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我正在使用 rails 3.2.8 为一个大学项目构建一个类似博客的网站，我想使用来自 twitter bootstrap 的模态框来实现一个不显眼的登录系统。我已经尝试了一些关于这个主题的教程，但到目前为止我还不能让它工作。在会话控制器中，我有这个：

session_controller.rb

class SessionsController < ApplicationController

def new
  respond_to do |format|
    format.html
    format.js
  end
end

# Handling authentication when user submits login form
# with authenticate method. If the authentication is
# successful stores a permanent or temporary cookie based
# on selection :remember_me with an authorization token
# and redirects to root_url with notice else displays
# alert and redirects to new
def create
    user = User.authenticate(params[:email], params[:password])
    if user
        if params[:remember_me]
            cookies.permanent[:auth_token] = user.auth_token
        else
            cookies[:auth_token] = user.auth_token
        end
        redirect_to root_url, :notice => "Logged in!"
    else
        flash.now.alert = "Invalid email or password"
        render "new"
    end
end

# Deleting cookie and redirecting to root_url on
# logout with notice
def destroy
    cookies.delete(:auth_token)
    redirect_to root_url, :notice => "Logged out!"
    end

end

在应用程序视图中，我创建了一个隐藏模式，其中应该呈现表单部分的内容以及a :remote => true登录链接

应用程序.html.erb

<div class="modal hide fade" id = "modal">
<div class="modal-body">
</div>
</div>
.
.
.
<%= link_to(log_in_path, :remote => true) do %>
<i class="icon-check"></i> Log in
<% end %>

最后在 /app/views/sessions 有 js 视图

新的.js.erb

$("#modal-body").html(<%= escape_javascript render(:partial => 'form')%>);
$('#modal').modal('show');

但不是在模态rails中显示登录表单，而是将我带到登录页面（new.html.erb）。谁能帮我这个？

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