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javascript图片360°旋转

 2010-07-07 20:14:43 来源:WEB开发网   
核心提示:【程序源码】<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><htm

【程序源码】

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title> ImageRotation </title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<style type="text/CSS">
#demo { cursor:pointer; position:absolute;filter:PRogid:DXImageTransform.Microsoft.Matrix(sizingmethod="auto expand");}
</style>
</head>
<body>
<div id="container" style="width:500px;height:350px;position:relative;margin:0 auto">
   <div id="demo">
     <img src="http://tech.cncms.com/tech/UploadPic/2010910/2010910201444793.jpg" width="500" height="333" />
   </div>
</div>
<script>
var Img = function() {
   var T$ = function(id) { return document.getElementById(id); }
   var ua = navigator.userAgent,
     isIE = /msie/i.test(ua) && !window.Opera;
   var i = 0, sinDeg = 0, cosDeg = 0, timer = null ;
   var rotate = function(target, degree) {
     target = T$(target);
     var orginW = target.clientWidth, orginH = target.clientHeight;
       clearInterval(timer);
     function run(angle) {
       if (isIE) { // IE
         cosDeg = Math.cos(angle * Math.PI / 180);
         sinDeg = Math.sin(angle * Math.PI / 180);
         with(target.filters.item(0)) {
           M11 = M22 = cosDeg; M12 = -(M21 = sinDeg);
         }
         target.style.top = (orginH - target.offsetHeight) / 2 + 'px';
         target.style.left = (orginW - target.offsetWidth) / 2 + 'px';
       } else if (target.style.MozTransform !== undefined) {  // Mozilla
         target.style.MozTransform = 'rotate(' + angle + 'deg)';
       } else if (target.style.OTransform !== undefined) {  // Opera
         target.style.OTransform = 'rotate(' + angle + 'deg)';
       } else if (target.style.webkitTransform !== undefined) { // Chrome Safari
         target.style.webkitTransform = 'rotate(' + angle + 'deg)';
       } else {
         target.style.transform = "rotate(" + angle + "deg)";
       }
     }
    
     timer = setInterval(function() {
       i += 10;
       run(i);
       if (i > degree - 1) {
         i = 0;
         clearInterval(timer);
       }
     }, 10);
   }
   return {rotate: rotate}
}();
window.onload = function() {
   Img.rotate('demo', 360);
   document.getElementById('demo').onclick = function() {
     Img.rotate('demo', 360);
   }
}
</script>
</body>
</html>

【说明】

最终还是实现了全浏览器兼容.

IE使:matirx滤镜  webkit: webkitTransform  Opera: OTransform  Firefox:MozTransform

【源码下载】

http://files.cnblogs.com/bluedream2009/rotate.rar

Tags:javascript 图片 旋转

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