- 父级div定义固定高度height
- 结尾处加空div标签 clear:both
<style type="text/css"> ... /*清除浮动代码*/ .clearfloat{clear:both} </style> <div class="box"> <div class="float-left">Left</div> <div class="float-right">Right</div> <div class="clearfloat"></div> </div>
- 父级div定义 伪类:after 和 zoom
<style type="text/css"> ... /*清除浮动代码*/ .box:after{display:block;clear:both;content:"";visibility:hidden;height:0} .box{zoom:1} /*IE兼容*/ </style> <div class="box"> <div class="float-left">Left</div> <div class="float-right">Right</div> </div>
- 父级div定义 overflow:hidden
- 父级div 也一起浮动