使用这个 gem,我可以从 Rails 运行 NodeJS Puppeteer:
https://github.com/Studiosity/grover
我正在尝试将 HTML 中的不同报告呈现为 PDF 文件,以便用户可以下载它们。
通过中间件执行此操作时,我有config/initializers/grover.rb
:
Grover.configure do |config|
view = ActionView::Base.new(ActionController::Base.view_paths, {})
header_template = view.render(:template => "pdf/_header", :layout => false, :spa => spa, :codigo => codigo)
footer_template = view.render(:template => "pdf/_footer", :layout => false, :doctitle => @doctitle, :spa => spa, :codigo => codigo, :page => page, :topage => topage)
config.options = {
display_url: Settings.corporativo,
format: 'A4',
margin: {
top: '0.8in',
bottom: '0.65in',
right: '0.45in',
left: '0.5in'
},
prefer_css_page_size: true, #Doesn't seem to work. Still the margins set here are the ones that rule.
display_header_footer: true,
header_template: header_template,
footer_template: footer_template,
print_background: true,
emulate_media: 'print',
cache: false,
timeout: 0
}
end
您知道如何将动态参数传递给这些模板吗?因为,据我所知,在初始化时间设置此模板会使它们保持静态...
在这里,我的模板之一_footer.html.haml
:
%footer{:style => "display:flex; justify-content: space-between; font-size:6px !important; width: calc(100% - 0.75in); margin: 0 auto;"}
%span.title
#description{:style => "text-align:center;font-size: 6px;"}
- if !@codigo.nil?
= raw t('pdfkit.footer_E')
- else
= raw t('pdfkit.footer')
.pageContainer
%span.pageNumber
= "/"
%span.totalPages