引导程序中的响应图像示例
原文:https://www . geesforgeks . org/responsive-images-in-bootstrap-with-examples/
Bootstrap 为图像提供了不同的类别,以使它们的外观更好,并使它们更具响应性。使图像响应意味着它应该根据其父元素进行缩放。也就是说,图像的大小不应该溢出其父图像,并且将根据其父图像大小的变化而增长和缩小,而不会失去其纵横比。 Bootstrap 中可用于映像的不同类别解释如下:
- 。img 响应类:Bootstrap 中的响应镜像是通过添加创建的。img 响应类到 img 标签。img 响应等级适用于:最大宽度:100% | 高度:自动 | 显示:将阻挡在图像上。
超文本标记语言
<!DOCTYPE html>
<html>
<head>
<!-- Link Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<!-- Link Bootstrap JS and JQuery -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h1>Responsive Image </h1>
<br>
<h3>.img-responsive class</h3>
<p>
Change the size of the browser window
to see effect
</p>
<img src="https://media.geeksforgeeks.org/wp-content/uploads/GG-2.png"
class="img-responsive" alt="Responsive image"
width="307" height="240" />
</div>
</body>
</html>
- 输出:
- 。img-流体类别:添加。要标记的流体类别。。img-fluid 等级适用:最大宽度:100% | 高度:自动到图像上。
超文本标记语言
<!DOCTYPE html>
<html>
<head>
<!-- Link Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<!-- Link Bootstrap JS and JQuery -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h3>.img-fluid class</h3>
<p>
Change the size of the browser window
to see effect.
</p>
<img src="https://media.geeksforgeeks.org/wp-content/uploads/GG-2.png"
class="img-fluid" alt="Responsive Image"
width="307" height="240" />
</div>
</body>
</html>
- 输出:
- 。img-圆角类:图像 arw 的圆角。 img-rounded 级。(IE8 不支持圆角。)
超文本标记语言
<!DOCTYPE html>
<html>
<head>
<!-- Link Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<!-- Link Bootstrap JS and JQuery -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h3>.img-rounded class</h3>
<p>Rounded Corners</p>
<img src="https://media.geeksforgeeks.org/wp-content/uploads/GG-2.png"
class="img-rounded" alt="Responsive Image"
width="307" height="240" />
</div>
</body>
</html>
- 输出:
- 。img-circle 类:图像的形状由做成圆形。img-circle 类。(IE8 不支持圆角。)
超文本标记语言
<!DOCTYPE html>
<html>
<head>
<!-- Link Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<!-- Link Bootstrap JS and JQuery -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h3>.img-circle class </h3>
<p>Circle</p>
<img src="https://media.geeksforgeeks.org/wp-content/uploads/GG-2.png"
class="img-circle" alt="Responsive Image"
width="307" height="240" />
</div>
</body>
</html>
- 输出:
- 。img-缩略图类:缩略图的形状是由完成的。img-缩略图类。
超文本标记语言
<!DOCTYPE html>
<html>
<head>
<!-- Link Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<!-- Link Bootstrap JS and JQuery -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h3>.img-thumbnail class</h3>
<p>Thumbnail</p>
<img src="https://media.geeksforgeeks.org/wp-content/uploads/GG-2.png"
class="img-thumbnail" alt="Responsive Image"
width="307" height="240">
</body>
</html>
- 输出:
支持的浏览器:
- 谷歌 Chrome
- 微软公司出品的 web 浏览器
- 火狐浏览器
- 歌剧
- 狩猎
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