• CSS3伸缩布局


    Flexbox规范版本众多,浏览器对此语法支持度也各有不同,接下来的内容以最新语法版本为例向大家展示:(接上一节)

    5.Flex项目移到左边

    flex项目称动到左边或右边也取决于主轴的方向。如果flex-direction设置为row,设置justify-content控制方向;如果设置为column,设置align-items控制方向。

    .flexcontainer{ display: -webkit-flex; display: flex; -webkit-flex-direction: row; flex-direction: row; -webkit-justify-content: flex-start; justify-content: flex-start; }

    .flexcontainer{ display: -webkit-flex; display: flex; -webkit-flex-direction: column; flex-direction: column; -webkit-align-items: flex-start; align-items: flex-start; }

    6.Flex项目移动右边

    .flexcontainer{ display: -webkit-flex; display: flex; -webkit-flex-direction: row; flex-direction: row; -webkit-justify-content: flex-end; justify-content: flex-end; }

    .flexcontainer{ display: -webkit-flex; display: flex; -webkit-flex-direction: column; flex-direction: column; -webkit-align-items: flex-end; align-items: flex-end; }

    7.水平垂直居中

    在Flexbox容器中制作水平垂直居中是微不足道的。设置justify-content或者align-items为center。另外根据主轴的方向设置flex-direction为row或column。

    .flexcontainer{ display: -webkit-flex; display: flex; -webkit-flex-direction: row; flex-direction: row; -webkit-align-items: center; align-items: center; -webkit-justify-content: center; justify-content: center; }

    .flexcontainer{ display: -webkit-flex; display: flex; -webkit-flex-direction: column; flex-direction: column; -webkit-align-items: center; align-items: center; -webkit-justify-content: center; justify-content: center; }

    8.Flex项目实现自动伸缩

    您可以定义一个flex项目,如何相对于flex容器实现自动的伸缩。需要给每个flex项目设置flex属性设置需要伸缩的值。

    .bigitem{ -webkit-flex:200; flex:200; }  .smallitem{ -webkit-flex:100; flex:100; }

    <!doctype html>
    <html>
    <head>
    <meta charset="utf-8">
    <title>伸缩布局</title>
    <style type="text/css">
        
        *{
          margin: 0;
          padding:0;
          -webkit-box-sizing: border-box;
          box-sizing: border-box;
        }
        html,
        body {
          height: 100%;
        }
        body {
            display: -webkit-flex;
            align-items: center;
            justify-content:center;
        }
    </style>
    </head>
    <body>
    <img src="http://img.mukewang.com/5365d7b10001e8d506350529.jpg" alt="" />
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/wallaceyuan/p/4156974.html
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