Question

所以这是我正在使用的代码：

  @department_hash = {}
  department.css('li').each do | department |
    department_title = department.css('.refinementLink').text
    department_count = department.css('.narrowValue').text[/[\d,]+/]
    @department_hash[:department] ||= {}
    @department_hash[:department]["Pet Supplies"] ||= {}
    @department_hash[:department]["Pet Supplies"][department_title] = department_count
  end

产生类似这样的东西：

{：department =＆gt; {“Pet Supplies”=＆gt; {“”=＆gt; nil，“Birds”=＆gt;“15,863”， “Cats”=＆gt;“243,396”，“Dogs”=＆gt;“512,965”，“Fish＆amp; Aquatic Pets”=＆gt;“46,428”， “Horses”=＆gt;“14,738”，“Insects”=＆gt;“360”，“Reptiles＆amp; 两栖动物“=＆gt;”5,843“，”小动物“=＆gt;”19,871“}}}

但我想要的是产生这样的东西：

{：department =＆gt; {“Pet Supplies”=＆gt; [“”=＆gt; nil，“Birds”=＆gt;“15,863”， “Cats”=＆gt;“243,396”，“Dogs”=＆gt;“512,965”，“Fish＆amp; Aquatic Pets”=＆gt;“46,428”， “Horses”=＆gt;“14,738”，“Insects”=＆gt;“360”，“Reptiles＆amp; 两栖动物“=＆gt;”5,843“，”小动物“=＆gt;”19,871“]}}

我如何做到这一点？

修改

这个怎么样？这是有效的红宝石代码吗？

departments: { "Pet Supplies": [ "Birds" : 16651, "Cats" : 242910, etc ] }

Answer 1

你不能。

你能做的最好的事情就是这样：

{ foo: [ { key: :value }, { key: :value } ] }

这样做：

@department_hash = {}
  department.css('li').each do | department |
    department_title = department.css('.refinementLink').text
    department_count = department.css('.narrowValue').text[/[\d,]+/]
    @department_hash[:department] ||= {}
    @department_hash[:department]["Pet Supplies"] ||= []
    @department_hash[:department]["Pet Supplies"] << { key: :value } # replace with your own hash
  end 
end

如何将看起来像{{{}}}的哈希变成一个看起来像{{[{}}}的哈希？

1 个答案: