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초급자를 위해 준비한
[웹 개발, 백엔드] 강의입니다.
Spring-PetClinic이라는 스프링 공식 예제 프로젝트의 코드를 보며, 다음의 스프링의 핵심 기능을 쉽고 빠르게 이해할 수 있습니다.
개정판 강좌를 수강해볼까요?
예제로 배우는 스프링 입문(개정판) 바로가기 >>
https://www.inflearn.com/course/spring#
예제로 배우는 스프링 입문
https://www.inflearn.com/course/spring_revised_edition
소스 :
https://github.com/spring-projects/spring-petclinic
강의자료 : https://drive.google.com/file/d/1Q8LGrUKzV_EX6MToQaynhv0CnPDCTgbM/view
https://github.com/braverokmc79/course-petclinic/blob/main/예제로배우슨%20스프링입문.pdf
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface LogExecutionTime {
}
@Component
@Aspect
public class LogAspect {
Logger logger = LoggerFactory.getLogger(LogAspect.class);
@Around("@annotation(LogExecutionTime)")
public Object logExecutionTime(ProceedingJoinPoint joinPoint) throws Throwable {
StopWatch stopWatch = new StopWatch();
stopWatch.start();
Object proceed = joinPoint.proceed();
stopWatch.stop();
logger.info(stopWatch.prettyPrint());
return proceed;
}
}
1. 프로젝트 구조
2. 테이블 구조
2. 공통모델
4. 엔티티와 DB 관계
5 . 화면
1)메인화면
2)펫 소유자 찾기 화면
3)펫 소유자 등록화면
4)펫 소유자 목록화면
5)펫 소유자 상세화면
6)수의사 목록화면
7)에러 화면
수의사
VetRepository
/*
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.samples.petclinic.vet;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.dao.DataAccessException;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.repository.Repository;
import org.springframework.transaction.annotation.Transactional;
import java.util.Collection;
/**
* <code>Vet</code> 도메인 개체에 대한 리포지토리 클래스 모든 메서드 이름은 호환됩니다.
* 이 인터페이스를 Spring용으로 쉽게 확장할 수 있도록 Spring Data 명명 규칙 사용
* 데이터. 보다:
* https://docs.spring.io/spring-data/jpa/docs/current/reference/html/#repositories.query-methods.query-creation
*
* @author Ken Krebs
* @author Juergen Hoeller
* @author Sam Brannen
* @author Michael Isvy
*/
public interface VetRepository extends Repository<Vet, Integer> {
/**
* 데이터 저장소에서 모든 <code>Vet</code>를 검색합니다.
* @return <code>Vet</code>의 <code>컬렉션</code>
*/
@Transactional(readOnly = true)
@Cacheable("vets")
Collection<Vet> findAll() throws DataAccessException;
/**
* 페이지의 데이터 저장소에서 모든 <code>Vet</code> 검색
* @param pageable
* @return
* @throws DataAccessException
*/
@Transactional(readOnly = true)
@Cacheable("vets")
Page<Vet> findAll(Pageable pageable) throws DataAccessException;
}
VetController
/*
* Copyright 2012-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.samples.petclinic.vet;
import java.util.List;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
/**
* @author Juergen Hoeller
* @author Mark Fisher
* @author Ken Krebs
* @author Arjen Poutsma
*/
@Controller
class VetController {
private final VetRepository vetRepository;
public VetController(VetRepository clinicService) {
this.vetRepository = clinicService;
}
@GetMapping("/vets.html")
public String showVetList(@RequestParam(defaultValue = "1") int page, Model model) {
// Here we are returning an object of type 'Vets' rather than a collection of Vet
// objects so it is simpler for Object-Xml mapping
Vets vets = new Vets();
Page<Vet> paginated = findPaginated(page);
vets.getVetList().addAll(paginated.toList());
return addPaginationModel(page, paginated, model);
}
private String addPaginationModel(int page, Page<Vet> paginated, Model model) {
List<Vet> listVets = paginated.getContent();
model.addAttribute("currentPage", page);
model.addAttribute("totalPages", paginated.getTotalPages());
model.addAttribute("totalItems", paginated.getTotalElements());
model.addAttribute("listVets", listVets);
return "vets/vetList";
}
private Page<Vet> findPaginated(int page) {
int pageSize = 5;
Pageable pageable = PageRequest.of(page - 1, pageSize);
return vetRepository.findAll(pageable);
}
@GetMapping({ "/vets" })
public @ResponseBody Vets showResourcesVetList() {
// Here we are returning an object of type 'Vets' rather than a collection of Vet
// objects so it is simpler for JSon/Object mapping
Vets vets = new Vets();
vets.getVetList().addAll(this.vetRepository.findAll());
return vets;
}
}
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