[8주차] 이종혁 학습 PR 제출합니다.

week8/이종혁/[8주차] 이종혁.md

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+- POST하기 전  GET
+
+<img width="855" height="727" alt="Image" src="https://github.com/user-attachments/assets/c4524639-0e2c-456f-8532-e79933788a99" />
+
+-  POST
+
+<img width="855" height="727" alt="Image" src="https://github.com/user-attachments/assets/4d8fb1b5-93fb-4a6c-af4a-e7ca1f1cb5ea" />
+
+- POST한 후 GET
+
+<img width="855" height="727" alt="Image" src="https://github.com/user-attachments/assets/04c0f13c-ea2b-4b41-aca6-597e708f6dd6" />
+
+- DB 데이터 확인
+
+<img width="450" height="144" alt="Image" src="https://github.com/user-attachments/assets/e15eaa23-6568-463d-91d7-4809cbb6f163" />

week8/이종혁/java/com/example/demo4/Demo4Application.java

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+package com.example.demo4;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Demo4Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Demo4Application.class, args);
+    }
+
+}

week8/이종혁/java/com/example/demo4/contoller/UserController.java

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+package com.example.demo4.contoller;
+
+import com.example.demo4.dto.UserDto;
+import com.example.demo4.service.UserService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/users")
+
+public class UserController {
+    private final UserService userService;
+
+    @PostMapping
+    public void createUser(@RequestBody UserDto userDto) {
+        userService.addUser(userDto);
+    }
+
+    @GetMapping
+    public List<UserDto> getUsers(){
+        return userService.getAllUsers();
+    }
+
+}

week8/이종혁/java/com/example/demo4/dto/UserDto.java

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+package com.example.demo4.dto;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import lombok.*;
+
+
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor
+
+@Getter
+@Setter
+public class UserDto {
+    private Long id;
+    private String name;
+    private String email;
+}

week8/이종혁/java/com/example/demo4/entity/User.java

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+package com.example.demo4.entity;
+
+import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@Entity
+@Table(name = "users")
+public class User {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    private String name;
+    private String email;
+}

week8/이종혁/java/com/example/demo4/repository/UserRepository.java

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+package com.example.demo4.repository;
+
+import com.example.demo4.entity.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface UserRepository extends JpaRepository<User, Long> {
+}

week8/이종혁/java/com/example/demo4/service/UserService.java

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+package com.example.demo4.service;
+
+import com.example.demo4.dto.UserDto;
+import com.example.demo4.entity.User;
+import com.example.demo4.repository.UserRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+
+public class UserService {
+    private final UserRepository userRepository;
+
+    public void addUser(UserDto userDto) {
+        User user = new User();
+        user.setName(userDto.getName());
+        user.setEmail(userDto.getEmail());
+        userRepository.save(user);
+    }
+
+    public List<UserDto> getAllUsers(){
+        List<User> userList = userRepository.findAll();
+        List<UserDto> userDtoList = new ArrayList<>();
+        for (User user : userList) {
+            UserDto userDto = new UserDto();
+
+            userDto.setId(user.getId());
+            userDto.setName(user.getName());
+            userDto.setEmail(user.getEmail());
+            userDtoList.add(userDto);
+        }
+        return userDtoList;
+    }
+}