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CSS实现瀑布流的两种方式
column 多行布局实现瀑布流
1.column实现瀑布流主要依赖两个属性。
2.column-count属性，是控制屏幕分为多少列。
3.column-gap属性，是控制列与列之间的距离。
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>瀑布流布局-column</title><style>.box {margin: 10px;column-count: 3;column-gap: 10px;}.item {margin-bottom: 10px;}.item img{width: 100%;height:100%;}</style>
</head>
<body><div class="box"><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div></div>
</body>
</html>
flex 弹性布局实现瀑布流
flex实现瀑布流需要将最外层元素设置为display: flex，使用弹性布局
flex-flow:column wrap使其纵向排列并且换行换行设置
height: 100vh填充屏幕的高度，也可以设置为单位为px的高度，来容纳子元素。每一列的宽度可用
calc函数来设置，即width: calc(100%/3 - 20px)。分成等宽的3列减掉左右两遍的margin距离。
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>瀑布流布局-flex</title><style>.box {display: flex; flex-flow: column wrap;height: 100vh;}.item {margin: 10px;width: calc(100%/3 - 20px);}.item img{width: 100%;height:100%;}</style>
</head>
<body><div class="box"><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div><div class="item"><img src="./imgs/1.jpg" alt="1" /></div><div class="item"><img src="./imgs/2.jpg" alt="2" /></div><div class="item"><img src="./imgs/3.jpg" alt="3" /></div><div class="item"><img src="./imgs/1.jpg" alt="1" /></div></div>
</body>
</html>
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CSS实现瀑布流的两种方式
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