源代碼
點擊運行
<!DOCTYPE html> <html> <head> <title>Bootstrap 實例</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/4.1.0/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/1.12.5/umd/popper.min.js"></script> <script src="https://cdn.staticfile.org/twitter-bootstrap/4.1.0/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>表單控件: select</h2> <p>以下表單包含了兩個下拉菜單 (select 列表):</p> <form> <div class="form-group"> <label for="sel1">單選下拉菜單:</label> <select class="form-control" id="sel1"> <option>1</option> <option>2</option> <option>3</option> <option>4</option> </select> <br> <label for="sel2">多選下拉菜單(按住 shift 鍵,可以選取多個選項):</label> <select multiple class="form-control" id="sel2"> <option>1</option> <option>2</option> <option>3</option> <option>4</option> <option>5</option> </select> </div> </form> </div> </body> </html>
運行結果