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Html 如何从二维数组中检索字符串_Html_Ruby On Rails_Ruby - Fatal编程技术网

Html 如何从二维数组中检索字符串

Html 如何从二维数组中检索字符串,html,ruby-on-rails,ruby,Html,Ruby On Rails,Ruby,我想从1中检索两个1,我该怎么做 注意:我想做[:two][1]你只想得到两个结果中的第一个ony:two?你说val=two和1是什么意思?正是我的意思,我传递了两个参数,即2,1或1,1 def foo(val) { one: [["one1", "1"]], two: [ ["two1", "1"], ["two2", "2"]], }[val] end def foo(v1, v2) hsh = { 'one' => [["

我想从1中检索两个1,我该怎么做


注意:我想做[:two][1]

你只想得到两个结果中的第一个ony:two?你说val=two和1是什么意思?正是我的意思,我传递了两个参数,即2,1或1,1
def foo(val)
{
  one: [["one1", "1"]],
  two: [
         ["two1", "1"],
         ["two2", "2"]],
}[val]
end
def foo(v1, v2)
  hsh = {
    'one' => [["one1", "1"]],
    'two' => [ ["two1", "1"],
         ["two2", "2"] ],
  }
  hsh[v1].select{|i| i[0] == (v1 + v2) && v2 == i[1] }.first.first
end