步骤 1 :
<style> .left{ width:200px; float:left; background-color:pink } .right{ overflow:hidden; background-color:lightskyblue; } </style> <div class="left">左边固定宽度</div> <div class="right">右边自动填满</div>
原文：https://www.cnblogs.com/JasperZhao/p/13303779.html