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	1.利用transform属性不拉伸显示图片,(路径问题需要按需求修改); 
	html: 
	
		
			
				| 
<div id="surface-div1">
<img :src="pic1" class="surface-img">
</div> |  
CSS:
 
	
		
			
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#surface-div1{
    position: relative;
    width: 372px;
    height: 175px;
    float: left;
    margin-top: -34px;
    margin-left: 122px;
    cursor: pointer;
    background: url(../../../static/img/addheadpic.jpg)center center no-repeat;
    text-align: center;
    border: 1px solid #CCCCCC;
    border-radius:6px;
    overflow: hidden;
}
#surface-div1 img{
    position: absolute;
    width: 100%;
    top: 50%;
    left: 0;
    transform: translateY(-50%) scale(1);
    border:none;
    border-radius: 6px;display:table-cell
} |  
	 
  
	最终效果如上图的左边。 
	2.参考淘宝的,利用display:table-cell和文字大小控制居中 
	html: 
	
		
			
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<div id="surface-div">
  <div class="sur-div">
     <img :src="pic" class="surface-img">
  </div>
</div> |  
CSS:
 
	
		
			
				| 
#surface-div{
    position: relative;
    width: 372px;
    height: 372px;
    float: left; 
    margin-top: -34px;
    margin-left: 122px;
    cursor: pointer;
    background: url(../../../static/img/addheadpic.jpg)center center no-repeat;
    text-align: center;
    border: 1px solid #CCCCCC;
    border-radius:6px;
    overflow: hidden;
}
.sur-div{
    display: table-cell;
    text-align: center;
    vertical-align: middle;
    font-size: 12px;
    width: 372px;
    height: 372px;
    overflow: hidden;
}
#surface-div img{   
    max-height: 100%;
    max-width: 100%;
    vertical-align: middle;
    border: 0;
} |  
	 
	效果如上图中的左边部分,重点是需要外面的div是正方形。 
 淘宝的是这样的:
 
	 
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