@NotEmpty(message?=?"金額必填！")
private?double?money;

getter和setter省略


@PostMapping(value?=?"/girls")
public?Object?girlAdd(@Valid?Girl?girl,?BindingResult?bindingResult){
????if?(bindingResult.hasErrors()){
????????return?bindingResult.getFieldError().getDefaultMessage();
????}
????return??girlRepository.save(girl);
}