Rails宝典七十八式：生成PDF文档

1，install

gem install pdf-writer

2，require & register

# environment.rb
require 'pdf/writer'
Mime::Type.register 'application/pdf', :pdf

3，use

# lib/product_drawer.rb
def self.draw(products)
  pdf = PDF::Writer.new
  products.each do |product|
    pdf.text product.name
  end
  pdf.render
end

# products_controller.rb
def index
  @products = Product.find(:all)
  respond_to do |format|
    format.html
    format.pdf do
      send_data ProductDrawer.draw(@products), :filename => 'products.pdf', :type => 'application/pdf', :disposition => 'inline'
    end
  end
end

# in view
<p><%= link_to 'PDF Format', formatted_products_path(:pdf) %></p>

# in browser
http://localhost:3000/products.pdf

评论

4 楼 blackanger 2008-01-24  

Mime::Type.register 'application/pdf', :pdf
这句应该放到controller里，要不无法工作
是不是和rails版本有关系，我用的是rails2.0.1

3 楼 blackanger 2008-01-24  

去看一下pdf-writer的manual就知道了

2 楼 jerry 2007-12-07  

如何解决pdf乱码问题？
比如pdf.text “测试"会乱码

1 楼 jerry 2007-12-07  

PDF::Writer的例子就是太少，搜了半天没有发现如何画一条线。