Bootstrap内联表单
要创建一个表单，其中所有元素都是内联，左对齐并且标签在旁边，请将类.form-inline添加到<form>标记中。
您可以尝试运行以下代码在Bootstrap中创建内联表单-
示例
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap Example</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 class = "form-inline" role = "form">
<div class = "form-group">
<label class = "sr-only" for = "name">Full Name</label>
<input type = "text" class = "form-control" id = "name" placeholder = "Enter Full Name">
</div>
<div class = "form-group">
<label class = "sr-only" for = "inputfile">File input</label>
<input type = "file" id = "inputfile">
</div>
<div class = "checkbox">
<label><input type = "checkbox"> Check me out</label>
</div>
<button type = "submit" class = "btn btn-default">Submit</button>
</form>
</body>
</html>