1. 使用float
<div class="use-float">
<div class="left"></div>
<div class="right"></div>
</div>
<style>
.left {
width: 100px;
float: left;
}
.right {
overflow: hidden;
}
</style>
2. 使用 flex
<div class="use-flex">
<div class="left"></div>
<div class="right"></div>
</div>
<style>
.use-flex {
display: flex;
}
.left {
flex: none;
width: 100px;
}
.right {
flex: 1;
}
</style>