尊重劳动成果,转载请注明出处(http://blog.youkuaiyun.com/sllailcp/article/details/48288959)...
闲暇之余做的一个css3扇形菜单
完整代码如下:
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style>
*{margin:0;padding:0;list-style:none;}
.box{width:202px;height:202px;margin:100px auto;position:relative;-webkit-border-radius:110px;overflow:hidden;}/*overflow:hidden;*/
.cirOut{width:200px;height:200px;border:1px solid #39F;-webkit-border-radius:110px;background:rgba(0,0,0,0.5);overflow:hidden;-webkit-transform:scale(1);position:relative;-webkit-transition:.5s}/**/
.circle{width:50px;height:50px;border:1px solid #ccc;border-radius:50px;cursor:pointer;background:#0CF;text-align:center;line-height: 25px;position:absolute;left:75px;top:75px;-webkit-transition:.5s;}
.circle.active{background:#36F}
li{width:100px;height:100px;border-right:1px solid #000;border-bottom:1px solid #000;overflow:hidden;position:absolute;-webkit-transform-origin:right bottom;z-index:2;-webkit-transition:0.3s}
/*li:nth-of-type(1){transform:rotate(0deg) skew(60deg);}
li:nth-of-type(2){transform:rotate(30deg) skew(60deg);}
li:nth-of-type(3){transform:rotate(60deg) skew(60deg);}
li:nth-of-type(4){transform:rotate(90deg) skew(60deg);}*/
li.Bg{border:0;background:#00F;z-index:1;transition:0s}
li a{display:block;width:200px;height:200px;text-align:center;position:absolute;bottom:-100px;left:0;}
li a span{display:inline-block;width:25px;color:#fff;}
</style>
<script src="jquery-1.8.3.min.js"></script>
<script>
$(function(){
var $box=$('.box');
var $cirOut=$('.cirOut');
var $circl=$('.circle');
var $li=$('li');
var $Bg=$('.Bg');
var inow=true;
var Timers=null;
var inum=0;
var lengths=$li.not('.Bg').length;
var degs=360/lengths;
var degsCir=Math.abs(degs-90);
$circl.bind('mouseover',function(){
clearTimeout(Timers);
$Bg.css({'background':'#00F','webkitTransition':'0s'})
if(inow){
circleshow();
inow=false;
}else{
$circl.addClass('active');
$cirOut.css({'webkitTransform':'scale(1)'})
}
})
$cirOut.bind('mouseover',function(e){
clearTimeout(Timers)
$circl.addClass('active');
$cirOut.css({'webkitTransform':'scale(1)'})
})
$cirOut.bind('mouseout',function(){
Timers=setTimeout(function(){
inow=true;
$circl.removeClass('active');
$cirOut.css({'webkitTransform':'scale(0.2)'});
},500)
})
//移动的背景
$Bg.css({'webkitTransform':'rotateZ('+360+'deg) skew('+degsCir+'deg)'});
//每一个li绑定事件
$li.not('.Bg').each(function(index, element) {
$(element).css({'webkitTransform':'rotateZ('+index*degs+'deg) skew('+degsCir+'deg)'});//每个li的旋转角度 //li下的a标签反向旋转到垂直位置
$(element).find('a').css({'webkitTransform':'skew(-'+degsCir+'deg) rotateZ(-'+(90-(90-degsCir)/2)+'deg)'});
$(element).bind('mouseover',function(){//每一个li绑定事件
console.log(index)
$Bg.css({'background':'#00F','webkitTransition':'0s'})//移动的背景清除动画事件
if(inum==0&&index==(lengths-1)){ //如果是从第一个li移到最个后一li
console.log(degs+',,,,'+degsCir)
$Bg.css({'webkitTransform':'rotateZ('+360+'deg) skew('+degsCir+'deg)'});
}
if(inum==(lengths-1)&&index==0){//如果是从最后一个li移到第一个li
console.log(degs+',,,,'+degsCir)
$Bg.css({'webkitTransform':'rotateZ(-'+degs+'deg) skew('+degsCir+'deg)'});
}
setTimeout(function(){//延迟10毫秒执行
$Bg.css({'webkitTransform':'rotateZ('+index*degs+'deg) skew('+degsCir+'deg)','webkitTransition':'0.3s'});
},10)
inum=index;
})
$(element).bind('mouseout',function(){
$Bg.css({'background':'none'});
})
});
function circleshow(){
$circl.addClass('active');
$circl.bind('webkitTransitionEnd',delayshow);
function delayshow(){
$circl.unbind('webkitTransitionEnd',delayshow);
$cirOut.css({'webkitTransform':'scale(1)'});
}
}
})
</script>
</head>
<body>
<div class="box">
<ul class="cirOut">
<li><a href="https://www.baidu.com/"><span>菜单一</span></a></li>
<li><a href="#"><span>菜单二</span></a></li>
<li><a href="#"><span>菜单三</span></a></li>
<li><a href="#"><span>菜单四</span></a></li>
<li><a href="#"><span>菜单五</span></a></li>
<li><a href="#"><span>菜单六</span></a></li>
<li class="Bg"></li>
</ul>
<div class="circle">鼠标<br>移上</div>
</div>
</body>
</html>
效果图如下: