问如何在控制器之间发送数据

EN

我想知道如何在休息服务中将数据从一个RequestMethod.POST发送到另一个RequestMethod.POST。

我想从Orgin和Departure do / connect发送数据，后端发生并显示结果，

我想过用数据库做这件事，但我认为这是不正确的。

我使用thymeleaf从用户那里获取数据。

请帮忙

@RequestMapping(value = "/Orgin", method = RequestMethod.GET) public ModelAndView orgin() { return new ModelAndView("Orgin.html", "FlightDTO", new FlightDTO()); } @RequestMapping(value = "/Orginconnect", method = RequestMethod.POST) public String orginconnect(@Valid @ModelAttribute("FlightDTO") FlightDTO flightDTO, BindingResult result, ModelMap model) { return "Departure.html"; } @RequestMapping(value = "/Departure", method = RequestMethod.GET) public ModelAndView departure() { return new ModelAndView("Departure.html", "FlightDTO", new FlightDTO()); } @RequestMapping(value = "/DepartureConnect", method = RequestMethod.POST) public String departureconnect(@Valid @ModelAttribute("FlightDTO") FlightDTO flightDTO, BindingResult result, ModelMap model) { System.out.println(flightDTO.getOrigin()); return "Test.html"; } @RequestMapping(value = "/Search", method = RequestMethod.GET) public ModelAndView showForm() { return new ModelAndView("Test.html", "FlightDTO", new FlightDTO()); } @RequestMapping(value = "/connect", method = RequestMethod.POST) public String submit(@Valid @ModelAttribute("FlightDTO") FlightDTO flightDTO, BindingResult result, ModelMap model) { String Request = buildurl.url(flightDTO); try { buildurl.url(flightDTO); } catch (Exception e) { System.out.println("Invalid data can not build an URL" + e); } try { connectServiceIml.connect(buildurl.url(flightDTO)); } catch (Exception e) { System.out.println("Problem with connection" + e); } String output = connectServiceIml.connect(Request) ; try { model.addAttribute("AirlineFirst", searchResult.getAirlineFirst(output)); model.addAttribute("AirlineSecond", searchResult.getAirlineSecond(output)); model.addAttribute("AirlineThird", ////.... some code return "Results.html"; }