原文链接:https://www.cnblogs.com/wangyawei/p/9103573.html
采用Flex布局的元素,被称为Flex容器(flex container),简称"容器"。其所有子元素自动成为容器成员,成为Flex项目(Flex item),简称"项目"
Flex-direction调整主轴方向(默认为水平方向)包括row、column、row-reverse、column-reverse
代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>CSS3伸缩布局</title> <style> body { margin: 0; padding: 0; font-family: '微软雅黑'; background-color: #F7F7F7; } ul { margin: 0; padding: 0; list-style: none; } .wrapper { width: 1024px; margin: 0 auto; } .wrapper > section { min-height: 300px; margin-bottom: 30px; box-shadow: 1px 1px 4px #DDD; background-color: #FFF; } .wrapper > header { text-align: center; line-height: 1; padding: 20px; margin-bottom: 10px; font-size: 30px; } .wrapper section > header { line-height: 1; padding: 10px; font-size: 22px; color: #333; background-color: #EEE; } .wrapper .wrap-box { padding: 20px; } .wrapper .brief { min-height: auto; } .wrapper .flex-img { width: 100%; } /*全局设置*/ section ul { display: flex; } section li { width: 200px; height: 200px; text-align: center; line-height: 200px; margin: 10px; background-color: pink; } /*垂直方向*/ section:nth-child(2) ul { display: flex; } .column ul { flex-direction: column; } .row-reverse ul { flex-direction: row-reverse; } .column-reverse ul { flex-direction: column-reverse; } /*1、指定一个盒子为伸缩盒子 display: flex*/ /*2、设置属性来调整此盒的子元素的布局方式 例如 flex-direction*/ /*3、明确方向*/ /*4、它可互换主侧轴,也可改变方向*/ </style> </head> <body> <div class="wrapper"> <header>CSS3-伸缩布局详解</header> <!-- 简介 --> <section class="brief"> <header>flex-direction</header> <div class="wrap-box"> <p>调整主轴方向(默认为水平方向)包括row、column、row-reverse、column-reverse</p> </div> </section> <!-- 分隔线 --> <section> <header>flex-direction</header> <div class="wrap-box"> <p>调整主轴方向(默认为水平方向)</p> <ul> <li>1</li> <li>2</li> <li>3</li> </ul> </div> </section> <section class="column"> <header>column</header> <div class="wrap-box"> <p>调整主轴方向(默认为水平方向)</p> <ul> <li>1</li> <li>2</li> <li>3</li> </ul> </div> </section> <section class="row-reverse"> <header>row-reverse</header> <div class="wrap-box"> <p>调整主轴方向(默认为水平方向)</p> <ul> <li>1</li> <li>2</li> <li>3</li> </ul> </div> </section> <section class="column-reverse"> <header>column-reverse</header> <div class="wrap-box"> <p>调整主轴方向(默认为水平方向)</p> <ul> <li>1</li> <li>2</li> <li>3</li> </ul> </div> </section> </div> </body> </html>