创建Post方法以保存具有倍数id的对象

I have in my controller:

我在我的控制器中:

@RestController
public class OneTwoController {
    private OnTwoService _service;
//... more code
@PostMapping("/api/one-two")
@CrossOrigin
public ResponseEntity<ServiceResponse> save(@RequestBody OneTwo model) {
    return ResponseEntity.ok().body( _service.Save(model));
}
@RestCo