Bootstrap图片

Bootstrap提供了四种应用于图片的class,分别是:
img-rounded 添加 border-radius:6px 来获得图片圆角
img-circle 添加 border-radius:50% 来让整个图片变成圆形
img-thumbnail 添加一些内边距(padding)和一个灰色的边框
img-responsive 图片响应式

1、img-rounded

<!doctype html>
<html lang="en">
<head>
	<!--网站编码格式,UTF-8 国际编码,GBK或 gb2312 中文编码-->
	<meta http-equiv="content-type" content="text/html;charset=utf-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge">
	<meta name="Keywords" content="关键词一,关键词二">
	<meta name="Description" content="网站描述内容">
	<meta name="Author" content="Yvette Lau">
	<meta name = "viewport" content = " width = device-width, initial-scale = 1 ">
	<title>BootstrapDemo</title>
	<!--css js 文件的引入-->
	<link rel="stylesheet" type="text/css" href="../bootstrap-3.3.5-dist/css/bootstrap.min.css">
</head>
	<body style="padding: 20px;">
	    <div class = "container">
	        <img src = "5.jpg" class="img-rounded" >      
	    </div>
	</body>
</html>


.img-rounded{border-radius:6px;}

效果:

Bootstrap图片_第1张图片

2、img-circle

<body style="padding: 20px;">
    <div class = "container">
        <img src = "5.jpg" class="img-circle" >      
    </div>
</body>

.img-circle{border-radius:50%;}

效果(因为本图片的宽高大小不同,所以呈现出椭圆,如果将width和height设置相同,那么会呈现出一个圆):

Bootstrap图片_第2张图片

3、img-thumbnail

<body style="padding: 20px;">
    <div class = "container">
        <img src = "5.jpg" class="img-thumbnail" > 
        <img src = "4.jpg" class="img-thumbnail" > 
		<img src = "3.jpg" class="img-thumbnail" > 
    </div>
</body>


.img-thumbnail{display:inline-block;max-width:100%;height:auto;padding:4px;line-height:1.42857143;

                  background-color:#FFF;border:1px solid #DDD;border-radius:4px;transition:all 0.2s ease-in-out;}

效果:

Bootstrap图片_第3张图片

4、img-responsize


<body style="padding: 20px;">
    <div class = "container" style = "width:150px;">
        <img src = "5.jpg" class="img-responsive" width="400px" >      
    </div>
</body>
.img-responsive{display:block;max-width:100%;height:auto;}

效果(img中的width属性值被忽略):
Bootstrap图片_第4张图片

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