rails之webservice应用

 

 

错误：NoMethodError: undefined method `add_rpc_operation' for nil:

 

参考：http://fagiani.github.com/savon/

        http://rubydoc.info/gems/savon/0.7.9/Savon/WSDL

        http://www.tutorialspoint.com/ruby/ruby_web_services.htm

        http://www.winstonyw.com/2008/09/02/howto-use-ruby-soap4r/