$("#export-quote-button").click(function(){
  var encoded = $.param(getQuoteParams(), true);
  var url = "/quotes/tran_stats/export_search_result?" + encoded;
  window.location = url;
});

def export_search_result
    require 'spreadsheet'
    require 'stringio'
    Spreadsheet.client_encoding = 'UTF-8'
    book = Spreadsheet::Workbook.new
    sheet1 = book.create_worksheet
    #YOUR DATA PROCESSOR HERE
    file_name = "abc.xls"
    spreadsheet = StringIO.new
    book.write spreadsheet
    send_data(spreadsheet.string, :filename => file_name,
              :type => "application/vnd.ms-excel")
end