Portfolio


implementation 'org.springframework.boot:spring-boot-starter-validation'


public class Item {

	private Long id;
	
	@NotBlank
	private String iteamName;

 @NotNull
 @Range(min = 1000, max = 1000000)
 private Integer price;

	@NotNull
	@Max(9999)
	private Integer quantity	

}


@ScriptAssert(lang="javascript", script="_this.price * _this.quantity >= 10000")
public class Item{
~~~
}


@PostMapping("/add")
public String addItem(@Validated @ModelAttribute Item item, BindingResult
bindingResult, RedirectAttributes redirectAttributes) {
 //특정 필드 예외가 아닌 전체 예외
 if (item.getPrice() != null && item.getQuantity() != null) {
		 int resultPrice = item.getPrice() * item.getQuantity();
		 if (resultPrice < 10000) {
						 bindingResult.reject("totalPriceMin", new Object[]{10000,
																	resultPrice}, null);
				 }
}