使用Mechanize和Nokogiri登錄網站？

Question

我在使用我們的服務提供商登錄表單時遇到了一些困難。其他網站工作正常，但由於某種原因，我無法通過他們的登錄表單。

的網站登錄的是這樣的：

<form accept-charset="UTF-8" action="/sessions" class="new_user_session" id="new_user_session" method="post"><div style="margin:0;padding:0;display:inline"><input name="utf8" type="hidden" value="&#x2713;" /><input name="authenticity_token" type="hidden" value="kaLEkPesQfeheronzGTdfnVAzpuUiC+VmjVXBu540n8=" /></div> 

     <fieldset class="big"> 

     <div class="form-row"> 
     <div class="form-label"> 
     <label for="user_session_email">Email</label> 
     </div> 
     <div class="form-field"> 
     <input id="user_session_email" name="user_session[email]" size="30" type="text" /> 

     </div> 

     </div>   

     <div class="form-row"> 
     <div class="form-label"> 
     <label for="user_session_password">Password</label> 
     </div> 
     <div class="form-field"> 
     <input id="user_session_password" name="user_session[password]" size="30" type="password" /> 

     </div> 

     <div class="form-comment"><p><a href="/password_resets/new" class="link-password-recovery">Forgot your password?</a></p></div> 
     </div> 

     <div class="form-row optional"> 
      <div class="form-field"> 
      <label for="user_session_remember_me"><input name="user_session[remember_me]" type="hidden" value="0" /><input id="user_session_remember_me" name="user_session[remember_me]" type="checkbox" value="1" /> Remember me for 2 weeks</label> 
      </div> 

     </div> 

</fieldset> 

我曾嘗試使用相同的代碼，其他的其他網站登錄，但它不工作。

# Create a new mechanize object 
agent = Mechanize.new 

# Load the dial9 website 
page = agent.get("http://webapplication.co.uk") 

# Select the first form 
form = agent.page.forms.first 
form.username = 'username 
form.password = 'password' 

# Submit the form 
page = form.submit form.buttons.first 

我也嘗試登錄的不同方式提出其他SO questions/answers：

email = 'user@domain.com' 
password = 'password 

# Create a new mechanize object 
agent = Mechanize.new 

# Load the postmarkapp website 
page = agent.get("https://domain.com") 

# Select the first form 
form = agent.page.forms.first 
form.field_with(:email => "user_session_email").value = email 
form.field_with(:password => "user_session_password").value = password 

# Submit the form 
page = form.submit form.buttons.first 

使用這種身份驗證方法，我得到運行rake任務時的輸出如下：

undefined method `email' for [hidden:0x3fef2ab2b994 type: hidden name: utf8 value: ✓]:Mechanize::Form::Hidden 

經過仔細檢查，上述錯誤似乎是由於表單啓動後立即出現字段：

<form accept-charset="UTF-8" action="/sessions" class="new_user_session" id="new_user_session" method="post"><div style="margin:0;padding:0;display:inline"><input name="utf8" type="hidden" value="&#x2713;" /><input name="authenticity_token" type="hidden" value="kaLEkPesQfeheronzGTdfnVAzpuUiC+VmjVXBu540n8=" /></div> 

我錯過了什麼嗎？如果是這樣，什麼？任何指針都表示讚賞！

Answer 1

嘗試改變

form.field_with(:email => "user_session_email").value = email 
form.field_with(:password => "user_session_password").value = password 

到

form.field_with(:name => "user_session[email]").value = email 
form.field_with(:name => "user_session[password]").value = password