Ruby on rails 未定义的方法“to#i'；for:offstfsal:Symbol_Ruby On Rails_Ruby On Rails 4_Ruby On Rails 3.2_Ruby On Rails 3.1_Activeadmin

Ruby on rails 未定义的方法“to#i'；for:offstfsal:Symbol

ruby-on-rails ruby-on-rails-4 ruby-on-rails-3.2 ruby-on-rails-3.1

Ruby on rails 未定义的方法“to#i'；for:offstfsal:Symbol,ruby-on-rails,ruby-on-rails-4,ruby-on-rails-3.2,ruby-on-rails-3.1,activeadmin,Ruby On Rails,Ruby On Rails 4,Ruby On Rails 3.2,Ruby On Rails 3.1,Activeadmin,我正在获取错误未定义的方法“to_I”，用于：offsfsal:Symbol 在activeadmin中。看来我已经被移除了。任何建议都会有帮助 index :title => "Office Expenses" do selectable_column column "Staff Salary", :offstfsal column "Visa & Medical", :offstvimed column "Total" do |total

我正在获取错误未定义的方法“to_I”，用于：offsfsal:Symbol 在activeadmin中。看来我已经被移除了。任何建议都会有帮助

    index :title => "Office Expenses" do
    selectable_column
    column "Staff Salary", :offstfsal
    column "Visa & Medical", :offstvimed
    column "Total" do |total|
        :offstfsal.to_i + :offstvimed.to_i
    end

column "Total" do |model|
    model.offstfsal.to_i + model.offstvimed.to_i
end