js和css实现的扇子展开和折叠效果代码实例

快乐打工仔发布于 2年前分类：实例代码

分享一段代码实例，它实现了扇子的展开和折叠效果。

代码实例如下:

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.pipipi.net/" />
<title>前端教程网</title>
<style>
html {
  overflow: hidden;
}
body {
  background: #00ffff;
}
div {
  width: 10px;
  height: 500px;
  background: #ff83fa;
  position: absolute;
  top: 10%;
  left: 50%;
  transform-origin: center 90%;
  transition: transform 2s;
  border-left: 1px solid pink;
  border-right: 1px solid pink;
}
div:before,
div:after {
  content: '';
  position: absolute;
  height: 300px;
  width: 20px;
}
div:before {
  border-top: 300px solid #dddddd;
  border-right: 25px solid transparent;
}
div:after {
  left: -35px;
  border-top: 300px solid white;
  border-left: 25px solid transparent;
}
div:first-of-type:after,
div:last-of-type:before,
div:last-of-type:after {
  border-top: 300px solid #ff83fa;
}
body:hover div:nth-of-type(1) {
  transform: rotate(-70deg);
}
body:hover div:nth-of-type(2) {
  transform: rotate(-60deg);
}
body:hover div:nth-of-type(3) {
  transform: rotate(-50deg);
}
body:hover div:nth-of-type(4) {
  transform: rotate(-40deg);
}
body:hover div:nth-of-type(5) {
  transform: rotate(-30deg);
}
body:hover div:nth-of-type(6) {
  transform: rotate(-20deg);
}
body:hover div:nth-of-type(7) {
  transform: rotate(-10deg);
}
body:hover div:nth-of-type(8) {
  transform: rotate(0deg);
}
body:hover div:nth-of-type(9) {
  transform: rotate(10deg);
}
body:hover div:nth-of-type(10) {
  transform: rotate(20deg);
}
body:hover div:nth-of-type(11) {
  transform: rotate(30deg);
}
body:hover div:nth-of-type(12) {
  transform: rotate(40deg);
}
body:hover div:nth-of-type(13) {
  transform: rotate(50deg);
}
body:hover div:nth-of-type(14) {
  transform: rotate(60deg);
}
body:hover div:nth-of-type(15) {
  transform: rotate(70deg);
}
</style>
<script>
window.onload = function () {
  document.addEventListener('mousemove', function (e) {
    this.body.style.transform = 'rotateZ(-' + e.y / 50 + 'deg)'
  }, false);
}
</script>
</head>
<body>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
  <div></div>
</body>
</html>

上面的代码实现了我们的要求，更多内容可以参阅相关阅读。