<html>
<head>
<meta charset=UTF-8>
<title>YuGiOh</title>
<style type="text/css">
#div {
position: absolute
top: 50px
left: 300px
width: 300px
height: 300px
line-height: 300px
text-align: center
border: 1px solid black
}
</style>
<script type="text/javascript" src="jquery-1.8.0.min.js"></script>
<script type="text/javascript">
var rotateHTML5 = function (limit)
{
var reg = /(rotate\([\-\+]?((\d+)(deg))\))/i
var wt = div.style['-webkit-transform'], wts = wt.match (reg)
var $2 = RegExp.$2
console.log ($2)
div.style['-webkit-transform'] = wt.replace ($2, parseFloat (RegExp.$3) + limit + RegExp.$4)
}
var rotateIE = function (obj)
{
var d = !!obj.d ? obj.d : 1
var r = d * Math.PI / 180
costheta = Math.cos (r)
sintheta = Math.sin (r)
obj.style.filter = "progid:DXImageTransform.Microsoft.Matrix()"
var item = obj.filters.item (0)
var width = obj.clientWidth
var height = obj.clientHeight
item.DX = -width / 2 * costheta + height / 2 * sintheta + width / 2
item.DY = -width / 2 * sintheta - height / 2 * costheta + height / 2
item.M11 = costheta
item.M12 = -sintheta
item.M21 = sintheta
item.M22 = costheta
obj.timer = setTimeout (function ()
{
var dx = d + 1
dx = dx > 360 ? 1 : dx
obj.d = dx
rotate (obj, dx)
}, 30)
}
var start = function ()
{
if (!!div.interval)
{
clearInterval (div.interval)
delete div.interval
}
else
{
div.interval = setInterval (function ()
{
/.*webkit.*/i.test (navigator.userAgent) ? rotateHTML5 (1) : rotateIE (div)
}, 30)
}
}
</script>
</head>
<body>
<button onclick="start()">rotate</button>
<div id="div" style="border-radius: 90px -webkit-transform: rotate(10deg)">ROTATE</div>
</body>
</html>
以下是引用片段：#imgmenu{
width: 450px
height: 25px/*高度是背景图片的一半*/
background: url(/imagelist/06/43/473648jpj0j1.gif)
list-style-type: none
padding: 0px
margin: 0px
}
#imgmenu li{
float: left
}
#imgmenu li a{
display: block
width: 90px
height: 25px
}
#imgmenu li#home a:hover,#activeh{
background: url(/imagelist/06/43/473648jpj0j1.gif) 0 -25px
/*翻转时背景图的位置，左边0px，顶部-25px,
背景图的下半部分，下同*/
}
#imgmenu li#about a:hover,#activea{
background: url(/imagelist/06/43/473648jpj0j1.gif) -90px -25px
/*第二个菜单的位置距左边90px，
每个菜单的宽度是90px*/
}
#imgmenu li#pro a:hover,#activep{
background: url(/imagelist/06/43/473648jpj0j1.gif) -180px -25px
}
#imgmenu li#faq a:hover,#activef{
background: url(/imagelist/06/43/473648jpj0j1.gif) -270px -25px
}
#imgmenu li#contact a:hover,#activec{
background: url(/imagelist/06/43/473648jpj0j1.gif) -360px -25px
}
