wicked_pdf 不呈现标题 [英] wicked_pdf is not rendering header

问题描述

        render :pdf => "file_name",
                     :layout      => 'pdf.html.erb',
                     :template    => 'transactions/show.pdf.erb',
                      :wkhtmltopdf => WICKED_PDF_BIN,
                      :show_as_html => true,
                    :layout => 'pdf.html.erb',
                    :header => {:html => { :template => 'shared/header.pdf.erb'}}

PDF 生成正常，不幸的是我没有看到标题.我可以在主布局中粘贴标题，它也可以正常工作.在我看来，上面的标题行没有被处理.文件名 'header.pdf.erb' 似乎无关紧要.我可以将它指向一个不存在的文件，它不会引发任何错误.

PDF is generated fine, unfortunately I do not see the header. I can stick the header in the main layout and it works fine too. It seems to me that the header line above is not being processed. The filename 'header.pdf.erb' does not seem to matter. I can point it to a file that does not exist and it throws no error.

这是 Mac OS，Rails 3.2.1，ruby 1.9

This is Mac OS, Rails 3.2.1, ruby 1.9

推荐答案

您可能只想将模板呈现为字符串并将其分配给标题的内容.试试这个:

You may want to simply render the template as a string and assign it to the header's content. Try this out:

header: {
  content: render_to_string(template: 'header.pdf.haml')
}

对我来说效果很好.

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