1、给父盒子设置高度
2、给父盒子设置overflow:hidden;
3、给父盒子的最后面加一个div,这个div有个属性:clear:both;
4、使用伪元素清除浮动
.clearfix { zoom: 1;/*IE/7/6*/ /*兼容IE6下的写法*/ } .clearfix:after { content: ""; line-height: 0; width: 0; height: 0; display: block; visibility: hidden; clear: both; }
5、标准流隔断法
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <style> .left { width: 200px; height: 200px; background-color: #06f; border: 1px solid blue; float: left; } .normal { width: 202px; height: 300px; background-color: #f60; } </style> </head> <body> <div class="left"></div> <div class="left"></div> <div class="left"></div> <div class="normal"></div> <div class="left"></div> <div class="left"></div> <div class="left"></div> </body> </html>
效果图: