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IE浏览器下JPG或者GIF图片变成透明的解决方法

又遇到一蛋疼的事,网站上一张背景图在IE下居然显示成半透明的了,其他所有浏览器都正常,如图,

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开始我以前是IE6和PNG图片的纠结事呢,后来一看这图居然是JPG的 而且 IE版本也是IE9 ,这就蛋疼了,没办法,先审查代码,这代码单独拿出来测试在IE9下面每次都弹出 internet explorer已限制此网页运行脚本或activex控件 点阻止后图片就透明了,浏览器设置了半天也不管用,我想应该是代码本身的问题,酌行审查看到有这么一句;filter: alpha(opacity=60); 总算找到原因了,这个opacity就是的透明标准,而 filter这货只在IE下生效,感兴趣的可以去研究下这个东东,果断去掉这行在测试,正常了,如图

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