image.png
- background实现
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
div.test{
width: 200px;
height: 200px;
margin: 50px;
float: left;
}
.test2{
background: url("https://upload-images.jianshu.io/upload_images/5809200-c82be83f96251f86.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240") no-repeat center/cover;
}
</style>
</head>
<body>
<!-- background -->
<div class="test2 test">
</div>
</body>
</html>
- img标签实现
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
div.test{
width: 200px;
height: 200px;
margin: 50px;
float: left;
}
.test1 img{
width: 200px;
height: 200px;
object-fit:cover;
}
</style>
</head>
<body>
<!-- object-fit -->
<div class="test1 test">
<img src="https://upload-images.jianshu.io/upload_images/5809200-c82be83f96251f86.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240" alt="">
</div>
</body>
</html>
- svg实现
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
svg{
width: 200px;
height: 200px;
margin: 50px;
float: left;
}
</style>
</head>
<body>
<!-- svg -->
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<image preserveAspectRatio="xMidYMid slice" x="0" y="0" width="100%" height="100%" xlink:href="https://upload-images.jianshu.io/upload_images/5809200-c82be83f96251f86.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240"/>
</svg>
</body>
</html>
codepen 中自己试试吧
