<!DOCTYPE html>
<html lang="zh">
<head>
	<meta charset="UTF-8">
	<title></title>
	<style>
		html{
			background-color: antiquewhite;
		}
		.divContent{
			width:200px;
			height: 200px;
			border:1px solid #ff5857;
			overflow:hidden;
		}
		.divContent img{
			margin:0;
			padding:0;
			width:100%;
			height: 100%;
			object-fit: cover;//重要
		}
		.yuanImg{
			width:200px;
			height: auto;
		}
	</style>
</head>
<body>
	<p>图片一:长大于宽</p>
	<div class="divContent">
		<img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1592538352624&di=8ec5208316238c9c277a24ee4e7e0b19&imgtype=0&src=http%3A%2F%2Ft8.baidu.com%2Fit%2Fu%3D3875739708%2C3556750963%26fm%3D193">
	</div>
	<p>图片二:长小于宽</p>
	<div class="divContent">
		<img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1592538461942&di=b4705a70067b74eacf85863a2283d366&imgtype=0&src=http%3A%2F%2Ft7.baidu.com%2Fit%2Fu%3D3867756944%2C286475832%26fm%3D193">
	</div>
	<p>以下为图片原来的样子</p>
	<p class="yuanImg">
		<img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1592538352624&di=8ec5208316238c9c277a24ee4e7e0b19&imgtype=0&src=http%3A%2F%2Ft8.baidu.com%2Fit%2Fu%3D3875739708%2C3556750963%26fm%3D193">
	</p>
	<p class="yuanImg">
		<img src="https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1592538461942&di=b4705a70067b74eacf85863a2283d366&imgtype=0&src=http%3A%2F%2Ft7.baidu.com%2Fit%2Fu%3D3867756944%2C286475832%26fm%3D193">
	</p>
</body>
</html>

效果图如下:
在这里插入图片描述

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