href 虽然我遵循了路径,但不想打印出来
href does not want to get printed although I followed the path
我想在网页中输入一个link。这是它在 inspect 元素中的位置:
如您所见,要到达中的link,我必须经过:
1) < div class = "container" >
2)
3) < div class="tabbable tabs-left" >
4) < ul class ="导航...>
有很多
,通常我想收集class可见phone的hrefs。我的代码不打印任何内容。我做错了什么??
agent = Mechanize.new
page = agent.get('http://openie.allenai.org/search?arg1=&rel=contains&arg2=antioxidant&corpora=')
array = page.search('//body/div[@id="result-content"]/div[@class="tabbable tabs-left"]/ul[@class="nav nav-tabs"]/li[@class="visible-phone"]/a').each do |x|
puts x['href']
end
对我有用,你也可以试试;)
array = page.search('//*[@class="visible-phone"]/a').each { |i|
puts i['href']
}
更新:
first_link_page = page.link_with(:href => array.first['href']).click
UPD2:
array = page.search('//*[@class="visible-phone"]/a')
first_link_page = page.link_with(:href => array.first['href']).click
我想在网页中输入一个link。这是它在 inspect 元素中的位置:
1) < div class = "container" >
2)
3) < div class="tabbable tabs-left" >
4) < ul class ="导航...>
有很多
agent = Mechanize.new
page = agent.get('http://openie.allenai.org/search?arg1=&rel=contains&arg2=antioxidant&corpora=')
array = page.search('//body/div[@id="result-content"]/div[@class="tabbable tabs-left"]/ul[@class="nav nav-tabs"]/li[@class="visible-phone"]/a').each do |x|
puts x['href']
end
对我有用,你也可以试试;)
array = page.search('//*[@class="visible-phone"]/a').each { |i|
puts i['href']
}
更新:
first_link_page = page.link_with(:href => array.first['href']).click
UPD2:
array = page.search('//*[@class="visible-phone"]/a')
first_link_page = page.link_with(:href => array.first['href']).click