How to get the total number of pages of the existing pdf in rails?
如何获取rails中现有pdf的总页数？
1 个解决方案
#1
19
You can use pdf-reader (also available as a ruby gem). Usage is as simple as
您可以使用pdf-reader（也可用作ruby gem）。用法很简单
reader = PDF::Reader.new("somefile.pdf")
puts reader.page_count
#1
19
You can use pdf-reader (also available as a ruby gem). Usage is as simple as
您可以使用pdf-reader（也可用作ruby gem）。用法很简单
reader = PDF::Reader.new("somefile.pdf")
puts reader.page_count