移除autowired

src/main/java/co/jp/app/service/UserService.java

@@ -7,7 +7,7 @@ import java.util.List;
 import co.jp.app.dto.RegistrationDto;
 import co.jp.app.entity.UserEntity;
 import co.jp.app.repository.UserRepository;
-import org.springframework.beans.factory.annotation.Autowired;
+import org.jetbrains.annotations.NotNull;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 import org.springframework.security.core.userdetails.User;
@@ -27,17 +27,16 @@ public class UserService implements UserDetailsService {
 	private final UserRepository userRepository;
 	private final PasswordEncoder passwordEncoder;
 
-	@Autowired
 	public UserService(UserRepository userRepository, PasswordEncoder passwordEncoder) {
 		this.userRepository = userRepository;
 		this.passwordEncoder = passwordEncoder;
 	}
 
 	@Transactional
-	public UserEntity registerNewUser(RegistrationDto registrationDto) throws Exception {
+	public UserEntity registerNewUser(@NotNull RegistrationDto registrationDto) throws Exception {
 
 		if (userRepository.existsByEmail(registrationDto.getEmail())) {
-			throw new Exception("错误：邮箱 " + registrationDto.getEmail() + " 已被注册！");
+			throw new Exception("エラー：メール：" + registrationDto.getEmail() + " はすでに登録されました。");
 		}
 
 		UserEntity newUser = new UserEntity();
@@ -52,7 +51,7 @@ public class UserService implements UserDetailsService {
 	@Transactional(readOnly = true)
 	public UserDetails loadUserByUsername(String email) throws UsernameNotFoundException {
 		UserEntity userEntity = userRepository.findByEmail(email)
-				.orElseThrow(() -> new UsernameNotFoundException("未找到邮箱为: " + email + " 的用户"));
+				.orElseThrow(() -> new UsernameNotFoundException(email + " not found"));
 
 		Collection<? extends GrantedAuthority> authorities = Collections.singletonList(new SimpleGrantedAuthority("ROLE_USER")); // 示例：给所有用户一个ROLE_USER权限
 
@@ -66,9 +65,4 @@ public class UserService implements UserDetailsService {
 				authorities                 // 用户的权限集合
 		);
 	}
-
-	public boolean checkPassword(UserEntity user, String rawPassword) {
-		return passwordEncoder.matches(rawPassword, user.getPassword());
-	}
-
 }