3

我正在使用 ruby​​ mechanize gem 来自动提交表单并抓取结果。我有以下代码：

require 'mechanize'
require 'logger'

url = "http://www.cebupacificair.com/Pages/default.aspx"
agent = Mechanize.new do |agent| 
  agent.log = Logger.new(STDOUT)
  agent.follow_meta_refresh = true 
end
page = agent.get(url)

search_results = page.form_with(:name => 'aspnetForm') do |form|
  form['__EVENTARGUMENT'] = ''
  form['__EVENTTARGET'] = 'ControlGroupSearchView$AvailabilitySearchInputSearchView$LinkButtonNewSearch'
  form.radiobutton_with(:value => "RoundTrip").check
  form.field_with(:name => "ddOrigin").options_with(:value => "MNL").select
  form.field_with(:name => "ddDestination").options_with(:value => "SGN").select
  form.field_with(:name => "_depmonthyear").options_with(:value => "2013-02").select
  form.field_with(:name => "_depday").options_with(:value => "9").select
  form.field_with(:name => "_retmonthyear").options_with(:value => "2013-02").select
  form.field_with(:name => "_retday").options_with(:value => "11").select
  form.field_with(:name => "_adults").options_with(:value => "1").select
  form.field_with(:name => "_children").options_with(:value => "0").select
  form.field_with(:name => "_infants").options_with(:value => "0").select
end.click_button

puts search_results.body

当我运行上面的代码时，它会提交表单，但它不会重定向到我手动提交时被重定向的页面。这是日志：

Starting run ...
I, [2012-08-27T08:37:08.010661 #4] INFO -- : Net::HTTP::Get: /Pages/default.aspx
D, [2012-08-27T08:37:08.010794 #4] DEBUG -- : request-header: accept => */*
D, [2012-08-27T08:37:08.010825 #4] DEBUG -- : request-header: user-agent => Mechanize/2.3 Ruby/1.9.2...more
D, [2012-08-27T08:37:08.010849 #4] DEBUG -- : request-header: accept-encoding => gzip,deflate,identity
D, [2012-08-27T08:37:08.010873 #4] DEBUG -- : request-header: accept-charset => ISO-8859-1,utf-8;q=0.7,*;q=0.7
D, [2012-08-27T08:37:08.010898 #4] DEBUG -- : request-header: accept-language => en-us,en;q=0.5
D, [2012-08-27T08:37:08.010922 #4] DEBUG -- : request-header: host => www.cebupacificair.com
I, [2012-08-27T08:37:11.354481 #4] INFO -- : status: Net::HTTPOK 1.1 200 OK
D, [2012-08-27T08:37:11.354778 #4] DEBUG -- : response-header: cache-control => private, max-age=0
D, [2012-08-27T08:37:11.354869 #4] DEBUG -- : response-header: content-type => text/html; charset=utf-8
D, [2012-08-27T08:37:11.354945 #4] DEBUG -- : response-header: content-encoding => gzip
D, [2012-08-27T08:37:11.355017 #4] DEBUG -- : response-header: expires => Sun, 12 Aug 2012 08:37:09 GMT
D, [2012-08-27T08:37:11.355089 #4] DEBUG -- : response-header: last-modified => Mon, 27 Aug 2012 08:37:09 GMT
D, [2012-08-27T08:37:11.355161 #4] DEBUG -- : response-header: vary => Accept-Encoding
D, [2012-08-27T08:37:11.355232 #4] DEBUG -- : response-header: server => Microsoft-IIS/7.0
D, [2012-08-27T08:37:11.355313 #4] DEBUG -- : response-header: x-aspnet-version => 2.0.50727
D, [2012-08-27T08:37:11.355386 #4] DEBUG -- : response-header: x-powered-by => ASP.NET
D, [2012-08-27T08:37:11.355457 #4] DEBUG -- : response-header: microsoftsharepointteamservices => 12.0.0.6420
D, [2012-08-27T08:37:11.355528 #4] DEBUG -- : response-header: date => Mon, 27 Aug 2012 08:37:09 GMT
D, [2012-08-27T08:37:11.355599 #4] DEBUG -- : response-header: content-length => 19031
D, [2012-08-27T08:37:11.355668 #4] DEBUG -- : response-header: connection => close
D, [2012-08-27T08:37:11.355739 #4] DEBUG -- : response-header: set-cookie => MyCookie=8npRAWS5i10kju...more
D, [2012-08-27T08:37:11.356068 #4] DEBUG -- : Read 6698 bytes (6698 total)
D, [2012-08-27T08:37:11.356328 #4] DEBUG -- : Read 12333 bytes (19031 total)
D, [2012-08-27T08:37:11.356890 #4] DEBUG -- : gzip response
D, [2012-08-27T08:37:11.375285 #4] DEBUG -- : saved cookie: MyCookie=8npRAWS5i10kjuDl8xX/01gRq0obDLa...more
I, [2012-08-27T08:37:11.385797 #4] INFO -- : form encoding: utf-8
D, [2012-08-27T08:37:11.388509 #4] DEBUG -- : query: "MSOWebPartPage_PostbackSource=&MSOTlPn_Selecte...more
I, [2012-08-27T08:37:11.390797 #4] INFO -- : Net::HTTP::Post: /Pages/default.aspx
D, [2012-08-27T08:37:11.390897 #4] DEBUG -- : request-header: accept => */*
D, [2012-08-27T08:37:11.390927 #4] DEBUG -- : request-header: user-agent => Mechanize/2.3 Ruby/1.9.2...more
D, [2012-08-27T08:37:11.390966 #4] DEBUG -- : request-header: accept-encoding => gzip,deflate,identity
D, [2012-08-27T08:37:11.390991 #4] DEBUG -- : request-header: accept-charset => ISO-8859-1,utf-8;q=0.7,*;q=0.7
D, [2012-08-27T08:37:11.391015 #4] DEBUG -- : request-header: accept-language => en-us,en;q=0.5
D, [2012-08-27T08:37:11.391039 #4] DEBUG -- : request-header: cookie => MyCookie=8npRAWS5i10kjuDl8xX...more
D, [2012-08-27T08:37:11.391063 #4] DEBUG -- : request-header: host => www.cebupacificair.com
D, [2012-08-27T08:37:11.391095 #4] DEBUG -- : request-header: referer => http://www.cebupacificair.c...more
D, [2012-08-27T08:37:11.391123 #4] DEBUG -- : request-header: content-type => application/x-www-form...more
D, [2012-08-27T08:37:11.391146 #4] DEBUG -- : request-header: content-length => 13733
D, [2012-08-27T08:37:11.391170 #4] DEBUG -- : request-header: if-modified-since => Mon, 27 Aug 2012 ...more
I, [2012-08-27T08:37:19.039011 #4] INFO -- : status: Net::HTTPOK 1.1 200 OK
D, [2012-08-27T08:37:19.039252 #4] DEBUG -- : response-header: cache-control => private
D, [2012-08-27T08:37:19.039348 #4] DEBUG -- : response-header: content-type => text/html; charset=utf-8
D, [2012-08-27T08:37:19.039428 #4] DEBUG -- : response-header: content-encoding => gzip
D, [2012-08-27T08:37:19.039501 #4] DEBUG -- : response-header: vary => Accept-Encoding
D, [2012-08-27T08:37:19.039580 #4] DEBUG -- : response-header: server => Microsoft-IIS/7.0
D, [2012-08-27T08:37:19.039652 #4] DEBUG -- : response-header: x-aspnet-version => 2.0.50727
D, [2012-08-27T08:37:19.039725 #4] DEBUG -- : response-header: x-powered-by => ASP.NET
D, [2012-08-27T08:37:19.039798 #4] DEBUG -- : response-header: microsoftsharepointteamservices => 12.0.0.6420
D, [2012-08-27T08:37:19.039895 #4] DEBUG -- : response-header: date => Mon, 27 Aug 2012 08:37:17 GMT
D, [2012-08-27T08:37:19.040003 #4] DEBUG -- : response-header: content-length => 20962
D, [2012-08-27T08:37:19.040074 #4] DEBUG -- : response-header: connection => close
D, [2012-08-27T08:37:19.040338 #4] DEBUG -- : Read 6906 bytes (6906 total)
D, [2012-08-27T08:37:19.040605 #4] DEBUG -- : Read 14056 bytes (20962 total)
D, [2012-08-27T08:37:19.041137 #4] DEBUG -- : gzip response
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html __...more
Finished: 12.393 seconds elapsed
runfinished

有人知道我在这里想念什么吗？我是否需要为 mechanize 设置不同的设置来处理 asp 表单？

想法？

谢谢。

4

1 回答 1

2

尝试不同的方法。

如果它是它发出的发布请求。尝试手动发出该请求，而不是使用 Mechanizes 表单处理程序：

它提交的参数是：

__EVENTTARGET=ControlGroupSearchView%24AvailabilitySearchInputSearchView%24LinkButtonNewSearch
__EVENTARGUMENT=
__VIEWSTATE=
ControlGroupSearchView%24AvailabilitySearchInputSearchView%24RadioButtonMarketStructure=RoundTrip
ControlGroupSearchView%24AvailabilitySearchInputSearchView%24TextBoxMarketOrigin1=BWN
ControlGroupSearchView%24AvailabilitySearchInputSearchView%24TextBoxMarketDestination1=PEK
ControlGroupSearchView%24AvailabilitySearchInputSearchView%24DropDownListMarketDay1=11
ControlGroupSearchView%24AvailabilitySearchInputSearchView%24DropDownListMarketMonth1=2013-06
ControlGroupSearchView%24AvailabilitySearchInputSearchView%24DropDownListMarketDay2=11
ControlGroupSearchView%24AvailabilitySearchInputSearchView%24DropDownListMarketMonth2=2013-06
ControlGroupSearchView%24AvailabilitySearchInputSearchView%24DropDownListPassengerType_ADT=1
ControlGroupSearchView%24AvailabilitySearchInputSearchView%24DropDownListPassengerType_CHD=0
ControlGroupSearchView%24AvailabilitySearchInputSearchView%24DropDownListPassengerType_INFANT=0
ControlGroupSearchView%24AvailabilitySearchInputSearchView%24promoCodeID=

所以你可以做的是：

# 1. Get the frontpage to get the cookie set:
agent = Mechanize.new
page = agent.get(url)
# 2. The use .search helper to extract the inputs you might need
# 3. Submit the form by sending the postparams manually
result_page = agent.post("http://book.cebupacificair.com/Search.aspx?culture=en-us", {'__EVENTTARGET' => 'ControlGroupSearchView%24AvailabilitySearchInputSearchView%24LinkButtonNewSearch'}) # And of cause add the remaining params...

我相信这种方法对你有用......

于 2013-06-11T14:33:21.403 回答