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<!DOCTYPE html> <html lang="en"> <head> <title>Bootstrap 实例</title> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.2/dist/js/bootstrap.bundle.min.js"></script> </head> <body> <div class="container mt-3"> <h1>有悬停效果的行</h1> <p>.table-hover 类在表格行上启用悬停状态（鼠标悬停时的灰色背景）：</p> <table class="table table-hover"> <thead> <tr> <th>Firstname</th> <th>Lastname</th> <th>Email</th> </tr> </thead> <tbody> <tr> <td>Bill</td> <td>Gates</td> <td>bill@example.com</td> </tr> <tr> <td>Steve</td> <td>Jobs</td> <td>steve@example.com</td> </tr> <tr> <td>Elon</td> <td>Musk</td> <td>elon@example.com</td> </tr> </tbody> </table> </div> </body> </html>