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图片翻转效果具体实现代码

2014-01-09 17:02 295 查看

<!DOCTYPE html /> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" /> <title>图片翻转效果</title> <style type="text/css"> .box {overflow:hidden;position:relative;} .txt {width:100%;height:100%;background:#f51146;font-size:12px;position:absolute;top:-100%;color:white; text-align:center;filter:alpha(Opacity=80);-moz-opacity:0.8;opacity:0.8;} #b1 {background:url(http://biyuan.tk/u/upload/201310221457326875.jpg);width:232px;height:232px;} #b2 {background:url(http://biyuan.tk/u/upload/201310221457486875.jpg);width:110px;height:110px;} #b3 {background:url(http://biyuan.tk/u/upload/201310221458149843.jpg);width:110px;height:110px;} </style> </head> <body> <div id="obj"> <div class="box" id="b1"><div class="txt">文字说明<br />文字说明</br />文字</div></div> <div class="box" id="b2"><div class="txt">文字说明<br />文字说明</br />文字</div></div> <div class="box" id="b3"><div class="txt">文字说明<br />文字说明</br />文字</div></div> </div> <script type="text/javascript"> function Show(o, s, v){ clearInterval(Show.prototype["a" + v]); Show.prototype["a" + v] = setInterval(function(){ if(s == -1) { if(o.offsetTop <= -o.parentNode.offsetHeight) { o.style.top = -o.parentNode.offsetHeight + "px"; return clearInterval(Show.prototype["a" + v]); } } else { if(o.offsetTop >= -10) { o.style.top = 0; return clearInterval(Show.prototype["a" + v]); } } o.style.top = (o.offsetTop * 1 + 10 * s) + "px"; }, 10); } var igs = document.getElementById('obj').getElementsByTagName("div"); for(var i = 0; i < igs.length; i ++) { if(igs[i].className == "box") { (function(x){ igs[x].onmouseover = function(){ Show(this.childNodes[0], 1, x); this.onmouseout = function() { Show(this.childNodes[0], -1, x); } } })(i); } } </script> </body> </html>

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