47 lines
1.4 KiB
Ruby
Executable File
47 lines
1.4 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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ENV['RAILS_ENV'] = ARGV[0] || 'production'
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require File.dirname(__FILE__) + '/../config/environment'
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# referre to http://sublog.subimage.com/2007/05/29/html-css-to-pdf-using-ruby-on-rails
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class Prince
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attr_accessor :exe_path, :style_sheets
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def initialize
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@exe_path = 'prince'
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@style_sheets = ''
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end
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def add_style_sheets(*sheets)
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for sheet in sheets do
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@style_sheets << " -s #{RAILS_ROOT}/public/stylesheets/#{sheet}.css"
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end
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end
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def exe_path
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@exe_path << " --input=html"
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@exe_path << @style_sheets
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return @exe_path
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end
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def html_to_pdf(file)
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path = "tidy -f #{file}.tidy.log -utf8 --tidy-mark false #{file}.html|"
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path << " sed 's/font-family:[^;]*;//' | " # 去掉字体设置，防止乱码
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path << self.exe_path
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path << " --silent --log=#{file}.prince.log - -o - |"
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# 下面两行去除 prince logo 信息
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path << "sed '/Rect \\[555.2756 801.8898 580.2756 826.8898\\]/{N;N;N;N;N;N;N;N;N;N;s/.*/\\/Rect [-100 0 0 0]/}' |"
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path << "sed 's/555.2756 801.8898 580.2756 826.8898/-100 0 0 0/' |"
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path << "sed '/Producer/{s/.*/<</}' > #{file}.pdf"
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puts path
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`#{path}`
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end
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end
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PdfJob.find_all_by_completed_at(nil).each { |job|
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job.generate_html
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prince = Prince.new
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prince.add_style_sheets("pdf", "pdf_#{job.pdf_type}")
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prince.html_to_pdf("#{job.folder}#{job.file_name}")
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job.complete!
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} |