<div class="container">
<form action="/login/" enctype="multipart/form-data" method="post">
<label>Username</label>
<br>
<input name="username" type="username" >
<br>
<label>Password</label>
<br>
<input name="password" type="password" >
<br><br>
<input type="submit" value="登录">
</form>
</div> <!-- /container -->