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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.org/twitter-bootstrap/5.1.1/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.staticfile.org/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}@media (min-width:768px){.bd-placeholder-img-lg{font-size:3.5rem}}.b-example-divider{height:3rem;background-color:rgba(0,0,0,.1);border:solid rgba(0,0,0,.15);border-width:1px 0;box-shadow:inset 0 .5em 1.5em rgba(0,0,0,.1),inset 0 .125em .5em rgba(0,0,0,.15)}.form-control-dark{color:#fff;background-color:var(--bs-dark);border-color:var(--bs-gray)}.form-control-dark:focus{color:#fff;background-color:var(--bs-dark);border-color:#fff;box-shadow:0 0 0 .25rem rgba(255,255,255,.25)}.bi{vertical-align:-.125em;fill:currentColor}.text-small{font-size:85%}.dropdown-toggle{outline:0}</style> </head> <body> <svg xmlns="http://www.w3.org/2000/svg" style="display: none;"> <symbol id="bootstrap" viewBox="0 0 118 94"> <title>Bootstrap</title> <path fill-rule="evenodd" clip-rule="evenodd" d="M24.509 0c-6.733 0-11.715 5.893-11.492 12.284.214 6.14-.064 14.092-2.066 20.577C8.943 39.365 5.547 43.485 0 44.014v5.972c5.547.529 8.943 4.649 10.951 11.153 2.002 6.485 2.28 14.437 2.066 20.577C12.794 88.106 17.776 94 24.51 94H93.5c6.733 0 11.714-5.893 11.491-12.284-.214-6.14.064-14.092 2.066-20.577 2.009-6.504 5.396-10.624 10.943-11.153v-5.972c-5.547-.529-8.934-4.649-10.943-11.153-2.002-6.484-2.28-14.437-2.066-20.577C105.214 5.894 100.233 0 93.5 0H24.508zM80 57.863C80 66.663 73.436 72 62.543 72H44a2 2 0 01-2-2V24a2 2 0 012-2h18.437c9.083 0 15.044 4.92 15.044 12.474 0 5.302-4.01 10.049-9.119 10.88v.277C75.317 46.394 80 51.21 80 57.863zM60.521 28.34H49.948v14.934h8.905c6.884 0 10.68-2.772 10.68-7.727 0-4.643-3.264-7.207-9.012-7.207zM49.948 49.2v16.458H60.91c7.167 0 10.964-2.876 10.964-8.281 0-5.406-3.903-8.178-11.425-8.178H49.948z"></path> </symbol> <symbol id="home" viewBox="0 0 16 16"> <path d="M8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4.5a.5.5 0 0 0 .5-.5v-4h2v4a.5.5 0 0 0 .5.5H14a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146zM2.5 14V7.707l5.5-5.5 5.5 5.5V14H10v-4a.5.5 0 0 0-.5-.5h-3a.5.5 0 0 0-.5.5v4H2.5z"/> </symbol> <symbol id="speedometer2" viewBox="0 0 16 16"> <path d="M8 4a.5.5 0 0 1 .5.5V6a.5.5 0 0 1-1 0V4.5A.5.5 0 0 1 8 4zM3.732 5.732a.5.5 0 0 1 .707 0l.915.914a.5.5 0 1 1-.708.708l-.914-.915a.5.5 0 0 1 0-.707zM2 10a.5.5 0 0 1 .5-.5h1.586a.5.5 0 0 1 0 1H2.5A.5.5 0 0 1 2 10zm9.5 0a.5.5 0 0 1 .5-.5h1.5a.5.5 0 0 1 0 1H12a.5.5 0 0 1-.5-.5zm.754-4.246a.389.389 0 0 0-.527-.02L7.547 9.31a.91.91 0 1 0 1.302 1.258l3.434-4.297a.389.389 0 0 0-.029-.518z"/> <path fill-rule="evenodd" d="M0 10a8 8 0 1 1 15.547 2.661c-.442 1.253-1.845 1.602-2.932 1.25C11.309 13.488 9.475 13 8 13c-1.474 0-3.31.488-4.615.911-1.087.352-2.49.003-2.932-1.25A7.988 7.988 0 0 1 0 10zm8-7a7 7 0 0 0-6.603 9.329c.203.575.923.876 1.68.63C4.397 12.533 6.358 12 8 12s3.604.532 4.923.96c.757.245 1.477-.056 1.68-.631A7 7 0 0 0 8 3z"/> </symbol> <symbol id="table" viewBox="0 0 16 16"> <path d="M0 2a2 2 0 0 1 2-2h12a2 2 0 0 1 2 2v12a2 2 0 0 1-2 2H2a2 2 0 0 1-2-2V2zm15 2h-4v3h4V4zm0 4h-4v3h4V8zm0 4h-4v3h3a1 1 0 0 0 1-1v-2zm-5 3v-3H6v3h4zm-5 0v-3H1v2a1 1 0 0 0 1 1h3zm-4-4h4V8H1v3zm0-4h4V4H1v3zm5-3v3h4V4H6zm4 4H6v3h4V8z"/> </symbol> <symbol id="people-circle" viewBox="0 0 16 16"> <path d="M11 6a3 3 0 1 1-6 0 3 3 0 0 1 6 0z"/> <path fill-rule="evenodd" d="M0 8a8 8 0 1 1 16 0A8 8 0 0 1 0 8zm8-7a7 7 0 0 0-5.468 11.37C3.242 11.226 4.805 10 8 10s4.757 1.225 5.468 2.37A7 7 0 0 0 8 1z"/> </symbol> <symbol id="grid" viewBox="0 0 16 16"> <path d="M1 2.5A1.5 1.5 0 0 1 2.5 1h3A1.5 1.5 0 0 1 7 2.5v3A1.5 1.5 0 0 1 5.5 7h-3A1.5 1.5 0 0 1 1 5.5v-3zM2.5 2a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3zm6.5.5A1.5 1.5 0 0 1 10.5 1h3A1.5 1.5 0 0 1 15 2.5v3A1.5 1.5 0 0 1 13.5 7h-3A1.5 1.5 0 0 1 9 5.5v-3zm1.5-.5a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3zM1 10.5A1.5 1.5 0 0 1 2.5 9h3A1.5 1.5 0 0 1 7 10.5v3A1.5 1.5 0 0 1 5.5 15h-3A1.5 1.5 0 0 1 1 13.5v-3zm1.5-.5a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3zm6.5.5A1.5 1.5 0 0 1 10.5 9h3a1.5 1.5 0 0 1 1.5 1.5v3a1.5 1.5 0 0 1-1.5 1.5h-3A1.5 1.5 0 0 1 9 13.5v-3zm1.5-.5a.5.5 0 0 0-.5.5v3a.5.5 0 0 0 .5.5h3a.5.5 0 0 0 .5-.5v-3a.5.5 0 0 0-.5-.5h-3z"/> </symbol> </svg> <main> <h1 class="visually-hidden">Headers examples</h1> <div class="container"> <header class="d-flex flex-wrap justify-content-center py-3 mb-4 border-bottom"> <a href="/" class="d-flex align-items-center mb-3 mb-md-0 me-md-auto text-dark text-decoration-none"> <svg class="bi me-2" width="40" height="32"><use xlink:href="#bootstrap"/></svg> <span class="fs-4">Simple header</span> </a> <ul class="nav nav-pills"> <li class="nav-item"><a href="#" class="nav-link active" aria-current="page">Home</a></li> <li class="nav-item"><a href="#" class="nav-link">Features</a></li> <li class="nav-item"><a href="#" class="nav-link">Pricing</a></li> <li class="nav-item"><a href="#" class="nav-link">FAQs</a></li> <li class="nav-item"><a href="#" class="nav-link">About</a></li> </ul> </header> </div> <div class="b-example-divider"></div> <div class="container"> <header class="d-flex justify-content-center py-3"> <ul class="nav nav-pills"> <li class="nav-item"><a href="#" class="nav-link active" aria-current="page">Home</a></li> <li class="nav-item"><a href="#" class="nav-link">Features</a></li> <li class="nav-item"><a href="#" class="nav-link">Pricing</a></li> <li class="nav-item"><a href="#" class="nav-link">FAQs</a></li> <li class="nav-item"><a href="#" class="nav-link">About</a></li> </ul> </header> </div> <div class="b-example-divider"></div> <div class="container"> <header class="d-flex flex-wrap align-items-center justify-content-center justify-content-md-between py-3 mb-4 border-bottom"> <a href="/" class="d-flex align-items-center col-md-3 mb-2 mb-md-0 text-dark text-decoration-none"> <svg class="bi me-2" width="40" height="32" role="img" aria-label="Bootstrap"><use xlink:href="#bootstrap"/></svg> </a> <ul class="nav col-12 col-md-auto mb-2 justify-content-center mb-md-0"> <li><a href="#" class="nav-link px-2 link-secondary">Home</a></li> <li><a href="#" class="nav-link px-2 link-dark">Features</a></li> <li><a href="#" class="nav-link px-2 link-dark">Pricing</a></li> <li><a href="#" class="nav-link px-2 link-dark">FAQs</a></li> <li><a href="#" class="nav-link px-2 link-dark">About</a></li> </ul> <div class="col-md-3 text-end"> <button type="button" class="btn btn-outline-primary me-2">Login</button> <button type="button" class="btn btn-primary">Sign-up</button> </div> </header> </div> <div class="b-example-divider"></div> <header class="p-3 bg-dark text-white"> <div class="container"> <div class="d-flex flex-wrap align-items-center justify-content-center justify-content-lg-start"> <a href="/" class="d-flex align-items-center mb-2 mb-lg-0 text-white text-decoration-none"> <svg class="bi me-2" width="40" height="32" role="img" aria-label="Bootstrap"><use xlink:href="#bootstrap"/></svg> </a> <ul class="nav col-12 col-lg-auto me-lg-auto mb-2 justify-content-center mb-md-0"> <li><a href="#" class="nav-link px-2 text-secondary">Home</a></li> <li><a href="#" class="nav-link px-2 text-white">Features</a></li> <li><a href="#" class="nav-link px-2 text-white">Pricing</a></li> <li><a href="#" class="nav-link px-2 text-white">FAQs</a></li> <li><a href="#" class="nav-link px-2 text-white">About</a></li> </ul> <form class="col-12 col-lg-auto mb-3 mb-lg-0 me-lg-3"> <input type="search" class="form-control form-control-dark" placeholder="Search..." aria-label="Search"> </form> <div class="text-end"> <button type="button" class="btn btn-outline-light me-2">Login</button> <button type="button" class="btn btn-warning">Sign-up</button> </div> </div> </div> </header> <div class="b-example-divider"></div> <header class="p-3 mb-3 border-bottom"> <div class="container"> <div class="d-flex flex-wrap align-items-center justify-content-center justify-content-lg-start"> <a href="/" class="d-flex align-items-center mb-2 mb-lg-0 text-dark text-decoration-none"> <svg class="bi me-2" width="40" height="32" role="img" aria-label="Bootstrap"><use xlink:href="#bootstrap"/></svg> </a> <ul class="nav col-12 col-lg-auto me-lg-auto mb-2 justify-content-center mb-md-0"> <li><a href="#" class="nav-link px-2 link-secondary">Overview</a></li> <li><a href="#" class="nav-link px-2 link-dark">Inventory</a></li> <li><a href="#" class="nav-link px-2 link-dark">Customers</a></li> <li><a href="#" class="nav-link px-2 link-dark">Products</a></li> </ul> <form class="col-12 col-lg-auto mb-3 mb-lg-0 me-lg-3"> <input type="search" class="form-control" placeholder="Search..." aria-label="Search"> </form> <div class="dropdown text-end"> <a href="#" class="d-block link-dark text-decoration-none dropdown-toggle" id="dropdownUser1" data-bs-toggle="dropdown" aria-expanded="false"> <img src="https://github.com/mdo.png" alt="mdo" width="32" height="32" class="rounded-circle"> </a> <ul class="dropdown-menu text-small" aria-labelledby="dropdownUser1"> <li><a class="dropdown-item" href="#">New project...</a></li> <li><a class="dropdown-item" href="#">Settings</a></li> <li><a class="dropdown-item" href="#">Profile</a></li> <li><hr class="dropdown-divider"></li> <li><a class="dropdown-item" href="#">Sign out</a></li> </ul> </div> </div> </div> </header> <div class="b-example-divider"></div> <header class="py-3 mb-3 border-bottom"> <div class="container-fluid d-grid gap-3 align-items-center" style="grid-template-columns: 1fr 2fr;"> <div class="dropdown"> <a href="#" class="d-flex align-items-center col-lg-4 mb-2 mb-lg-0 link-dark text-decoration-none dropdown-toggle" id="dropdownNavLink" data-bs-toggle="dropdown" aria-expanded="false"> <svg class="bi me-2" width="40" height="32"><use xlink:href="#bootstrap"/></svg> </a> <ul class="dropdown-menu text-small shadow" aria-labelledby="dropdownNavLink"> <li><a class="dropdown-item active" href="#" aria-current="page">Overview</a></li> <li><a class="dropdown-item" href="#">Inventory</a></li> <li><a class="dropdown-item" href="#">Customers</a></li> <li><a class="dropdown-item" href="#">Products</a></li> <li><hr class="dropdown-divider"></li> <li><a class="dropdown-item" href="#">Reports</a></li> <li><a class="dropdown-item" href="#">Analytics</a></li> </ul> </div> <div class="d-flex align-items-center"> <form class="w-100 me-3"> <input type="search" class="form-control" placeholder="Search..." aria-label="Search"> </form> <div class="flex-shrink-0 dropdown"> <a href="#" class="d-block link-dark text-decoration-none dropdown-toggle" id="dropdownUser2" data-bs-toggle="dropdown" aria-expanded="false"> <img src="https://github.com/mdo.png" alt="mdo" width="32" height="32" class="rounded-circle"> </a> <ul class="dropdown-menu text-small shadow" aria-labelledby="dropdownUser2"> <li><a class="dropdown-item" href="#">New project...</a></li> <li><a class="dropdown-item" href="#">Settings</a></li> <li><a class="dropdown-item" href="#">Profile</a></li> <li><hr class="dropdown-divider"></li> <li><a class="dropdown-item" href="#">Sign out</a></li> </ul> </div> </div> </div> </header> <div class="container-fluid pb-3"> <div class="d-grid gap-3" style="grid-template-columns: 1fr 2fr;"> <div class="bg-light border rounded-3"> <br><br><br><br><br><br><br><br><br><br> </div> <div class="bg-light border rounded-3"> <br><br><br><br><br><br><br><br><br><br> </div> </div> </div> <div class="b-example-divider"></div> <nav class="py-2 bg-light border-bottom"> <div class="container d-flex flex-wrap"> <ul class="nav me-auto"> <li class="nav-item"><a href="#" class="nav-link link-dark px-2 active" aria-current="page">Home</a></li> <li class="nav-item"><a href="#" class="nav-link link-dark px-2">Features</a></li> <li class="nav-item"><a href="#" class="nav-link link-dark px-2">Pricing</a></li> <li class="nav-item"><a href="#" class="nav-link link-dark px-2">FAQs</a></li> <li class="nav-item"><a href="#" class="nav-link link-dark px-2">About</a></li> </ul> <ul class="nav"> <li class="nav-item"><a href="#" class="nav-link link-dark px-2">Login</a></li> <li class="nav-item"><a href="#" class="nav-link link-dark px-2">Sign up</a></li> </ul> </div> </nav> <header class="py-3 mb-4 border-bottom"> <div class="container d-flex flex-wrap justify-content-center"> <a href="/" class="d-flex align-items-center mb-3 mb-lg-0 me-lg-auto text-dark text-decoration-none"> <svg class="bi me-2" width="40" height="32"><use xlink:href="#bootstrap"/></svg> <span class="fs-4">Double header</span> </a> <form class="col-12 col-lg-auto mb-3 mb-lg-0"> <input type="search" class="form-control" placeholder="Search..." aria-label="Search"> </form> </div> </header> <div class="b-example-divider"></div> <header> <div class="px-3 py-2 bg-dark text-white"> <div class="container"> <div class="d-flex flex-wrap align-items-center justify-content-center justify-content-lg-start"> <a href="/" class="d-flex align-items-center my-2 my-lg-0 me-lg-auto text-white text-decoration-none"> <svg class="bi me-2" width="40" height="32" role="img" aria-label="Bootstrap"><use xlink:href="#bootstrap"/></svg> </a> <ul class="nav col-12 col-lg-auto my-2 justify-content-center my-md-0 text-small"> <li> <a href="#" class="nav-link text-secondary"> <svg class="bi d-block mx-auto mb-1" width="24" height="24"><use xlink:href="#home"/></svg> Home </a> </li> <li> <a href="#" class="nav-link text-white"> <svg class="bi d-block mx-auto mb-1" width="24" height="24"><use xlink:href="#speedometer2"/></svg> Dashboard </a> </li> <li> <a href="#" class="nav-link text-white"> <svg class="bi d-block mx-auto mb-1" width="24" height="24"><use xlink:href="#table"/></svg> Orders </a> </li> <li> <a href="#" class="nav-link text-white"> <svg class="bi d-block mx-auto mb-1" width="24" height="24"><use xlink:href="#grid"/></svg> Products </a> </li> <li> <a href="#" class="nav-link text-white"> <svg class="bi d-block mx-auto mb-1" width="24" height="24"><use xlink:href="#people-circle"/></svg> Customers </a> </li> </ul> </div> </div> </div> <div class="px-3 py-2 border-bottom mb-3"> <div class="container d-flex flex-wrap justify-content-center"> <form class="col-12 col-lg-auto mb-2 mb-lg-0 me-lg-auto"> <input type="search" class="form-control" placeholder="Search..." aria-label="Search"> </form> <div class="text-end"> <button type="button" class="btn btn-light text-dark me-2">Login</button> <button type="button" class="btn btn-primary">Sign-up</button> </div> </div> </div> </header> <div class="b-example-divider"></div> </main> </body> </html>
运行结果：