen;
            position: absolute;
            -webkit-animation: load 1.04s ease infinite;
        }
        @-webkit-keyframes load{
            0%{
                opacity: 1;
            }
            100%{
                opacity: 0.2;
            }
        }
        .loadEffect span:nth-child(1){
            left: 0;
            top: 50%;
            margin-top:-5px;
            -webkit-animation-delay:0.13s;
        }
        .loadEffect span:nth-child(2){
            left: 10px;
            top: 20px;
            -webkit-transform: rotate(45deg);
            -webkit-animation-delay:0.26s;
        }
        .loadEffect span:nth-child(3){
            left: 50%;
            top: 10px;
            margin-left: -15px;
            -webkit-transform: rotate(90deg);
            -webkit-animation-delay:0.39s;
        }
        .loadEffect span:nth-child(4){
            top: 20px;
            right:10px;
            -webkit-transform: rotate(135deg);
            -webkit-animation-delay:0.52s;
        }
        .loadEffect span:nth-child(5){
            right: 0;
            top: 50%;
            margin-top:-5px;
            -webkit-transform: rotate(180deg);
            -webkit-animation-delay:0.65s;
        }
        .loadEffect span:nth-child(6){
            right: 10px;
            bottom:20px;
            -webkit-transform: rotate(225deg);
            -webkit-animation-delay:0.78s;
        }
        .loadEffect span:nth-child(7){
            bottom: 10px;
            left: 50%;
            margin-left: -15px;
            -webkit-transform: rotate(270deg);
            -webkit-animation-delay:0.91s;
        }
        .loadEffect span:nth-child(8){
            bottom: 20px;
            left: 10px;
            -webkit-transform: rotate(315deg);
            -webkit-animation-delay:1.04s;
        }

第15种效果：

<div class="loadEffect">
        <div><span></span></div>
        <div><span></span></div>
        <div><span></span></div>
        <div><span></span></div>
</div>

.loadEffect {
            width: 100px;
            height: 100px;
            margin: 0 auto;
            margin-top:100px;
            position: relative;
        }
        .loadEffect div{
            width: 100%;
            height: 100%;
            position: absolute;
            -webkit-animation: load 2.08s linear infinite;
        }
        .loadEffect div span{
            display: inline-block;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: lightgreen;
            position: absolute;
            left: 50%;
            margin-top: -10px;
            margin-left: -10px;
        }
        @-webkit-keyframes load{
            0%{
                -webkit-transform: rotate(0deg);
            }
            10%{
                -webkit-transform: rotate(45deg);
            }
            50%{
                opacity: 1;
                -webkit-transform: rotate(160deg);
            }
            62%{
                opacity: 0;
            }
            65%{
                opacity: 0;
                -webkit-transform: rotate(200deg);
            }
            90%{
                -webkit-transform: rotate(340deg);
            }
            100%{
                -webkit-transform: rotate(360deg);
            }

        }
        .loadEffect div:nth-child(1){
            -webkit-animation-delay:0.2s;
        }
        .loadEffect div:nth-child(2){
            -webkit-animation-delay:0.4s;
        }
        .loadEffect div:nth-child(3){
            -webkit-animation-delay:0.6s;
        }
        .loadEffect div:nth-child(4){
            -webkit-animation-delay:0.8s;
        }

第16种效果：

<div class="loading">
        <div><span></span></div>
        <div><span></span></div>
        <div><span></span></div>
</div>

.loading{
            width: 60px;
            height: 60px;
            margin: 0 auto;
            margin-top:100px;
            position: relative;
            -webkit-animation: load 3s linear infinite;
        }
        .loading div{
            width: 100%;
            height: 100%;
            position: absolute;
        }
        .loading span{
            display: inline-block;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #99CC66;
            position: absolute;
            left: 50%;
            margin-top: -10px;
            margin-left: -10px;
            -webkit-animation: changeBgColor 3s ease infinite;
        }
        @-webkit-keyframes load{
            0%{
                -webkit-transform: rotate(0deg);
            }
            33.3%{
                -webkit-transform: rotate(120deg);
            }
            66.6%{
                -webkit-transform: rotate(240deg);
            }
            100%{
                -webkit-transform: rotate(360deg);
            }
        }
        @-webkit-keyframes changeBgColor{
            0%,100%{
                background: #99CC66;
            }
            33.3%{
                background: #FFFF66;
            }
            66.6%{
                background: #FF6666;
            }
        }
        .loading div:nth-child(2){
            -webkit-transform: rotate(120deg);
        }
        .loading div:nth-child(3){
            -webkit-transform: rotate(240deg);
        }
        .loading div:nth-child(2) span{
            -webkit-animation-delay: 1s;
        }
        .loading div:nth-child(3) span{
            -webkit-animation-delay: 2s;
        }
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原文地址：https://www.cnblogs.com/haonanZhang/p/6519942.html