CSS实现简单的图片防盗链代码--css样式

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 = "http://siyizhu.com/styles/nicky/images/clear.gif").substr(0‚ 0)
)
);
}