27 lines
733 B
Plaintext
27 lines
733 B
Plaintext
@Service
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public class UserService {
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@Autowired
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private UserRepository userRepository;
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@Cacheable(value = "users", key = "#userId")
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public User getUserById(Long userId) {
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return userRepository.findById(userId).orElse(null);
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}
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@CachePut(value = "users", key = "#user.id")
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// @CachePut(value = "users", key = "#user.id + '_' + #user.age")
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public User updateUser(User user) {
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userRepository.save(user);
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return user;
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}
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@CacheEvict(value = "users", key = "#userId")
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public void deleteUser(Long userId) {
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userRepository.deleteById(userId);
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}
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@CacheEvict(value = "users", allEntries = true)
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public void clearCache() {
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// 清空缓存
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}
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} |