三栏布局,中间自适应,左右固定实现方法
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方法一:浮动
<div class="container">
<div class="content">hello</div>
<div class="left"></div>
<div class="right"></div>
</div>
<div class="content">hello</div>
<div class="left"></div>
<div class="right"></div>
</div>
<style>
.left{
float:left;
width: 200px;
height: 300px;
background: red;
}
.right{
float: right;
width: 200px;
height: 300px;
background: green;
}
.content{
width: 100%;
height: 300px;
background: blue;
}
</style>
方法二:定位
.left{
width: 200px;
height: 300px;
background: red;
position: absolute;
left: 0;
top: 0;
}
.right{
width: 200px;
height: 300px;
background: green;
position: absolute;
right: 0;
top: 0;
}
.content{
width: 100%;
height: 300px;
background: blue;
width: 200px;
height: 300px;
background: red;
position: absolute;
left: 0;
top: 0;
}
.right{
width: 200px;
height: 300px;
background: green;
position: absolute;
right: 0;
top: 0;
}
.content{
width: 100%;
height: 300px;
background: blue;
margin:0 200px;
}
}
.container{
position:relative;
}
方法三:display:box
.left{
width: 200px;
height: 300px;
background: red;
}
.right{
height: 300px;
background: red;
}
.right{
width:200px;
height: 300px;
background: green;
}
.content{
box-flex:1
height: 300px;
background: blue;
}
height: 300px;
background: green;
}
.content{
box-flex:1
height: 300px;
background: blue;
}
.container{
display:box;
}
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