Nokogiri 帮助没有空格

发布于 2025-01-01 03:36:51 字数 542 浏览 1 评论 0原文

我有以下代码：

#/usr/bin/env ruby
require 'rubygems'
require 'nokogiri'
require 'open-uri'
require 'cora'
require 'eat'
#require 'timeout'

doc = Nokogiri::HTML(open("http://mobile.bahn.de/bin/mobil/bhftafel.exe/dox?input=Richard-Strauss-Stra%DFe%2C+M%FCnchen%23625127&date=27.01.12&time=20%3A41&productsFilter=1111111111000000&REQTrain_name=&maxJourneys=10&start=Suchen&boardType=Abfahrt&ao=yes"))
doc = doc.xpath('//div').each do |node|
  puts node.content
end

如何删除 p 标签和空格？

原文

i have the following code:

#/usr/bin/env ruby
require 'rubygems'
require 'nokogiri'
require 'open-uri'
require 'cora'
require 'eat'
#require 'timeout'

doc = Nokogiri::HTML(open("http://mobile.bahn.de/bin/mobil/bhftafel.exe/dox?input=Richard-Strauss-Stra%DFe%2C+M%FCnchen%23625127&date=27.01.12&time=20%3A41&productsFilter=1111111111000000&REQTrain_name=&maxJourneys=10&start=Suchen&boardType=Abfahrt&ao=yes"))
doc = doc.xpath('//div').each do |node|
  puts node.content
end

How can i remove the p-tags and spaces?

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软糯酥胸 2025-01-08 03:36:51

以下是您可能想要的猜测：

require 'nokogiri'
require 'open-uri'
doc = Nokogiri::HTML(open("http://mobile.bahn.de/bin/mobil/bhftafel.exe/dox?input=Richard-Strauss-Stra%DFe%2C+M%FCnchen%23625127&date=27.01.12&time=20%3A41&productsFilter=1111111111000000&REQTrain_name=&maxJourneys=10&start=Suchen&boardType=Abfahrt&ao=yes"))
doc.xpath('//div//p').remove
doc = doc.xpath('//div').each do |node|
  text = node.text.gsub(/\n([ \t]*\n)+/,"\n").gsub(/^\s+|\s+$/,'')
  puts text unless text.empty?
end

这将从文档中删除所有

元素，然后从文本中删除所有空行以及前导和尾随空格。最后，如果结果是空字符串，它不会打印文本。

编辑：要为日期创建变量，请将以上内容包装在函数中，并使用字符串插值来构造 URL。例如：

require 'nokogiri'
require 'open-uri'
def get_data( date )
  date_string = date.strftime('%d-%m-%y')
  url = "http://mobilde.bahn.de/…more…#{date_string}…more…"
  doc = Nokogiri::HTML(open(url))
  # more code from above
end

Here's a guess at what you might want:

require 'nokogiri'
require 'open-uri'
doc = Nokogiri::HTML(open("http://mobile.bahn.de/bin/mobil/bhftafel.exe/dox?input=Richard-Strauss-Stra%DFe%2C+M%FCnchen%23625127&date=27.01.12&time=20%3A41&productsFilter=1111111111000000&REQTrain_name=&maxJourneys=10&start=Suchen&boardType=Abfahrt&ao=yes"))
doc.xpath('//div//p').remove
doc = doc.xpath('//div').each do |node|
  text = node.text.gsub(/\n([ \t]*\n)+/,"\n").gsub(/^\s+|\s+$/,'')
  puts text unless text.empty?
end

This removes all <p> elements from the document and then removes all blank lines and leading and trailing whitespace from the text. In the end, it does not print the text if the result was an empty string.

Edit: To make a variable for the date, wrap the above in a function and use string interpolation to construct your URL. For example:

require 'nokogiri'
require 'open-uri'
def get_data( date )
  date_string = date.strftime('%d-%m-%y')
  url = "http://mobilde.bahn.de/…more…#{date_string}…more…"
  doc = Nokogiri::HTML(open(url))
  # more code from above
end

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