視圖中查看哈希我有這樣的控制器動作:滑軌從控制器
@constr_num.each do |o|
as_oem = get_from_as_oem(o.ARL_SEARCH_NUMBER)
if as_oem.present?
oem_art << as_oem
end
end
@oem_art = oem_art.to_a.uniq
get_from_as_oem看起來是這樣的:
def get_from_as_oem(oem)
require 'mechanize'
*************************
html = page.body
doc = Nokogiri::HTML(html)
doc.encoding = 'utf-8'
rows = doc.search('//table[@id = "MainContent_GridView1"]//tr')
@details = rows.collect do |row|
detail = {}
[
[:car, 'td[1]/text()'],
[:article, 'td[2]/text()'],
[:group, 'td[3]/text()'],
[:price, 'td[4]/text()'],
].each do |name, xpath|
detail[name] = row.at_xpath(xpath).to_s.strip
end
detail
end
@details
end
在鑑於我寫:= @ oem_art我得到
[[{:car=>"", :article=>"", :group=>"", :price=>""}, {:car=>"Volkswagen", :article=>"1C0959799B 001", :group=>"STEUERG.", :price=>"274,22"}, {:car=>"Volkswagen", :article=>"1C0959799B 003", :group=>"STEUERG.", :price=>"274,22"}, {:car=>"Volkswagen", :article=>"1C0959799B 00E", :group=>"STEUERG.", :price=>"274,22"}, {:car=>"Volkswagen", :article=>"1C0959799B 00F", :group=>"STEUERG.", :price=>"274,22"}, {:car=>"Volkswagen",
etc...
所以我怎麼能看到它正常,像.each | c | c.car等...
不工作... – brabertaser19
未定義的方法'each_pair」爲#<陣列:0xa7a1ca0>所以它認爲它是數組O_o – brabertaser19
是的,它是一個散列數組的數組。使用each和each_pair解開它。詳細信息留給讀者。 –