<div id="flex">
<div id="left">我在左邊，自適應(yīng)布局</div>
<div id="right">我在右邊命雀，定寬</div>
</div>
#flex{
display: flex;
}
#left{
flex:1 1 auto;
background: red;
}
#right{
background:green;
width: 200px;
}
方案二：
#left {
position: absolute;
width: 100px;
float: left;
}
#right {
margin-left: 100px;
}
