Ruby模块化编程

class ThingYou
  def initialize( aName, aDescription )
    @name = aName
    @description = aDescription
  end
  def get_name
    return @name
  end
  def set_name( aName )
    @name = aName
  end
  def get_description
    return @description
  end

  def set_description( aDescription )
    @description = aDescription
  end
end
c = ThingYou.new("中软国际","华为")
print(c.get_name)
print(c.get_description)

中软国际华为

x = "hello world"
ablock = Proc.new { puts( x ) }
def foo2
  a = 100
  for b in [1,2,3] do
    c = b
    a = b
    print("a=#{a}, b=#{b}, c=#{c}\n")
  end
  print("Outside block: a=#{a}, b=#{b}, c=#{b}\n")
end
foo2

a=1, b=1, c=1
a=2, b=2, c=2
a=3, b=3, c=3
Outside block: a=3, b=3, c=3

localvar = "hello"
$globalvar = "goodbye"
def amethod
  localvar = 10
  puts( localvar )
  puts( $globalvar )
end
def anotherMethod
  localvar = 500
  $globalvar = "bonjour"
  puts( localvar )
  puts( $globalvar )
end
amethod
anotherMethod
puts(localvar)
puts($globalvar)

10
goodbye
500
bonjour
hello
bonjour

开发环境:Rubymine

The book of Ruby----A hands-on guide for the Adventurous---[美]Huw Collingbourne---no starch press