[Project] JSON으로 전달해보기

@GetMapping("/reservation")
    public ResponseEntity<?> view(){
       List<ShowtimeResponse.RegionDTO> regionList = showtimeService.지역영화관보기();
       return ResponseEntity.ok(Resp.ok(regionList));
    }

public List<ShowtimeResponse.RegionDTO> 지역영화관보기(){
        List<ShowtimeResponse.RegionDTO> dtos = new ArrayList<>();
        List<Region> regionList = null;
        regionList = regionRepository.findAll();
        for (Region region : regionList) {
            ShowtimeResponse.RegionDTO dto = new ShowtimeResponse.RegionDTO(region);
            dtos.add(dto);
        }
        return dtos;
    }

@GetMapping("/reservation")
    public String view(HttpServletRequest request) {
        List<Region> regionList = regionService.지역보기();
        request.setAttribute("models", regionList);
        return "reservation/view";
    }

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