按名称调用方法

Question

有谁知道如何将方法称为字符串？例如:

case @setting.truck_identification
when "Make"
  t.make
when "VIN"
  t.VIN
when "Model"
  t.model
when "Registration"
  t.registration

.to_sym 似乎不起作用.

Answer 1

用途.send:

t.send @setting.truck_identification.downcase

(vin应该是小写的工作)