ruby利用webrick服务器将excel内容发到浏览器中

require 'rubygems'require 'webrick'require 'win32ole'#实现读excel的类class Excel  attr:excel   attr:usecase  def open(filename,sheetname)    begin    @excel = WIN32OLE.new('excel.application')    @[email protected](filename)    @usecase = @workbook.WorkSheets(sheetname)    rescue  WIN32OLERuntimeError      raise "#{$!.to_s}"        end  end    def show    return @usecase.Range("A1:Z10")['value']  end    def close    @workbook.close(true)    @workbook = nil    @excel.quit()    @excel = nil    GC.start  endend    #实现一个页面，继承abstractservlet 类class WebForm  # 实现对对浏览器的GET方法     def do_GET(request, response)    status, content_type, body = print_questions(request)     response.status = status    response['Content-Type'] = content_type    response.body = body  end   # Construct the return HTML page  def print_questions(request)    html   = ""    html += "Name: ";    html += "Name: ";  str = on three"abcdefEOThtml +=str.to_s    html += ""    @@m = html    return 200, "text/html", html  endend#实现另一个个页面class PersistAnswers #实现POST方法   def do_POST(request, response)    status, content_type, body = save_answers(request)    response.status = status    response['Content-Type'] = content_type    response.body = body  end   # Save POST request into a text file  def save_answers(request)  ex=Excel.new  ex.open("c:/xx.txt.xls","sheet1")  new = ex.show    str = EOT   new.each  { |neweach|    neweach.delete(nil)      neweach   }  str=new.join("")  puts str  ex.close    # Return OK (200), content-type: text/plain, and a plain-text "Saved! Thank you." notice    return 200, "text/html", str  endendif $0 == __FILE__ then  server = WEBrick::HTTPServer.new(:Port => 8000)  server.mount "/questions", WebForm  server.mount "/save", PersistAnswers  trap "INT" do server.shutdown end  server.startend