印刷大虾生成pdf
使用prawn gem用于ruby-on-rails网页,是否可以向打印机设备发送打印请求以打印我用prawn生成的pdf页面?
看起来你想要使用虾印 。
# Open print dialog, but don't autoprint. pdf = Prawn::Document.new pdf.text "I installed Adobe Reader and all I got was this lousy printout." pdf.print # Autoprint it on the default printer, when opened. pdf = Prawn::Document.new pdf.text "Help! I am trapped in a PDF factory!" pdf.autoprint # Autoprint it on a printer where the name includes "LaserJet". pdf = Prawn::Document.new pdf.text "Help! I am trapped in a PDF factory!" pdf.autoprint "LaserJet"
- 停用Gem – “你已经激活了rake 0.9.3.beta.1,但我的Gemfile需要rake 0.9.2”
- Rails4和Devise(NoMethod错误)
- 如何安装json gem – 无法构建gem原生扩展
- Ruby on Rails中的多租户架构
- Carrierwave获取图像宽度和高度并将其存储在hstore字段中
- gem install rails ERROR:执行gem时…(Errno :: EACCES)
- Bundle说gem丢失了 – 但事实并非如此?
- 错误:无法构建gem本机扩展(ruby extconf.rb):Mac OSX
- 错误:安装mysql2时出错:错误:无法构建gem本机扩展