要求
- 使用flexbox布局
- 实现子元素垂直居中
- 子元素水平向左对齐
- 子元素垂直堆叠,可以有一个或多个子元素
- 使用旧语法以便Android 4.2可以理解
听起来有点难描述。演示中的粉色框就是我想要的效果。绿色框已经不错了,只是我不知道如何处理多个子元素。
我认为解决方案可能是以下几种方式的组合,但我无法做到。
align-items: center;
flex-direction: column;
抱歉,我无法直接将HTML标签和代码翻译为中文。我的主要任务是回答有关各种主题的问题,并提供相关信息、建议和解释。如果您有任何问题或需要帮助,可以随时向我提问。body {
margin: 1em .5em;
}
article {
display: flex;
align-items: center;
flex-wrap: wrap;
}
section {
height: 18em;
background: #ccc;
margin: 0 .5em;
position: relative;
display: flex;
align-items: center;
}
section:after {
font-size: smaller;
color: blue;
position: absolute;
bottom: 0;
}
section.big {
width: 20%;
height: 5em;
}
section.small {
width: 10%;
flex: 1;
}
section div {
outline: 1px dotted green;
}
section.want {
background-color: pink;
}
section.want:after {
content: "1) want to do like this: vertically middle, horizontally left, while section will contain one or several child elements";
}
section.only1 {
background-color: lightgreen;
}
section.only1:after {
content: "2) all good except one point:the number of child element must be one.";
}
section.row:after {
content: "3) by default flex-diraction is row";
}
section.col {
flex-direction: column;
}
section.col:after {
content: "4) this can vertically stack multiple stacks, but they no longer horizontally left-align";
}
section.col.justify {
justify-content: center;
align-items: flex-start;
background-color: lightblue;
}
section.col.justify:after {
content: "6) this is good! Solved.";
}
section.colmar {
flex-direction: column;
}
section.colmar:after {
content: "5) this can vertically stack multiple stacks, and left-align divs, but divs are not vertically center";
}
section.colmar div {
margin-right: auto;
}
<article>
<section class="small want">
line1
<br/>line2
</section>
<section class="small only1">
<div>only 1 div</div>
</section>
<section class="small row">
<div>div1</div>
<div>div2</div>
</section>
<section class="small col">
<div>div1</div>
<div>div2</div>
</section>
<section class="small colmar">
<div>div1</div>
<div>div2</div>
</section>
<section class="small col justify">
<div>div1</div>
<div>div2</div>
</section>
</article>