切换布局
显示结果
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap4 带有图标的警告框 - 迹忆客(jiyik.com)</title> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css"> <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js"></script> <style> .m-4{ margin: 20px; } </style> </head> <body> <div class="m-4"> <!-- Success Alert --> <div class="alert alert-success alert-dismissible d-flex align-items-center fade show"> <i class="bi-check-circle-fill"></i> <strong class="mx-2">Success!</strong> Your message has been sent successfully. <button type="button" class="close" data-dismiss="alert">×</button> </div> <!-- Error Alert --> <div class="alert alert-danger alert-dismissible d-flex align-items-center fade show"> <i class="bi-exclamation-octagon-fill"></i> <strong class="mx-2">Error!</strong> A problem has been occurred while submitting your data. <button type="button" class="close" data-dismiss="alert">×</button> </div> <!-- Warning Alert --> <div class="alert alert-warning alert-dismissible d-flex align-items-center fade show"> <i class="bi-exclamation-triangle-fill"></i> <strong class="mx-2">Warning!</strong> There was a problem with your network connection. <button type="button" class="close" data-dismiss="alert">×</button> </div> <!-- Info Alert --> <div class="alert alert-info alert-dismissible d-flex align-items-center fade show"> <i class="bi-info-circle-fill"></i> <strong class="mx-2">Info!</strong> Please read the comments carefully. <button type="button" class="close" data-dismiss="alert">×</button> </div> </div> </body> </html>
