1.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css">
*{
margin: 0;
padding: 0;
}
li{
list-style:none;
}
.clearfix:before, .clearfix:after {
content: '.';
display: block;
visibility: hidden;
font-size: 0;
line-height: 0;
width: 0;
height: 0;
}
.clearfix:after {
clear: both;
}
.clearfix {
zoom: 1;
}
ul li{
margin-right: 15px;
width: 235px;
float: left;
background-color: red;
}
ul li a{
width: 235px;
text-align: center;
/*图片的父集设置display为table-cell*/
display: table-cell;
height: 145px;
line-height: 142px;
}
ul li a img{
/*img图片设置vertical-align为middle*/
vertical-align: middle;
max-height: 145px;
max-width: 235px;
}
</style>
</head>
<body>
<ul class="clearfix">
<li>
<a href="###">
<img src="1.jpg" />
</a>
</li>
<li>
<a href="###">
<img src="2.jpg" />
</a>
</li>
</ul>
</body>
</html>
2.效果
3.几点说明
(1)相当于给图片的直接父集添加text-align: center;display: table-cell;同时给img图片添加vertical-align: middle;(此时的图片是inline-block);
(2)如果此法不适用,也可同过position的方法实现(left:50%;margin-left:-imgwidth/2)即可