几种常见前端开发 布局代码的flex写法

前端开发 布局代码|前端开发者

整理了几种常见布局的flex写法:

html 代码

<!DOCTYPE html>
<html lang=”en”>
<head>
<metacharset=”UTF-8″>
<title>flex布局</title>
<style>
*{
margin:0;
padding:0;
}
body{
height:100%;
position:relative;
}
.wrapper{
height:100px;
line-height:100px;
text-align:center;
width:30%;
margin:0auto;
}
.box-flex{
background:#f4f4f4;
padding:10px;
border:1pxdashedsteelblue;
}
.box-flexspan{
display:block;
border:1pxsolidred;
}
.box-wph2{
text-align:left;
}
.box-wph2span{
font-weight:normal;
font-size:18px;
}
.box-flex{
display:-ms-flex;
display:-moz-flex;
display:-webkit-flex;
display:flex;
}
.item{
margin-bottom:10px;
}
footer{
position:fixed;
right:10px;
bottom:10px;
color:#ddd;
text-align:right;
}
/* 小屏下变成纵向排列元素 */
@media(max-width:768px){
.box-flex{
flex-direction:column;
}
}
/* flex两列布局 */
.box-flex1{}
.box-flex1.item:nth-child(1){
flex-grow:2;
}
.box-flex1.item:nth-child(2){
flex-grow:1;
}
/* flex两列布局(一列定宽,另一列随屏幕宽度自适应) */
.box-flex2{}
.box-flex2.item{}
.box-flex2.item:nth-child(1){
flex:10100px;
}
/* 元素不收缩 */
.box-flex2.item:nth-child(2){
flex-grow:1;
overflow:hidden;
}
/* 防止元素内容过长超出父元素 */
/* flex三列布局 */
.box-flex3{}
.box-flex3.item:nth-child(1){
flex-grow:2;
order:1;
}
.box-flex3.item:nth-child(2){
flex-grow:1;
order:0;
}
.box-flex3.item:nth-child(3){
flex-grow:1;
order:2;
}
/* flex n列等比布局 */
.box-flex4{}
.box-flex4.item{
width:100%;
flex-grow:1;
word-break:break-all;
}
/* 设置width可避免item里内容过多时。该元素相对其他兄弟元素变宽 */
/* flex流式布局 */
.box-flex5{
flex-wrap:wrap;
justify-content:flex-start;
}
.box-flex5.item{
flex-basis:32%;
}
/* flex水平垂直居中 */
.box-flex6{
width:300px;
height:300px;
justify-content:center;
align-items:center;
}
.box-flex6.item{
flex-basis:33%;
}
/* flex对折线 */
.box-flex7{
flex-direction:column;
width:300px;
}
.box-flex7.item-wp{
display:flex;
}
.box-flex7.item-wp:nth-child(1){}
.box-flex7.item-wp:nth-child(2){
justify-content:center;
align-items:center;
}
.box-flex7.item-wp:nth-child(3){
justify-content:flex-end;
align-items:flex-end;
}
.box-flex7.item{
flex-basis:33%;
}
/* flex各种对齐方式 */
.box-flex8{
flex-direction:column;
}
.box-flex8.item-wp{
display:flex;
}
.box-flex8.item-wp:nth-child(1){
justify-content:space-around;
}
.box-flex8.item-wp:nth-child(2){
justify-content:space-between;
}
.box-flex8.item-wp:nth-child(3){
justify-content:flex-start;
}
.box-flex8.item-wp:nth-child(4){
justify-content:center;
}
.box-flex8.item-wp:nth-child(5){
justify-content:flex-end;
}
.box-flex8.item{
flex-basis:25%;
}
</style>
</head>
<body>
<divclass=”wrapper”>
<h1>flex布局</h1>
<divclass=”box-wp”>
<h2>flex两列布局</h2>
<divclass=”box-flex box-flex1″>
<spanclass=”item item1″>1</span>
<spanclass=”item item2″>2</span>
</div>
<h2>flex两列布局
<span>(一列定宽,另一列随屏幕宽度自适应)</span>
</h2>
<divclass=”box-flex box-flex2″>
<spanclass=”item item1″>1</span>
<spanclass=”item item2″>222222222222222222222222222222222222222222222222222222222</span>
</div>
<h2>flex三列布局</h2>
<divclass=”box-flex box-flex3″>
<spanclass=”item item1″>1</span>
<spanclass=”item item2″>2</span>
<spanclass=”item item3″>3</span>
</div>
<h2>flex&nbsp;n列等比布局</h2>
<divclass=”box-flex box-flex4″>
<spanclass=”item item1″>1</span>
<spanclass=”item item2″>2</span>
<spanclass=”item item3″>3</span>
<spanclass=”item item4″>4</span>
<spanclass=”item item5″>5</span>
<spanclass=”item item6″>66666666666666</span>
</div>
<h2>flex流式布局</h2>
<divclass=”box-flex box-flex5″>
<spanclass=”item item1″>1</span>
<spanclass=”item item2″>2</span>
<spanclass=”item item3″>3</span>
<spanclass=”item item4″>4</span>
<spanclass=”item item5″>5</span>
<spanclass=”item item6″>6</span>
<spanclass=”item item7″>7</span>
</div>
<h2>flex水平垂直居中</h2>
<divclass=”box-flex box-flex6″>
<spanclass=”item item1″>1</span>
</div>
<h2>flex&nbsp;对折线</h2>
<divclass=”box-flex box-flex7″>
<divclass=”item-wp”>
<spanclass=”item item1″>1</span>
</div>
<divclass=”item-wp”>
<spanclass=”item item2″>2</span>
</div>
<divclass=”item-wp”>
<spanclass=”item item3″>3</span>
</div>
</div>
<h2>flex各种对齐方式</h2>
<divclass=”box-flex box-flex8″>
<divclass=”item-wp”>
<spanclass=”item item1″>1</span>
<spanclass=”item item2″>2</span>
<spanclass=”item item3″>3</span>
</div>
<divclass=”item-wp”>
<spanclass=”item item4″>4</span>
<spanclass=”item item5″>5</span>
<spanclass=”item item6″>6</span>
</div>
<divclass=”item-wp”>
<spanclass=”item item7″>7</span>
<spanclass=”item item8″>8</span>
</div>
<divclass=”item-wp”>
<spanclass=”item item9″>9</span>
<spanclass=”item item10″>10</span>
</div>
<divclass=”item-wp”>
<spanclass=”item item11″>11</span>
<spanclass=”item item5″>12</span>
</div>
</div>
</div>
</div>
<footer>
<p>Written by Hershin</p>
</footer>
</body>
</html>
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