css支持标准的图片垂直居中


            
 
 
<!--  
body { 
    margin:0;padding:0 
    } 
div { 
    width:500px; 
    height:500px; 
    line-height:500px; 
    border:1px solid #ccc; 
    overflow:hidden; 
    position:relative; 
    text-align:center; 
    margin:auto 
    } 
div p { 
    position:static; 
    +position:absolute; 
    top:50% 
    } 
img { 
    position:static; 
    +position:relative; 
    top:-50%;left:-50%; 
    width:276px; 
    height:110px; 
    vertical-align:middle 
    } 
p:after { 
    content:".";font-size:1px; 
    visibility:hidden 
    } 
--> 
 
 

  [Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]