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[Spring] Validation 종류 및 적용
Validationhttps://spring.io/guides/gs/validating-form-input Getting Started | Validating Form InputThe application involves validating a user’s name and age, so you first need to create a class that backs the form used to create a person. The following listing (from src/main/java/com/example/validatingforminput/PersonForm.java) shows how to do so: pacspring.io특정 메서드나 파타미터에 사용되어 해당 객체가 유효성 검샅를 통과..