jquery实现图片按比例缩放示例_jquery
Release： 2016-05-16 16:42:47
Original
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<html>
<title></title>
<head></head>
<style>
.thumbnail{overflow:hidden;width:400px;height:240px;}
</style>
<script src="http://code.jquery.com/jquery-1.4.1.min.js"></script>
<script language="javascript">
$(function(){
/* 图片不完全按比例自动缩小 by zwwooooo */
$('#content div.thumbnail img').each(function(){
var x = 400; //填入目标图片宽度
var y = 240; //填入目标图片高度
var w=$(this).width(), h=$(this).height();//获取图片宽度、高度
if (w > x) { //图片宽度大于目标宽度时
var w_original=w, h_original=h;
h = h * (x / w); //根据目标宽度按比例算出高度
w = x; //宽度等于预定宽度
if (h < y) { //如果按比例缩小后的高度小于预定高度时
w = w_original * (y / h_original); //按目标高度重新计算宽度
h = y; //高度等于预定高度
}
}
$(this).attr({width:w,height:h});
});
});
</script>
<body>
<div id="content">
<div id="thumbnail" class="thumbnail" >
<img id="web" src="./midle.png"/ alt="jquery实现图片按比例缩放示例_jquery" >
</div>
</div>
</body>
</html>Copy after login
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