我在合并多个 PDF 文件时遇到问题。
我正在使用 PrawnPDF 的“显示”操作生成 PDF。
我希望能够将多个选定的项目合并到一个 PDF 中。
我正在尝试使用combine_pdfgeam以这种方式解决它
def nested_jobs_multiply_pdf
pdf_file_paths = params[:items]
pdf_file_paths = pdf_file_paths.map! do |x|
x.to_s + ".pdf"
end
@pdfForms = CombinePDF.new
pdf_file_paths.each do |x|
@pdfForms << CombinePDF.parse(nested_job_path(x, format: "pdf"))
end
@pdfForms.save "combined.pdf"
flash[:notice] = "Combined PDF successful"
redirect_to nested_jobs_path
end
不幸的是,我收到错误
RuntimeError in NestedJobsController#nested_jobs_multiply_pdf
Unknown PDF parsing error - malformed PDF file?
Extracted source (around line #89):
87 @pdfForms = CombinePDF.new
88 pdf_file_paths.each do |x|
89 @pdfForms << CombinePDF.parse(nested_job_path(x, format: "pdf"))
90 end
91 @pdfForms.save "combined.pdf"
92
尝试一下是否有效:
pdf_file_paths.each do |path|
@pdfForms << CombinePDF.load(path) #path is relative path to pdf file stored locally like path/to/801.pdf
end