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imgsize.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="keywords" content="张小月,Redspite,web前端,响应式图片,图片比例固定,纯css响应式">
<meta name="description" content="RedSpite 纯css响应式图片尺寸比例固定 ">
<meta name="author" content="张小月,Redspite">
<title>RedSpite » 纯css响应式图片尺寸比例固定</title>
<link rel="stylesheet" href="css/bootstrap.min.css">
<link rel="stylesheet" href="css/syntaxy.light.min.css">
<link rel="stylesheet" href="css/base.css" type="text/css">
<link rel="stylesheet" href="css/style.css" type="text/css">
<!-- xiaoyuezhang.com Baidu tongji analytics -->
<script>
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "//hm.baidu.com/hm.js?f87e415f9d1f6111b1d34c5f96927d9b";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
</head>
<body>
<div class="content">
<div class=" container">
<div id="top">
<img src="image/top.png" alt="回到顶部">
</div>
<div class="header-box">
<img src="image/header.jpg" alt="我的头像">
</div>
<div class="center">
<p class="myid">RedSpite</p>
</div>
<div class="my-sort center">
<a href="index.html">简历</a>
<a href="drip.html">点滴</a>
<a href="message.html">留言</a>
</div>
<div id="artical-detail">
<h4>纯css响应式图片尺寸比例固定</h4>
<p>这段时间公司官网首页翻版,尝试了一直没写过的响应式布局,就这段时间写的几个响应式网页来看啊,bootstrap用得最多的就是12栅格布局了吧~</p>
<p>以前一直觉得页面的每一个代码都要自己手敲,现在倒是觉得自己傻了。。。</p>
<p>不扯闲话,响应式页面让人头疼的是图片大小怎么弄。</p>
<p>当能用的图片是从第三方引过来,我们不能控制图片的尺寸,而且图片大小还不能写成定值的时候,似乎只剩用js动态写一条路了,初期的我也是用了这个方法。</p>
<p>可是js写第一太麻烦不灵活,window.resize每次窗口缩放都要 运行一边代码,无疑这加重了浏览器负担。二是就算js写也是定值像素,图片会被压缩变形。</p>
<p>所幸找到用<strong> 纯css就能实现, 图片在响应式布局里,能保持规定尺寸比例 </strong>的方法,如下:</p>
<div id="photobox" class="col-md-12">
<div class="col-md-4">
<img src="image/s7.jpg" alt="配图测试">
</div>
</div>
<p><strong>原比例约为5:3,展示为1:1</strong></p>
<h5>Html:</h5>
<div class="code">
<pre class="codebox" data-type="blank">
<div id="imgbox">
<img src="image/s7.jpg" alt="配图测试">
</div>
</pre>
</div>
<h5>Css:</h5>
<div class="code">
<pre class="codebox" data-type="blank">
#imgbox{
width: 30%; /*图片宽度比例*/
padding-bottom: 30%; /*图片高度比例*/
height: 0;
overflow: hidden;
}
#imgbox img{
min-width:100%;
}
</pre>
</div>
<div class="flow">
<!-- UY BEGIN -->
<div id="uyan_frame" class="fl half"></div>
<script type="text/javascript" src="http://v2.uyan.cc/code/uyan.js?uid=2110329"></script>
<!-- UY END -->
<div class="half fr">
</div>
</div>
<p class="artical-detail-date">2016.09.21</p>
<p class="center beian">© RedSpite | <a href="http://www.miitbeian.gov.cn/publish/query/indexFirst.action">蜀ICP备16004270号</a></p>
</div>
</div>
</div>
<script src="js/jquery-1.11.1.min.js"></script>
<script src="js/syntaxy.min.js"></script>
<script src="js/myjs.js"></script>
<script>
$(document).ready(function () {
$(".header-box").addClass("fadein");
$("#artical-detail p").append("<br/><br/>");
});
</script>
<script>
(function(){
var bp = document.createElement('script');
var curProtocol = window.location.protocol.split(':')[0];
if (curProtocol === 'https') {
bp.src = 'https://zz.bdstatic.com/linksubmit/push.js';
}
else {
bp.src = 'http://push.zhanzhang.baidu.com/push.js';
}
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(bp, s);
})();
</script>
</body>
</html>