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css3点击涟漪效果

2015-12-15 00:02 696 查看

代码如下：

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
@import url(http://fonts.googleapis.com/css?family=Roboto:400,300,100,500);
html {
background-color: #eeedef;
}
#container {
position: absolute;
top: 50%;
left: 50%;
margin-right: -50%;
opacity: 0.9;
transform: translate(-50%, -50%);
-webkit-transform: translate(-50%, -50%);
-moz-transform: translate(-50%, -50%);
}
.paper {
background-color: #fffeff;
width: 500px;
height: 100px;
overflow: hidden;
position: relative;
margin-bottom: 16px;
box-shadow: 0px 1px 2px 1px #d3d2d3;
border-radius: 2px;
transition: 0.1s ease-in;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.paper:hover {
cursor: pointer;
}
#num {
font-family: 'Roboto', sans-serif;
font-size: 28px;
color: #999;
text-align: center;
margin-top: 32px;
}
.ripple {
background-color: rgba(0, 0, 0, 0.45);
border-radius: 100%;
height: 100px;
width: 100px;
margin-top: -90px;
position: relative;
-webkit-transform: scale(0);
transform: scale(0);
}
.animate {
-webkit-animation: ripple 0.4s linear;
animation: ripple 0.4s linear;
}
@-webkit-keyframes ripple {
100% {
-webkit-transform: scale(12);
transform: scale(12);
background-color: transparent;
}
}
@keyframes ripple {
100% {
-webkit-transform: scale(12);
transform: scale(12);
background-color: transparent;
}
}
</style>
<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script>
$(document).ready(function() {
$(".paper").mousedown(function(e) {
var ripple = $(this).find(".ripple");
ripple.removeClass("animate");
var x = parseInt(e.pageX - $(this).offset().left) - (ripple.width() / 2);
var y = parseInt(e.pageY - $(this).offset().top) - (ripple.height() / 2);
ripple.css({
top: y,
left: x
}).addClass("animate");
});
});
</script>
</head>
<body>
<div id="container">
<div class="paper">
<p id="num">1</p>
<div class="ripple"></div>
</div>
</div>
</body>
</html>

View Code

效果如下图：

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