Bootstrap垂直或基本形式

<form role = "form">

   <div class = "form-group">
      <label for = "name">Name</label>
      <input type = "text" class = "form-control" id = "name" placeholder = "Enter Name">
   </div>

   <div class = "form-group">
      <label for = "inputfile">File input</label>
      <input type = "file" id = "inputfile">
      <p class = "help-block">Example block-level help text here.</p>
   </div>

   <div class = "checkbox">
      <label><input type = "checkbox"> Check me out</label>
   </div>

   <button type = "submit" class = "btn btn-default">Submit</button>
</form>