关于ie8背景图片的平铺

filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(
   src='./img/gonggao.png',
   sizingMethod='scale');
   -ms-filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(
   src='./img/gonggao.png',
   sizingMethod='scale');

路径要是绝对路径

background:url(./img/gonggao.png)norepeat;