<head>
<title>CSS也可实现图片防盗链</title>
<style>
img {
filter:expression( this.不能去掉 ? "" : ( (!this.complete) ? "" : this.runtimeStyle.filter = ("progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + this.src + "')") + String(this.不能去掉 = true).substr(0, 0) +
(this.src = "/images/logo.gif").substr(0, 0) ) );
}
</style>
</head>
<body></body>
</html>