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이미지는 현대 웹 디자인에서 매우 일반적입니다. 따라서, 이미지 스타일을 설정하고 웹 페이지에 올바르게 배치하는 것은 사용자 경험을 개선하는 데 매우 중요합니다.
Bootstrap内置의 클래스를 사용하여 이미지 스타일을 쉽게 설정할 수 있습니다. 예를 들어, 둥글거나 둥근 이미지를 만들거나, 툴박스와 유사한 효과를 부여할 수 있습니다.
.rounded 类可以让图片显示圆角效果:
!DOCTYPE html> <html> <head> <title>Bootstrap 示例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js">/script> <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js">/script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js">/script> </head> <body> <div class="container"> <h2>圆角图片</h2> <p>.rounded 类可以让图片显示圆角效果:</p> <img src="https://ko.oldtoolbag.com/run/images/cinqueterre.jpg" class="rounded" alt="Cinque Terre" width="304" height="236"> </div> </body> </html>테스트를 보세요.‹/›
.rounded-circle 类可以设置椭圆形图片:
!DOCTYPE html> <html> <head> <title>Bootstrap 示例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js">/script> <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js">/script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js">/script> </head> <body> <div class="container"> <h2>椭圆图片</h2> <p>.rounded-circle 类可以设置椭圆形图片:</p> <img src="https://ko.oldtoolbag.com/run/images/cinqueterre.jpg" class="rounded-circle" alt="Cinque Terre"> </div> </body> </html>테스트를 보세요.‹/›
.img-thumbnail 类用于设置图片缩略图(图片有边框):
!DOCTYPE html> <html> <head> <title>Bootstrap 示例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js">/script> <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js">/script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js">/script> </head> <body> <div class="container"> <h2>缩略图</h2> <p>.img-thumbnail 类用于设置图片缩略图(图片有边框):</p> <img src="https://ko.oldtoolbag.com/run/images/cinqueterre.jpg" class="img-thumbnail" alt="Cinque Terre"> </div> </body> </html>테스트를 보세요.‹/›
使用 .float-right 类来设置图片右对齐,使用 .float-left 类设置图片左对齐:
!DOCTYPE html> <html> <head> <title>Bootstrap 示例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js">/script> <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js">/script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js">/script> </head> <body> <div class="container"> <h2>图片对齐方式</h2> <p>使用 .float-right 类来设置图片右对齐,使用 .float-left 类设置图片左对齐:</p> <img src="https://ko.oldtoolbag.com/run/images/paris.jpg" class="float-left"> <img src="https://ko.oldtoolbag.com/run/images/cinqueterre.jpg" class="float-right"> </div> </body> </html>테스트를 보세요.‹/›
图像有各种各样的尺寸,我们需要根据屏幕的大小自动适应。
我们可以通过在 <img> 标签中添加 .img-fluid 类来设置响应式图片。
.img-fluid 类设置了 max-width: 100%; 、 height: auto; :
!DOCTYPE html> <html> <head> <title>Bootstrap 示例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.staticfile.org/jquery/3.2.1/jquery.min.js">/script> <script src="https://cdn.staticfile.org/popper.js/1.15.0/umd/popper.min.js">/script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.3.1/js/bootstrap.min.js">/script> </head> <body> <div class="container"> <h2>반응형 이미지</h2> <p>.img-fluid 클래스는 반응형 이미지를 설정할 수 있으며, 브라우저 크기를 조정하여 효과를 확인하세요:</p> <img src="https://ko.oldtoolbag.com/run/images/paris.jpg" class="img-fluid"> </div> </body> </html>테스트를 보세요.‹/›