2018-4-20 seo達人
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最近學習了Flex布局，
以下是阮一峰老師關于Flex的博客 。在此感謝他讓我get一項新技能！
Flex實戰篇：http://www.ruanyifeng.com/blog/2015/07/flex-examples.html
1、色子數：1
思路：讓圓點（即子元素）在橫軸上居中在豎軸上居中，分別用justify-content和align-items
實現代碼：
思路：豎列布局且在主軸方向采用justify-content的兩端對齊布局，這樣兩個圓點會在左邊呈現，然后采用align-items讓其居中
實現代碼：
思路：用到align-self屬性讓第二個和第三個圓點有自己的屬性設置，分別在縱軸方向上居中和低端對齊
實現代碼：
思路：先豎著放兩行圓點，每行圓點里橫著放兩個圓點，所以最外層父元素設置align，里面的父元素設置justify-content
實現代碼：
實現代碼：
思路：跟四點的一樣，先豎放三行在每行橫放兩個圓點
實現代碼：
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style> *{ margin:0; padding:0; } body{ background:#000; } .main { width: 200px; height: 200px; background: #fff; border-radius: 20px; margin: 100px auto; padding: 25px; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; display: flex; justify-content: center; align-items:center; } .main >div{ width:40px; height:40px; background:#000; border-radius:40px; } </style>
</head>
<body>
<div class="main">
<div class="item"></div>
</div>
</body>
</html>
2、色子數：2
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style> *{ margin:0; padding:0; } body{ background:#000; } .main { width: 200px; height: 200px; background: #fff; border-radius: 20px; margin: 100px auto; padding: 25px; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; display: flex; flex-direction: column; justify-content: space-between; align-items:center; } .main >div{ width:40px; height:40px; background:#000; border-radius:40px; } </style>
</head>
<body>
<div class="main">
<div class="item"></div>
<div class="item"></div>
</div>
</body>
</html>
3、色子數：3
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style> *{ margin:0; padding:0; } body{ background:#000; } .main { width: 180px; height: 180px; background: #fff; border-radius: 20px; margin: 100px auto; padding: 25px; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; display: flex; } .main >div{ width:40px; height:40px; background:#000; border-radius:40px; } .item:nth-child(2){ align-self:center; } .item:nth-child(3){ align-self:flex-end; } </style>
</head>
<body>
<div class="main">
<div class="item"></div>
<div class="item"></div>
<div class="item"></div>
</div>
</body>
</html>
4、色子數：4
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style> *{ margin:0; padding:0; } body{ background:#000; } .main { width: 180px; height: 180px; background: #fff; border-radius: 20px; margin: 100px auto; padding: 25px; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; display: flex; flex-wrap:wrap; align-content:space-between; } .column >div{ width:40px; height:40px; background:#000; border-radius:40px; } .column{ flex-basis:100%; display:flex; justify-content: space-between; } </style>
</head>
<body>
<div class="main">
<div class="column">
<div class="item"></div>
<div class="item"></div>
</div>
<div class="column">
<div class="item"></div>
<div class="item"></div>
</div>
</div>
</body>
</html>
5、色子數：5
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style> *{ margin:0; padding:0; } body{ background:#000; } .main { width: 180px; height: 180px; background: #fff; border-radius: 20px; margin: 100px auto; padding: 25px; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; display: flex; flex-wrap:wrap; align-content:space-between; } .column > div{ width:40px; height:40px; background:#000; border-radius:40px; } .column{ flex-basis:100%; display:flex; justify-content: space-between; } .column:nth-child(2){ justify-content: center; } </style>
</head>
<body>
<div class="main">
<div class="column">
<div class="item"></div>
<div class="item"></div>
</div>
<div class="column">
<div class="item"></div>
</div>
<div class="column">
<div class="item"></div>
<div class="item"></div>
</div>
</div>
</body>
</html>
6、色子數：6
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<style> *{ margin:0; padding:0; } body{ background:#000; } .main { width: 180px; height: 180px; background: #fff; border-radius: 20px; margin: 100px auto; padding: 15px; -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; display: flex; align-content:space-between; flex-wrap:wrap; } .column > div{ width:40px; height:40px; background:#000; border-radius:40px; } .column{ flex-basis:100%; display:flex; justify-content: space-between; } </style>
</head>
<body>
<div class="main">
<div class="column">
<div class="item"></div>
<div class="item"></div>
</div>
<div class="column">
<div class="item"></div>
<div class="item"></div>
</div>
<div class="column">
<div class="item"></div>
<div class="item"></div>
</div>
</div>
</body>
</html>
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