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<!DOCTYPE html> <html> <head> <title>Bootstrap5 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.staticfile.net/twitter-bootstrap/5.1.1/js/bootstrap.bundle.min.js"></script> <style> .bd-placeholder-img { font-size: 1.125rem; text-anchor: middle; -webkit-user-select: none; -moz-user-select: none; user-select: none; } </style> </head> <body> <div class="container mt-3"> <svg class="bd-placeholder-img rounded-0" width="75" height="75" xmlns="https://www.w3.org/2000/svg" role="img" aria-label="Example non-rounded image: 75x75" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Example non-rounded image</title><rect width="100%" height="100%" fill="#868e96"></rect><text x="50%" y="50%" fill="#dee2e6" dy=".3em">75x75</text></svg> <svg class="bd-placeholder-img rounded-1" width="75" height="75" xmlns="https://www.w3.org/2000/svg" role="img" aria-label="Example small rounded image: 75x75" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Example small rounded image</title><rect width="100%" height="100%" fill="#868e96"></rect><text x="50%" y="50%" fill="#dee2e6" dy=".3em">75x75</text></svg> <svg class="bd-placeholder-img rounded-2" width="75" height="75" xmlns="https://www.w3.org/2000/svg" role="img" aria-label="Example default rounded image: 75x75" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Example default rounded image</title><rect width="100%" height="100%" fill="#868e96"></rect><text x="50%" y="50%" fill="#dee2e6" dy=".3em">75x75</text></svg> <svg class="bd-placeholder-img rounded-3" width="75" height="75" xmlns="https://www.w3.org/2000/svg" role="img" aria-label="Example large rounded image: 75x75" preserveAspectRatio="xMidYMid slice" focusable="false"><title>Example large rounded image</title><rect width="100%" height="100%" fill="#868e96"></rect><text x="50%" y="50%" fill="#dee2e6" dy=".3em">75x75</text></svg> </div> </body> </html>
运行结果：
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