我想
添加“is_admin？”过滤到ActiveAdmin初始化程序.我应该在哪个
文件中定义“is_admin？”
方法？
# == Controller Filters
#
# You can add before,after and around filters to all of your
# Active Admin resources from here.
#
config.before_filter :is_admin?
在你的app / controllers / application_controller.rb中
