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feat: captcha_tag 的圖片url 提出 #1

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feat: captcha_tag 的圖片url 提出 #1

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5 changes: 4 additions & 1 deletion README.rdoc
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Original file line number Diff line number Diff line change
Expand Up @@ -119,11 +119,14 @@ It is strongly recommended to enable caching. You can see the three paramters wh
<% if request.post? %>
<p><%= valid_captcha?(params[:captcha]) ? 'valid' : 'invalid' %> captcha</p>
<% end %>
<p><%= captcha_tag %></p>
<p><%= captcha_tag( url , {}) %> </p>
<p><%= text_field_tag :captcha %></p>
<p><%= submit_tag 'Validate' %></p>
<% end %>

== captcha_tag裡的url 要將從被引用的專案使用
原因: 否則 environment/production.rb 設定 config.action_controller.asset_host 會讓 captcha_tag 帶入asset_host 而無法正常顯示

== Example app
You find an example app under: http://github.com/phatworx/easy_captcha_example

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6 changes: 3 additions & 3 deletions lib/easy_captcha/view_helpers.rb
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Expand Up @@ -2,10 +2,10 @@ module EasyCaptcha
# helper class for ActionView
module ViewHelpers
# generate an image_tag for captcha image
def captcha_tag(*args)
def captcha_tag(captcha_image_path = captcha_path(:i => Time.now.to_i), custom_options = {})
options = { :alt => 'captcha', :width => EasyCaptcha.image_width, :height => EasyCaptcha.image_height }
options.merge! args.extract_options!
image_tag(captcha_path(:i => Time.now.to_i), options)
options.merge! custom_options
image_tag(captcha_image_path , options)
end
end
end