orbit-4-1/app/views/devise/sessions/new.html.erb

      <div class="sign-in have-other-sign-in">

		<% flash.each do |key, msg| %>
			<%= content_tag :p, msg, :class => [key, "alert alert-error"] %>
		<% end %>

        
        <div class="form">
          <h3 class="login-logo"><%= t(:login) %></h3>
          <div class="other-sign-in">
            <% @request_hosts = request.host_with_port.split(".") %>
              <a class="btn btn-primary" type="submit" href="https://adfs.ntu.edu.tw/adfs/ls/?wa=wsignin1.0&wtrealm=https://cophlogin.ntu.edu.tw/saml_login&wctx=<%= @request_hosts[0] %>">使用計中帳號登入</a>
            <p>or</p>
          </div>
          <div class="form-block">
            <div class="form-list clearfix">
              <%= form_for resource, :as => resource_name, :url => session_path(resource_name), :html => {:class => 'content'} do |f| %>
                <div class="control-group clear">
                  <label for="user_email">
                    <i class="icon-user"></i>
                  </label>
				  <%= f.text_field :user_id, :placeholder => t("users.user_id") %>
                </div>
                <div class="control-group clear">
                  <label for="user_password">
                    <i class="icon-lock"></i>
                  </label>
                  <%= f.password_field :password, :placeholder => t(:dots) %>
                </div>
                <!-- <label class="checkbox">
                  <input type="checkbox" value="">
                  <small>Remember me</small>
                </label> -->
                <%= content_tag :button, t(:login), :type => :submit, :class => 'btn btn-primary' %>
              <% end %>

              <!-- <form class="content" accept-charset="UTF-8" action="/users/sign_in" method="post">
                <div class="control-group clear">
                  <label for="user_email">
                    <i class="icon-user"></i>
                  </label>
                  <input type="text" id="user_id" name="user[id]" placeholder="帳號" />
                </div>
                <div class="control-group clear">
                  <label for="user_password">
                    <i class="icons-mail"></i>
                  </label>
                  <input type="text" id="user_email" name="user[email]" placeholder="電子郵件" />
                </div>
                <button class="btn btn-primary" type="submit">Submit</button>
              </form> -->
            </div>
            <!-- <div class="switchboard"><span>Forgot Password ?</span> <i class="icons-arrow-left-2"></i></div> -->
          </div>
          <!-- <div class="register">
            <button class="btn btn-inverse" type="submit">Register</button>
          </div> -->

        </div>
      </div>