div是left-right-centercss
效果图
html
css
css3
* { margin: 0; padding: 0; } .layout .content div{ min-height: 100px; } .layout .content .left{ float: left; width: 300px; background: pink; } .layout .content .right{ float: right; width: 300px; background: yellow; } .layout .content .center { background: red; }
html
布局
<section class="layout"> <article class="content"> <div class="left">左边内容</div> <div class="right">右边内容</div> <div class="center">浮动布局中间内容</div> </article> </section>
缺点: 定位的元素脱离了文档流,意味着子元素也要脱离文档流,因此这种方式的可以使用性比较差flex
效果图flexbox
css
3d
.layout-absolute .absolute-content { position: relative; } .layout-absolute .absolute-content div { min-height: 100px; } .layout-absolute .absolute-content .left { position: absolute; left: 0; width: 300px; background: pink; } .layout-absolute .absolute-content .right { position: absolute; right: 0; width: 300px; background: yellow; } .layout-absolute .absolute-content .center { position:absolute; left: 300px; right: 300px; background: red; }
html
code
<section class="layout-absolute"> <article class="absolute-content"> <div class="left">定位左边内容</div> <div class="center">定位布局中间内容</div> <div class="right">定位右边内容</div> </article> </section>
缺点:兼容性比较差(css3的属性),不兼容IE8及如下htm
效果图blog
css
.flexbox-content { display: flex; width: 100%; } .flexbox-content div { min-height: 100px; } .flexbox-content .left { width: 300px; background: pink; } .flexbox-content .right { width: 300px; background: yellow; } .flexbox-content .center { flex: 1; background: red; }
html
<section class="flexbox"> <article class="flexbox-content"> <div class="left">固定定位左边内容</div> <div class="center">固定定位中间内容</div> <div class="right">固定定位右边内容</div> </article> </section>
缺点:操做繁琐,当三栏中其中某一栏高度超出时,其余两栏的高度也会自动跟着调整(不符合某些场景)
效果图
css
.table-content { display: table; width: 100%; } .table-content div{ display: table-cell; height: 100px; } .table-content .left { width: 300px; background: pink; } .table-content .center { background: red; } .table-content .right { width: 300px; background: yellow; }
html
<section class="flexbox"> <article class="flexbox-content"> <div class="left">固定定位左边内容</div> <div class="center">固定定位中间内容</div> <div class="right">固定定位右边内容</div> </article> </section>
css
.grid-content { display: grid; width: 100%; grid-template-rows: 100px; grid-template-columns: 300px auto 300px; } .grid-content .left { background: pink; } .grid-content .center { background: red; } .grid-content .right { background: yellow; }
html
<section class="grid"> <article class="grid-content"> <div class="left">网格布局左边内容</div> <div class="center">网格布局中间内容</div> <div class="right">网格布局右边内容</div> </article> </section>