Ruby 使用类从div的子元素中提取文本？_Ruby_Nokogiri

Ruby 使用类从div的子元素中提取文本？

ruby

Ruby 使用类从div的子元素中提取文本？,ruby,nokogiri,Ruby,Nokogiri,我有一个小Sinatra应用程序： app.rb: get '/' do # the first two lines are lifted directly from our previous script url = "http://www.nba.com/" data = Nokogiri::HTML(open(url)) # this line has only be adjusted slightly with the inclusion of an ampersand

我有一个小Sinatra应用程序：

app.rb:

get '/' do
  # the first two lines are lifted directly from our previous script
  url = "http://www.nba.com/"
  data = Nokogiri::HTML(open(url))

  # this line has only be adjusted slightly with the inclusion of an ampersand
  # before concerts.  This creates an instance variable that can be referenced
  # in our display logic (view).
  @headlines = data.css('#nbaAssistSkip')
  @top_stories = data.css('#nbaAssistSkip')

  # this tells sinatra to render the Embedded Ruby template /views/shows.erb
  erb :shows
end

<!DOCTYPE HTML>
<html lang="en-US">
<head>
  <meta charset="UTF-8">
  <title>Nokogiri App</title>
</head>
<body>
  <div>
  <h2><%= @headlines %></h2>
  <p><%= @top_stories %></p>
  </div>
</body>
</html>

show.erb:

get '/' do
  # the first two lines are lifted directly from our previous script
  url = "http://www.nba.com/"
  data = Nokogiri::HTML(open(url))

  # this line has only be adjusted slightly with the inclusion of an ampersand
  # before concerts.  This creates an instance variable that can be referenced
  # in our display logic (view).
  @headlines = data.css('#nbaAssistSkip')
  @top_stories = data.css('#nbaAssistSkip')

  # this tells sinatra to render the Embedded Ruby template /views/shows.erb
  erb :shows
end

<!DOCTYPE HTML>
<html lang="en-US">
<head>
  <meta charset="UTF-8">
  <title>Nokogiri App</title>
</head>
<body>
  <div>
  <h2><%= @headlines %></h2>
  <p><%= @top_stories %></p>
  </div>
</body>
</html>


Nokogiri应用程序

我是Nokogiri的新手，我想知道如何从

.nbaBreakingNews

div（例如NBA直播…）中的链接中提取文本：

并在我的模板中显示它们

（现在，我只知道如何从带有类和ID的html标记中提取文本）。

这些部分中的

元素是：

data.css('.nbaBreakingNewscv a')

这意味着从类为nbaBreakingNewscv的元素派生的任何

元素。要显示这些a
元素的文本，请执行以下操作：
data.css('.nbaBreakingNewscv a').each do |a|
  puts a.text
end