Rails，我需要解码Base64压缩的pdf文件

Question

I need to decode base64 ziped pdf file and write decoded data to a tempfile . And need to save it on over local file system.in rails.

Answer 1

decoded_data=Base64.decode64(encoded_data)
file_name = "test.zip"
temp_file = Tempfile.new("filename-#{Time.now}")
File.open(temp_file, 'wb') {|f| f.write(decoded_data)}
send_file temp_file.path, :type => 'application/zip', :filename => file_name