temp_file = 'path/to/file.csv'
users = [a@b.c,c@b.a]

CSV.open(temp_file,"w") do |csv|
  csv << data_for_report
end

Reports.sendreport users temp_file

File.delete(temp_file)

Reports.sendreport附加一个文件并发送一封电子邮件,所以它需要一个文件…@H_502_5@