编写一段内联、水平、垂直表单代码
一、基本表单（或垂直表单）
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>基本表单（或垂直表单）</title>
<link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.0/css/bootstrap.min.css">
</head>
<body>
<form action="" role="form">
<div class="form-group">
<label for="name">名称</label>
<input type="text" class="form-control" id="name" placeholder="请输入名称" />
</div>
<div class="form-group">
<label for="inputfile">文件输入</label>
<input type="file" id="inputfile" />
</div>
<div class="checkbox">
<label>
<input type="checkbox" />请打钩
</label>
</div>
<button type="submit" class="btn btn-default">提交</button>
</form>
</body>
</html>二、内联表单
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>内联表单</title>
<link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.0/css/bootstrap.min.css">
</head>
<body>
<form action="" role="form" class="form-inline">
<div class="form-group">
<label for="name" class="sr-only">名称</label>
<input type="text" class="form-control" id="name" placeholder="请输入名称" />
</div>
<div class="form-group">
<label for="inputfile" class="sr-only">文件输入</label>
<input type="file" id="inputfile" />
</div>
<div class="checkbox">
<label>
<input type="checkbox" />请打钩
</label>
</div>
<button type="submit" class="btn btn-default">提交</button>
</form>
</body>
</html>三、水平表单
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>水平表单</title>
<link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.0/css/bootstrap.min.css">
</head>
<body>
<form action="" role="form" class="form-horizontal">
<div class="form-group">
<label for="name" class="col-sm-2 control-label">名字</label>
<div class="col-sm-10">
<input type="text" class="form-control" id="firstname" placeholder="请输入名字" />
</div>
</div>
<div class="form-group">
<label for="inputfile" class="col-sm-2 control-label">姓</label>
<div class="col-sm-10">
<input type="text" class="form-control" id="lastname" placeholder="请输入姓" />
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<div class="checkbox">
<label>
<input type="checkbox" />请打钩
</label>
</div>
</div>
</div>
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<button type="submit" class="btn btn-default">提交</button>
</div>
</div>
</form>
</body>
</html>