我有一个登录表单的页面。登录后有一些重定向。第一个看起来像这样:
#<Mechanize::File:0x1f4ff23 @filename="MYL.html", @code="200", @response={"cache-control"=>"no-cache=\"set-cookie\"", "content-length"=>"114", "set-cookie"=>"JSESSIONID=GdJnPVnhtN91KZfQPc3QzM1NLCyWDsnyvpGg8LL0Knnz3RgqxLFs!1803804592!-2134626567; path=/; secure, COOKIE_TEST=Aslyn; secure", "x-powered-by"=>"Servlet/2.4 JSP/2.0"}, @body="\r\n<html>\r\n <head>\r\n <meta http-equiv=\"refresh\" content=\"0;URL=MYL?Select=OK&StateName=38\">\r\n </head>\r\n</html>", @uri=#<URI::HTTPS:0x16e1eff URL:https://www.manageyourloans.com/MYL?StateName=global_CALMLandingPage&GUID=D1704621-1994-E076-460A-10B2B682B960>>
所以当我在这里执行 page.class 时，我得到
Mechanize::File
如何将其转换为 Mechanize::Page？
@pguardiario
为了更好地解释，我将原始消息中的代码存储在页面中。
当我执行 page.class 时，我得到 Mechanize::File
然后我执行上面的代码:
agent = Mechanize.new
agent.post_connect_hooks << lambda {|http| http[:response].content_type = 'text/html'}
所以我这样做: agent.get(page.uri.to_s) 或事件尝试使用任何 url agent.get("https://www.manageyourloans.com/MYL ") 我收到错误: ArgumentError:参数数量错误(4 为 1)
我什至尝试过这个:
agent = Mechanize.new { |a|
a.post_connect_hooks << lambda { |_,_,response,_|
if response.content_type.nil? || response.content_type.empty?
response.content_type = 'text/html'
end
}
}
我的问题是一旦我这样做了，如何将上一页转换为 Mechanize::Page？
最佳答案
您可以通过获取文件对象中包含的正文并将其作为新页面的正文传递来将 Mechanize::File 转换为 Mechanize::Page:
irb(main):001:0> require 'mechanize'
true
irb(main):002:0> file = Mechanize::File.new(URI.parse('http://foo.com'),nil,File.read('foo.html'))
#<Mechanize::File:0x100ef0190
@full_path = false,
attr_accessor :body = "<html><body>foo</body></html>\n",
attr_accessor :code = nil,
attr_accessor :filename = "index.html",
attr_accessor :response = {},
attr_accessor :uri = #<URI::HTTP:0x100ef02d0
attr_accessor :fragment = nil,
attr_accessor :host = "foo.com",
attr_accessor :opaque = nil,
attr_accessor :password = nil,
attr_accessor :path = "",
attr_accessor :port = 80,
attr_accessor :query = nil,
attr_accessor :registry = nil,
attr_accessor :scheme = "http",
attr_accessor :user = nil,
attr_reader :parser = nil
>
>
首先，我创建了一个假的 Mechanize::File 对象，只是为了有一个供示例代码遵循。您可以在 :body 中看到它读取的文件内容。
当 Mechanize 无法确定真正的内容类型是什么时，它会创建一个 Mechanize::File 对象。
irb(main):003:0> page = Mechanize::Page.new(URI.parse('http://foo.com'),nil,file.body)
#<Mechanize::Page:0x100ed5e30
@full_path = false,
@meta_content_type = nil,
attr_accessor :body = "<html><body>foo</body></html>\n",
attr_accessor :code = nil,
attr_accessor :encoding = nil,
attr_accessor :filename = "index.html",
attr_accessor :mech = nil,
attr_accessor :response = {
"content-type" => "text/html"
},
attr_accessor :uri = #<URI::HTTP:0x100ed5ed0
attr_accessor :fragment = nil,
attr_accessor :host = "foo.com",
attr_accessor :opaque = nil,
attr_accessor :password = nil,
attr_accessor :path = "",
attr_accessor :port = 80,
attr_accessor :query = nil,
attr_accessor :registry = nil,
attr_accessor :scheme = "http",
attr_accessor :user = nil,
attr_reader :parser = nil
>,
attr_reader :bases = nil,
attr_reader :encodings = [
[0] nil,
[1] "US-ASCII"
],
attr_reader :forms = nil,
attr_reader :frames = nil,
attr_reader :iframes = nil,
attr_reader :labels = nil,
attr_reader :labels_hash = nil,
attr_reader :links = nil,
attr_reader :meta_refresh = nil,
attr_reader :parser = nil,
attr_reader :title = nil
>
irb(main):004:0> page.class
Mechanize::Page < Mechanize::File
只需传入文件对象的主体，然后让 Mechanize 转换为您知道的内容即可。
关于ruby-on-rails - 如何从 Mechanize::File 对象转换为 Mechanize::Page 对象？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/10286700/