forked from jasder/forgeplus
40 lines
1.5 KiB
Ruby
40 lines
1.5 KiB
Ruby
|
module RenderExpand
|
|||
|
|
extend ActiveSupport::Concern
|
|||
|
|
|
|||
|
|
included do
|
|||
|
|
ActionController.add_renderer :pdf do |template, options|
|
|||
|
|
file = File.open(Rails.root.join('app/templates', template << '.html.erb'))
|
|||
|
|
html = ERB.new(file.read).result(binding)
|
|||
|
|
kit = PDFKit.new(html)
|
|||
|
|
|
|||
|
|
base_css = %w(app/templates/shared/main.css)
|
|||
|
|
base_css.each { |css| kit.stylesheets << Rails.root.join(css) }
|
|||
|
|
|
|||
|
|
Array.wrap(options.delete(:stylesheets)).each do |path|
|
|||
|
|
kit.stylesheets << Rails.root.join('app/templates', path)
|
|||
|
|
end
|
|||
|
|
|
|||
|
|
send_data kit.to_pdf, filename: options[:filename], disposition: options[:disposition] || 'attachment', type: 'application/pdf'
|
|||
|
|
end
|
|||
|
|
|
|||
|
|
|
|||
|
|
ActionController.add_renderer :exam_pdf do |template, options|
|
|||
|
|
file = File.open(Rails.root.join('app/templates', template << '.html.erb'))
|
|||
|
|
html = ERB.new(file.read).result(binding)
|
|||
|
|
kit = PDFKit.new(html)
|
|||
|
|
|
|||
|
|
# PDFKit初始化后再添加样式文件到stylesheets，会出现在页面的<!DOCTYPE>定义不起作用，文档模式为默认为BackCompat，从而导致katex不起作用
|
|||
|
|
# 而测试发现通过配置添加css样式文件不会有影响
|
|||
|
|
PDFKit.configure do |config|
|
|||
|
|
config.default_options = {
|
|||
|
|
:"user-style-sheet" => Rails.root.join('app/templates', options[:stylesheets])
|
|||
|
|
}
|
|||
|
|
end
|
|||
|
|
|
|||
|
|
send_data kit.to_pdf, filename: options[:filename], disposition: options[:disposition] || 'attachment', type: 'application/pdf'
|
|||
|
|
end
|
|||
|
|
end
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
end
|