获取元素按属性 [英] Get Elements By Attributes

问题描述

我会很短。

据我所知的Watir库提供了获取HTML元素的两种方法。

As far as i know watir library provides two methods for getting html elements.

对于几乎提供的Watir两种方法的每个元素（DIV，按钮，表，里，等）：

Almost for each element (div, button, table, li, etc) watir provides two methods:

。一个是奇异的方法它获取只有一个特定的元素。例如：

. One is the 'singular' method which gets only one specific element. For example:

watir_instance.div(:id,'my_div_id')
watir_instance.link(:href,'my_link_href')
watir_instance.button(:class =>'my_button_class', :index => 4)

这些方法只检索一个元素。那好吧...

These methods will only retrieve A SINGLE ELEMENT. Thats ok...

。第二个是复数的方法，将获取的Watir实例的所有元素

. The second is the 'plural' method that will retrieve ALL the elements of the watir instance

watir_instance.divs
watir_instance.links
watir_instance.buttons

但据我所知的Watir没有提供一个方法来获得多个元素赋予一定的条件。

But as far as i know watir doesn't provide a method to get more than one element giving certain conditions.

例如...如果我想闪所有ID链接：my_link_id这将是很容易做这样的事情：

For example... If i want to flash all the links with id:my_link_id it would be very easy to do something like this:

watir_instance.divs(:id, 'my_link_id').each do |link|
  link.flash
end

使用角度来说，Hpricot这个任务是很容易的......但是如果你的目的不是要分析我找不到的Watir方法我想要做什么。

With hpricot this task is very easy... but if your aim is not to parse i couldn't find a Watir Method that does what i want.

希望你能理解我...

Hope you can understand me...

干杯，胡安!!

推荐答案

娟

你的脚本有几个问题：

• 您说你要闪所有链接，但你使用 watir_instance.divs 。它应该是 watir_instance.links


• 您将参数传递给的div 方法： watir_instance.divs（：身份证，my_link_id'）。它应该只是 watir_instance.divs

• You say you want to flash all links, but then you use watir_instance.divs. It should be watir_instance.links
• you pass arguments to divs method: watir_instance.divs(:id, 'my_link_id'). It should be just watir_instance.divs

您的例子也怪：

我要闪所有链接
  ID：my_link_id

i want to flash all the links with id:my_link_id

据我所知，ID应该是在页面独一无二的。

As far as I know, id should be unique at the page.

因此​​，这里有不同的例子：

So, here are different examples:

1）闪存此页面上的所有链接：

1) Flash all links on this page:

require "watir"
b = Watir::IE.start "http://stackoverflow.com/questions/1434697"
b.links.each do |link|
  link.flash
end

2）的Flash页面上的所有链接有问题在URL（奖金：滚动页面，这样闪烁的链接是可见的）：

2) Flash all links on this page that have questions in URL (bonus: scroll the page so the link that is flashed is visible):

require "watir"
b = Watir::IE.start "http://stackoverflow.com/questions/1434697"
b.links.each do |link|
  if link.href =~ /questions/
    link.document.scrollintoview
    link.flash
  end
end

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