<style>
.span{border:0;overflow:hidden;width:68;}
.select{width:72;margin:-2;}
</style>
<span class="span">
<select class=select>
<option>rrrrrrrrrrrrrrrrr</option>
</select></span>
.span{border:0;overflow:hidden;width:68;}
.select{width:72;margin:-2;}
</style>
<span class="span">
<select class=select>
<option>rrrrrrrrrrrrrrrrr</option>
</select></span>
最简单的方法怎么做