最常见的表单文本字段是输入字段。用户将在此处输入大多数基本表单数据。Bootstrap支持所有本机HTML5输入类型： 文本，密码，日期时间，本地日期时间，日期，月份，时间，星期，数字，电子邮件，URL，搜索，电话和颜色。要使 输入具有完全样式，需要正确的 类型声明。
您可以尝试运行以下代码以了解如何使用Bootstrap中的表单输入
<!DOCTYPE html> <html> <head> <title>Bootstrap Form Input</title> <meta name = "viewport" content="width = device-width, initial-scale = 1"> <link rel = "stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css"> <script src = "https://cdn.staticfile.org/jquery/3.3.1/jquery.min.js"></script> <script src = "https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script> </head> <body> <form role = "form"> <div class = "form-group"> <label for = "name">Player</label> <input type = "text" class = "form-control" placeholder = "Player Name"> </div> <div class = "form-group"> <label for = "name">Rank</label> <input type = "text" class = "form-control" placeholder = "Player Rank"> </div> </form> </body> </html>