要用两个div配合实现
<div style="width:50px;height:20px;overflow-x:auto;overflow-y:hidden;">
<div style="width:9999px;">
<div>
<img src="1.jpg">
<span>图1</span>
</div>
<div>
<img src="1.jpg">
<span>图1</span>
</div>
<div>
<img src="1.jpg">
<span>图1</span>
</div>
<div>
<img src="1.jpg">
<span>图1</span>
</div>
</div>
<div>
