<div class="ui attached segment"> <div class="required inline field "> <label for="user_name">用户名或邮箱</label> <input id="user_name" name="user_name" value="" autofocus="" required=""> </div> <div class="required inline field "> <label for="password">密码</label> <input id="password" name="password" type="password" autocomplete="off" value="" required=""><!-- 密码表单 --> </div> <div class="inline field"> <label></label> <button class="ui green button">登录</button> </div> </div>