Module: BarbyTools

Defined in:
lib/eric_tools/barby_tools.rb

Class Method Summary collapse

Class Method Details

.create_barcode(options) ⇒ Object

生成条码, 不支持utf-8, 比如中文. 支持参数:

content, 要转换的字符串
file_path, 要保存的文件路径(png)



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# File 'lib/eric_tools/barby_tools.rb', line 10

def self.create_barcode options
  barcode = Barby::Code128B.new(options[:content])
  blob = Barby::PngOutputter.new(barcode).to_png(:height => 20, :margin => 5)
  unless File.exist? options[:file_path]
    File.open(options[:file_path], 'wb'){|f|
      f.write blob.force_encoding("ISO-8859-1")   #在rails环境中,如果不encode,会报错
    }
  end
end

.create_qrcode(options) ⇒ Object

生成二维码. 支持中文支持参数:

content, 要转换的字符串
file_path, 要保存的文件路径(png)



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# File 'lib/eric_tools/barby_tools.rb', line 24

def self.create_qrcode options
  qrcode = Barby::QrCode.new(options[:content])
  blob = Barby::PngOutputter.new(qrcode).to_png(:height => 20, :margin => 5)
  unless File.exist? options[:file_path]
    File.open(options[:file_path], 'wb'){|f|
      f.write blob.force_encoding("ISO-8859-1")
    }
  end
end