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CSS3进度条动画

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>CSS3进度条动画</title>
<script type="text/javascript" src="http://files.cnblogs.com/files/heyiming/jquery-2.1.4.min.js"></script>
<style>

  1  * {
  2             box-sizing: border-box;
  3         }
  4         html {
  5             height: 100%;
  6         }
  7         body {
  8             background: #efeeea;
  9             background: linear-gradient(#f9f9f9, #cecbc4);
 10             background: -moz-linear-gradient(#f9f9f9, #cecbc4);
 11             background: -webkit-linear-gradient(#f9f9f9, #cecbc4);
 12             background: -o-linear-gradient(#f9f9f9, #cecbc4);
 13             color: #757575;
 14             font-family: "HelveticaNeue-Light", "Helvetica Neue Light", "Helvetica Neue", Helvetica, Arial, "Lucida Grande", sans-serif;
 15             text-align: center;
 16         }
 17         h1, p {
 18             padding:0; margin:0;
 19         }
 20         .wrapper {
 21             width: 350px;
 22             margin: 200px auto;
 23         }
 24         .wrapper p a {color:#757575; text-decoration:none;}
 25         .wrapper .load-bar {
 26             width: 100%;
 27             height: 25px;
 28             border-radius: 30px;
 29             background: #dcdbd7;
 30             position: relative;
 31             box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8),  inset 0 2px 3px rgba(0, 0, 0, 0.2);
 32         }
 33         .wrapper .load-bar:hover .load-bar-inner, .wrapper .load-bar:hover #counter {
 34             animation-play-state: paused;
 35             -moz-animation-play-state: paused;
 36             -o-animation-play-state: paused;
 37             -webkit-animation-play-state: paused;
 38         }
 39         .wrapper .load-bar-inner {
 40             height: 99%;
 41             width: 0%;
 42             border-radius: inherit;
 43             position: relative;
 44             background: #c2d7ac;
 45             background: linear-gradient(#e0f6c8, #98ad84);
 46             background: -moz-linear-gradient(#e0f6c8, #98ad84);
 47             background: -webkit-linear-gradient(#e0f6c8, #98ad84);
 48             background: -o-linear-gradient(#e0f6c8, #98ad84);
 49             box-shadow: inset 0 1px 0 rgba(255, 255, 255, 1),  0 1px 5px rgba(0, 0, 0, 0.3),  0 4px 5px rgba(0, 0, 0, 0.3);
 50             animation: loader 10s linear infinite;
 51             -moz-animation: loader 10s linear infinite;
 52             -webkit-animation: loader 10s linear infinite;
 53             -o-animation: loader 10s linear infinite;
 54         }
 55         .wrapper #counter {
 56             position: absolute;
 57             background: #eeeff3;
 58             background: linear-gradient(#eeeff3, #cbcbd3);
 59             background: -moz-linear-gradient(#eeeff3, #cbcbd3);
 60             background: -webkit-linear-gradient(#eeeff3, #cbcbd3);
 61             background: -o-linear-gradient(#eeeff3, #cbcbd3);
 62             padding: 5px 10px;
 63             border-radius: 0.4em;
 64             box-shadow: inset 0 1px 0 rgba(255, 255, 255, 1),  0 2px 4px 1px rgba(0, 0, 0, 0.2),  0 1px 3px 1px rgba(0, 0, 0, 0.1);
 65             left: -25px;
 66             top: -50px;
 67             font-size: 12px;
 68             font-weight: bold;
 69             width: 44px;
 70             animation: counter 10s linear infinite;
 71             -moz-animation: counter 10s linear infinite;
 72             -webkit-animation: counter 10s linear infinite;
 73             -o-animation: counter 10s linear infinite;
 74         }
 75         .wrapper #counter:after {
 76             content: "";
 77             position: absolute;
 78             width: 8px;
 79             height: 8px;
 80             background: #cbcbd3;
 81             transform: rotate(45deg);
 82             -moz-transform: rotate(45deg);
 83             -webkit-transform: rotate(45deg);
 84             -o-transform: rotate(45deg);
 85             left: 50%;
 86             margin-left: -4px;
 87             bottom: -4px;
 88             box-shadow:  3px 3px 4px rgba(0, 0, 0, 0.2),  1px 1px 1px 1px rgba(0, 0, 0, 0.1);
 89             border-radius: 0 0 3px 0;
 90         }
 91         .wrapper h1 {
 92             font-size: 28px;
 93             padding: 20px 0 8px 0;
 94         }
 95         .wrapper p {
 96             font-size: 13px;
 97         }
 98         @keyframes loader {
 99             from {
100                 width: 0%;
101             }
102             to {
103                 width: 100%;
104             }
105         }
106         @-moz-keyframes loader {
107             from {
108                 width: 0%;
109             }
110             to {
111                 width: 100%;
112             }
113         }
114         @-webkit-keyframes loader {
115             from {
116                 width: 0%;
117             }
118             to {
119                 width: 100%;
120             }
121         }
122         @-o-keyframes loader {
123             from {
124                 width: 0%;
125             }
126             to {
127                 width: 100%;
128             }
129         }
130 
131         @keyframes counter {
132             from {
133                 left: -25px;
134             }
135             to {
136                 left: 323px;
137             }
138         }
139         @-moz-keyframes counter {
140             from {
141                 left: -25px;
142             }
143             to {
144                 left: 323px;
145             }
146         }
147         @-webkit-keyframes counter {
148             from {
149                 left: -25px;
150             }
151             to {
152                 left: 323px;
153             }
154         }
155         @-o-keyframes counter {
156             from {
157                 left: -25px;
158             }
159             to {
160                 left: 323px;
161             }
162         }
163         @keyframes loader {
164             from {
165                 width: 0%;
166             }
167             to {
168                 width: 100%;
169             }
170         }
171         .load-bar-inner {
172             height: 99%;
173             width: 0%;
174             border-radius: inherit;
175             position: relative;
176             background: #c2d7ac;
177             background: linear-gradient(#e0f6c8, #98ad84);
178             box-shadow: inset 0 1px 0 rgba(255, 255, 255, 1),  0 1px 5px rgba(0, 0, 0, 0.3),  0 4px 5px rgba(0, 0, 0, 0.3);
179             animation: loader 10s linear infinite;
180         }

/*css代码*/

</style>
</head>
<body>
<div class="wrapper">
    <div class="load-bar">   
        <div class="load-bar-inner" data-loading="0"> <span id="counter"></span> </div> 
    </div>
</div>
<script type="text/javascript">
$(function(){
  var interval = setInterval(increment,100);
  var current = 0;
  function increment(){
    current++;
    $('#counter').html(current+'%'); 
    if(current == 100) { current = 0; }
  }
  $('.load-bar').mouseover(function(){
            clearInterval(interval);
  }).mouseout(function(){
      interval = setInterval(increment,100);
         });
});
</script>

</body>

</html>

效果图：

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原文地址：https://www.cnblogs.com/heyiming/p/6599870.html