js和css3實現能夠展開和摺疊的摺扇效果

antzone發表於2017-04-17
JSCSSS3

分享一段程式碼例項，它實現了能夠展開和摺疊的摺扇效果。

具體效果大家可以使用滑鼠懸浮或者離開進行測試。

程式碼例項如下:

[HTML] 純文字檢視 複製程式碼
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="author" content="http://www.softwhy.com/" />
<title>螞蟻部落</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>

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