rails邮件发送、附件

  
CONTROLLER
def sebdemail
    @cad_employ=CadEmploy.find(params[:cad_employ_id])
    from = @cad_employ.cad_email.from
    employ =params[:cad_employ_id]
    recipient =params[:recevier]
    subject = params[:title] 
    message = params[:cad_email][:content]
      Emailer.deliver_contact(recipient, from, subject,employ, message)
      return if request.xhr?
      render :text => '邮件已发送成功'     
   end

MODEL
class Emailer < ActionMailer::Base
   def contact(recipient,from, subject, employ, message, sent_at = Time.now)
      @subject = subject   #标题
      @recipients = recipient  #接收者
      @from ='[e-mail]'   #发邮件人
      @sent_on = sent_at  #发送时间
      @body["message"] = message#信息
      @headers = {}
#发送附件
        @data = ""
          File.open("#{RAILS_ROOT}/public/play.jpg", "rb").each { |fp| @data<<fp }
         attachment :content_type =>"application/vnd.ms-excel",
         :filename => "play.jpg" ,
         :body => @data  
    end
end

ENVIROMENT

ActionMailer::Base.delivery_method = :smtp
ActionMailer::Base.smtp_settings = {
   :address => "***",
   :port => 25,
   :domain => "***"
#   :authentication => :login,
#   :user_name => "***",
#   :password => "***"
}

另外要加一个contact.html.erb传送模板。