\u5f15\u8a00\u00a0<\/p>\n
\u5728\u9ad8\u5e76\u53d1\u5e94\u7528\u4e2d，\u7f13\u5b58\u662f\u63d0\u5347\u6027\u80fd\u7684\u5173\u952e\u624b\u6bb5\u3002Spring Boot\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7f13\u5b58\u62bd\u8c61\u548c\u96c6\u6210\u652f\u6301，\u4f46\u5982\u4f55\u5408\u7406\u4f7f\u7528\u7f13\u5b58\u3001\u907f\u514d\u5e38\u89c1\u9677\u9631，\u9700\u8981\u6df1\u5165\u7406\u89e3\u7f13\u5b58\u7684\u5de5\u4f5c\u539f\u7406\u548c\u6700\u4f73\u5b9e\u8df5\u3002\u672c\u6587\u5c06\u5206\u4eabSpring Boot\u4e2d\u7684\u9ad8\u7ea7\u7f13\u5b58\u7b56\u7565，\u5e2e\u52a9\u4f60\u6784\u5efa\u9ad8\u6548\u3001\u53ef\u9760\u7684\u7f13\u5b58\u7cfb\u7edf\u3002<\/p>\n
🔍 Spring Boot \u7f13\u5b58\u57fa\u7840<\/p>\n
@SpringBootApplication@EnableCachingpublic\u00a0class\u00a0CacheApplication\u00a0{\u00a0 \u00a0\u00a0public\u00a0static\u00a0void\u00a0main(String[] args) {\u00a0 \u00a0 \u00a0 \u00a0\u00a0SpringApplication.run(CacheApplication.class, args);\u00a0 \u00a0 }}<\/p>\n
@Service@CacheConfig(cacheNames =\u00a0"users")public\u00a0class\u00a0UserService\u00a0{\u00a0 \u00a0\u00a0@Autowired\u00a0 \u00a0\u00a0private\u00a0UserRepository userRepository;\u00a0 \u00a0\u00a0@Cacheable(key =\u00a0"#id")\u00a0 \u00a0\u00a0public\u00a0User getUserById(Long\u00a0id) {\u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u6a21\u62df\u6162\u67e5\u8be2\u00a0 \u00a0 \u00a0 \u00a0\u00a0try\u00a0{ Thread.sleep(2000); }\u00a0catch\u00a0(InterruptedException e) {}\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0userRepository.findById(id).orElse(null);\u00a0 \u00a0 }\u00a0 \u00a0\u00a0@CacheEvict(key =\u00a0"#id")\u00a0 \u00a0\u00a0public\u00a0void deleteUser(Long\u00a0id) {\u00a0 \u00a0 \u00a0 \u00a0 userRepository.deleteById(id);\u00a0 \u00a0 }\u00a0 \u00a0\u00a0@CachePut(key =\u00a0"#user.id")\u00a0 \u00a0\u00a0public\u00a0User updateUser(User user) {\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0userRepository.save(user);\u00a0 \u00a0 }}<\/p>\n
\u26a1 \u9ad8\u7ea7\u7f13\u5b58\u7b56\u7565<\/p>\n
\u7ed3\u5408\u672c\u5730\u7f13\u5b58\u548c\u5206\u5e03\u5f0f\u7f13\u5b58，\u517c\u987e\u6027\u80fd\u548c\u4e00\u81f4\u6027\u3002<\/p>\n
<dependency>\u00a0 \u00a0\u00a0<groupId>org.springframework.boot<\/groupId>\u00a0 \u00a0\u00a0<artifactId>spring-boot-starter-cache<\/artifactId><\/dependency><dependency>\u00a0 \u00a0\u00a0<groupId>org.springframework.boot<\/groupId>\u00a0 \u00a0\u00a0<artifactId>spring-boot-starter-data-redis<\/artifactId><\/dependency><\/p>\n
@Configurationpublic\u00a0class\u00a0MultiLevelCacheConfig\u00a0{\u00a0 \u00a0\u00a0\/\/ \u672c\u5730\u7f13\u5b58\u914d\u7f6e\u00a0 \u00a0\u00a0@Bean\u00a0 \u00a0\u00a0public\u00a0CaffeineCacheManager\u00a0caffeineCacheManager() {\u00a0 \u00a0 \u00a0 \u00a0\u00a0CaffeineCacheManager\u00a0cacheManager =\u00a0new\u00a0CaffeineCacheManager();\u00a0 \u00a0 \u00a0 \u00a0 cacheManager.setCaffeine(Caffeine.newBuilder()\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .expireAfterWrite(10,\u00a0TimeUnit.MINUTES)\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .maximumSize(1000));\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0cacheManager;\u00a0 \u00a0 }\u00a0 \u00a0\u00a0\/\/ Redis\u7f13\u5b58\u914d\u7f6e\u00a0 \u00a0\u00a0@Bean\u00a0 \u00a0\u00a0public\u00a0RedisCacheManager\u00a0redisCacheManager(RedisConnectionFactory connectionFactory) {\u00a0 \u00a0 \u00a0 \u00a0\u00a0RedisCacheConfiguration\u00a0config =\u00a0RedisCacheConfiguration.defaultCacheConfig()\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .entryTtl(Duration.ofMinutes(30))\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .disableCachingNullValues();\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0RedisCacheManager.builder(connectionFactory)\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .cacheDefaults(config)\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .withCacheConfiguration("users",\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0RedisCacheConfiguration.defaultCacheConfig().entryTtl(Duration.ofHours(1)))\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .build();\u00a0 \u00a0 }\u00a0 \u00a0\u00a0\/\/ \u591a\u7ea7\u7f13\u5b58\u7ba1\u7406\u5668\u00a0 \u00a0\u00a0@Bean\u00a0 \u00a0\u00a0public\u00a0CacheManager\u00a0multiLevelCacheManager(CaffeineCacheManager caffeineCacheManager,\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0RedisCacheManager redisCacheManager) {\u00a0 \u00a0 \u00a0 \u00a0\u00a0CompositeCacheManager\u00a0cacheManager =\u00a0new\u00a0CompositeCacheManager(caffeineCacheManager, redisCacheManager);\u00a0 \u00a0 \u00a0 \u00a0 cacheManager.setFallbackToNoOpCache(false);\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0cacheManager;\u00a0 \u00a0 }}<\/p>\n
\u7f13\u5b58\u7a7f\u900f\u662f\u6307\u67e5\u8be2\u4e0d\u5b58\u5728\u7684\u6570\u636e，\u5bfc\u81f4\u8bf7\u6c42\u76f4\u63a5\u843d\u5230\u6570\u636e\u5e93\u4e0a\u3002<\/p>\n
@Cacheable(key =\u00a0"#id", cacheNames =\u00a0"users", unless =\u00a0"#result == null")public\u00a0User getUserById(Long\u00a0id) {\u00a0 \u00a0\u00a0return\u00a0userRepository.findById(id).orElse(null);}\/\/ \u6539\u8fdb\u7248：\u7f13\u5b58\u7a7a\u503c@Cacheable(key =\u00a0"#id", cacheNames =\u00a0"users")public\u00a0User getUserByIdWithNullCache(Long\u00a0id) {\u00a0 \u00a0 User user = userRepository.findById(id).orElse(null);\u00a0 \u00a0\u00a0\/\/ \u7f13\u5b58\u7a7a\u503c，\u907f\u514d\u7f13\u5b58\u7a7f\u900f\u00a0 \u00a0\u00a0return\u00a0user !=\u00a0null\u00a0? user : new User();\u00a0\/\/ \u8fd4\u56de\u7a7a\u5bf9\u8c61\u800c\u4e0d\u662fnull}<\/p>\n
@Configurationpublic\u00a0class\u00a0BloomFilterConfig\u00a0{\u00a0 \u00a0\u00a0@Bean\u00a0 \u00a0\u00a0public\u00a0BloomFilter<Long> userIdBloomFilter() {\u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u9884\u8ba1\u5143\u7d20\u6570\u91cf\u3001\u8bef\u5224\u7387\u00a0 \u00a0 \u00a0 \u00a0 BloomFilter<Long> filter = BloomFilter.create(Funnels.longFunnel(),\u00a0100000,\u00a00.01);\u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u9884\u70ed\u5e03\u9686\u8fc7\u6ee4\u5668\u00a0 \u00a0 \u00a0 \u00a0 List<Long> userIds = userRepository.findAllIds();\u00a0 \u00a0 \u00a0 \u00a0 userIds.forEach(filter::put);\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0filter;\u00a0 \u00a0 }}@Servicepublic\u00a0class\u00a0UserService\u00a0{\u00a0 \u00a0\u00a0@Autowired\u00a0 \u00a0\u00a0private\u00a0BloomFilter<Long> userIdBloomFilter;\u00a0 \u00a0\u00a0@Cacheable(key =\u00a0"#id")\u00a0 \u00a0\u00a0public\u00a0User getUserByIdWithBloomFilter(Long\u00a0id) {\u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u5148\u68c0\u67e5\u5e03\u9686\u8fc7\u6ee4\u5668\u00a0 \u00a0 \u00a0 \u00a0\u00a0if\u00a0(!userIdBloomFilter.mightContain(id)) {\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0null;\u00a0\/\/ \u5feb\u901f\u8fd4\u56de，\u907f\u514d\u6570\u636e\u5e93\u67e5\u8be2\u00a0 \u00a0 \u00a0 \u00a0 }\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0userRepository.findById(id).orElse(null);\u00a0 \u00a0 }}<\/p>\n
\u5728\u5e94\u7528\u542f\u52a8\u65f6\u9884\u5148\u52a0\u8f7d\u70ed\u70b9\u6570\u636e\u5230\u7f13\u5b58\u3002<\/p>\n
@Component@Slf4jpublic\u00a0class\u00a0CacheWarmer\u00a0implements\u00a0CommandLineRunner\u00a0{\u00a0 \u00a0\u00a0@Autowired\u00a0 \u00a0\u00a0private\u00a0UserService\u00a0userService;\u00a0 \u00a0\u00a0@Autowired\u00a0 \u00a0\u00a0private\u00a0CacheManager\u00a0cacheManager;\u00a0 \u00a0\u00a0@Override\u00a0 \u00a0\u00a0public\u00a0void\u00a0run(String… args) {\u00a0 \u00a0 \u00a0 \u00a0 log.info("\u5f00\u59cb\u7f13\u5b58\u9884\u70ed…");\u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u52a0\u8f7d\u70ed\u70b9\u7528\u6237\u6570\u636e\u00a0 \u00a0 \u00a0 \u00a0\u00a0List<Long> hotUserIds =\u00a0Arrays.asList(1L, 2L, 3L, 4L, 5L);\u00a0 \u00a0 \u00a0 \u00a0 hotUserIds.forEach(userId -> {\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 userService.getUserById(userId);\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 log.info("\u9884\u70ed\u7528\u6237\u6570\u636e: {}", userId);\u00a0 \u00a0 \u00a0 \u00a0 });\u00a0 \u00a0 \u00a0 \u00a0 log.info("\u7f13\u5b58\u9884\u70ed\u5b8c\u6210");\u00a0 \u00a0 }}<\/p>\n
@Scheduled(fixedRate = 3600000)\u00a0\/\/ \u6bcf\u5c0f\u65f6\u6267\u884c\u4e00\u6b21public\u00a0void\u00a0refreshHotUserData()\u00a0{\u00a0 \u00a0 log.info("\u5f00\u59cb\u5237\u65b0\u70ed\u70b9\u7528\u6237\u6570\u636e…");\u00a0 \u00a0 List<Long> hotUserIds = userRepository.findHotUserIds();\u00a0 \u00a0 hotUserIds.forEach(userId -> {\u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u4e3b\u52a8\u5237\u65b0\u7f13\u5b58\u00a0 \u00a0 \u00a0 \u00a0\u00a0User\u00a0user\u00a0=\u00a0userRepository.findById(userId).orElse(null);\u00a0 \u00a0 \u00a0 \u00a0\u00a0if\u00a0(user !=\u00a0null) {\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 cacheManager.getCache("users").put(userId, user);\u00a0 \u00a0 \u00a0 \u00a0 }\u00a0 \u00a0 });\u00a0 \u00a0 log.info("\u70ed\u70b9\u7528\u6237\u6570\u636e\u5237\u65b0\u5b8c\u6210");}<\/p>\n
@Beanpublic\u00a0CaffeineCacheManager\u00a0caffeineCacheManager() {\u00a0 \u00a0\u00a0CaffeineCacheManager\u00a0cacheManager =\u00a0new\u00a0CaffeineCacheManager();\u00a0 \u00a0 cacheManager.setCaffeine(Caffeine.newBuilder()\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .expireAfterAccess(10,\u00a0TimeUnit.MINUTES)\u00a0\/\/ \u6700\u540e\u4e00\u6b21\u8bbf\u95ee\u540e\u8fc7\u671f\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 .maximumSize(1000));\u00a0 \u00a0\u00a0return\u00a0cacheManager;}<\/p>\n
🛒 \u5b9e\u6218\u6848\u4f8b：\u7535\u5546\u5546\u54c1\u8be6\u60c5\u9875\u7f13\u5b58<\/p>\n
\u7535\u5546\u5546\u54c1\u8be6\u60c5\u9875\u9700\u8981\u9891\u7e41\u8bbf\u95ee，\u4e14\u6570\u636e\u66f4\u65b0\u4e0d\u9891\u7e41，\u9002\u5408\u4f7f\u7528\u7f13\u5b58\u4f18\u5316\u3002<\/p>\n
@Service@CacheConfig(cacheNames =\u00a0"products")public\u00a0class\u00a0ProductService\u00a0{\u00a0 \u00a0\u00a0@Autowired\u00a0 \u00a0\u00a0private\u00a0ProductRepository productRepository;\u00a0 \u00a0\u00a0@Autowired\u00a0 \u00a0\u00a0private\u00a0RedisTemplate<String, Object> redisTemplate;\u00a0 \u00a0\u00a0\/\/ \u5546\u54c1\u8be6\u60c5\u9875\u7f13\u5b58，\u8bbe\u7f6e1\u5c0f\u65f6\u8fc7\u671f\u00a0 \u00a0\u00a0@Cacheable(key =\u00a0"#id", cacheNames =\u00a0"productDetails")\u00a0 \u00a0\u00a0public\u00a0ProductDetailDTO getProductDetail(Long\u00a0id) {\u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u6a21\u62df\u590d\u6742\u67e5\u8be2\u00a0 \u00a0 \u00a0 \u00a0 Product product = productRepository.findById(id).orElse(null);\u00a0 \u00a0 \u00a0 \u00a0\u00a0if\u00a0(product ==\u00a0null) {\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0null;\u00a0 \u00a0 \u00a0 \u00a0 }\u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u83b7\u53d6\u5546\u54c1\u56fe\u7247\u3001\u5c5e\u6027\u3001\u8bc4\u4ef7\u7b49\u4fe1\u606f\u00a0 \u00a0 \u00a0 \u00a0 List<String> images = productRepository.findProductImages(id);\u00a0 \u00a0 \u00a0 \u00a0 List<ProductAttribute> attributes = productRepository.findProductAttributes(id);\u00a0 \u00a0 \u00a0 \u00a0\u00a0Double\u00a0avgRating = productRepository.calculateAverageRating(id);\u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u7ec4\u88c5DTO\u00a0 \u00a0 \u00a0 \u00a0 ProductDetailDTO dto = new ProductDetailDTO();\u00a0 \u00a0 \u00a0 \u00a0 dto.setProduct(product);\u00a0 \u00a0 \u00a0 \u00a0 dto.setImages(images);\u00a0 \u00a0 \u00a0 \u00a0 dto.setAttributes(attributes);\u00a0 \u00a0 \u00a0 \u00a0 dto.setAvgRating(avgRating);\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0dto;\u00a0 \u00a0 }\u00a0 \u00a0\u00a0\/\/ \u5546\u54c1\u5e93\u5b58\u7f13\u5b58，\u8bbe\u7f6e5\u5206\u949f\u8fc7\u671f\u00a0 \u00a0\u00a0@Cacheable(key =\u00a0"#id", cacheNames =\u00a0"productStock")\u00a0 \u00a0\u00a0public\u00a0Integer getProductStock(Long\u00a0id) {\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0productRepository.getStockById(id);\u00a0 \u00a0 }\u00a0 \u00a0\u00a0\/\/ \u66f4\u65b0\u5546\u54c1\u5e93\u5b58\u65f6\u6e05\u9664\u7f13\u5b58\u00a0 \u00a0\u00a0@CacheEvict(key =\u00a0"#id", cacheNames =\u00a0"productStock")\u00a0 \u00a0\u00a0public\u00a0void updateProductStock(Long\u00a0id, Integer stock) {\u00a0 \u00a0 \u00a0 \u00a0 productRepository.updateStock(id, stock);\u00a0 \u00a0 }\u00a0 \u00a0\u00a0\/\/ \u5b9a\u65f6\u5237\u65b0\u5546\u54c1\u5e93\u5b58\u7f13\u5b58\u00a0 \u00a0\u00a0@Scheduled(fixedRate = 300000)\u00a0\/\/ \u6bcf5\u5206\u949f\u6267\u884c\u4e00\u6b21\u00a0 \u00a0\u00a0public\u00a0void refreshProductStockCache() {\u00a0 \u00a0 \u00a0 \u00a0 List<Long> hotProductIds = productRepository.findHotProductIds();\u00a0 \u00a0 \u00a0 \u00a0 hotProductIds.forEach(id -> {\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Integer stock = productRepository.getStockById(id);\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 redisTemplate.opsForValue().set("productStock::"\u00a0+ id, stock,\u00a05, TimeUnit.MINUTES);\u00a0 \u00a0 \u00a0 \u00a0 });\u00a0 \u00a0 }}<\/p>\n
@Configurationpublic\u00a0class\u00a0CacheKeyGeneratorConfig\u00a0{\u00a0 \u00a0\u00a0@Bean\u00a0 \u00a0\u00a0public\u00a0KeyGenerator\u00a0productKeyGenerator() {\u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0(target, method, params) -> {\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0StringBuilder\u00a0sb =\u00a0new\u00a0StringBuilder();\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 sb.append(target.getClass().getName()).append(":");\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 sb.append(method.getName()).append(":");\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0for\u00a0(Object\u00a0param : params) {\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 sb.append(param.toString()).append(":");\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u6dfb\u52a0\u7248\u672c\u53f7，\u4fbf\u4e8e\u7f13\u5b58\u6574\u4f53\u5931\u6548\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 sb.append("v1");\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0return\u00a0sb.toString();\u00a0 \u00a0 \u00a0 \u00a0 };\u00a0 \u00a0 }}<\/p>\n
📝 \u6700\u4f73\u5b9e\u8df5\u4e0e\u6ce8\u610f\u4e8b\u9879<\/p>\n
\u7f13\u5b58\u952e\u8bbe\u8ba1：<\/p>\n
\u5305\u542b\u8db3\u591f\u7684\u4fe1\u606f\u4ee5\u552f\u4e00\u6807\u8bc6\u7f13\u5b58\u9879<\/p>\n<\/li>\n
\u907f\u514d\u4f7f\u7528\u590d\u6742\u5bf9\u8c61\u4f5c\u4e3a\u952e，\u63a8\u8350\u4f7f\u7528\u7b80\u5355\u7c7b\u578b<\/p>\n<\/li>\n
\u8003\u8651\u6dfb\u52a0\u7248\u672c\u53f7，\u4fbf\u4e8e\u7f13\u5b58\u6574\u4f53\u5931\u6548<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
\u7f13\u5b58\u7c92\u5ea6：<\/p>\n
\u907f\u514d\u7f13\u5b58\u8fc7\u5927\u7684\u5bf9\u8c61，\u62c6\u5206\u4e3a\u66f4\u5c0f\u7684\u7c92\u5ea6<\/p>\n<\/li>\n
\u6839\u636e\u8bbf\u95ee\u9891\u7387\u548c\u66f4\u65b0\u9891\u7387\u8c03\u6574\u7f13\u5b58\u7b56\u7565<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
\u7f13\u5b58\u4e00\u81f4\u6027：<\/p>\n
\u786e\u4fdd\u6570\u636e\u66f4\u65b0\u65f6\u7f13\u5b58\u4e5f\u968f\u4e4b\u66f4\u65b0\u6216\u6e05\u9664<\/p>\n<\/li>\n
\u5bf9\u4e8e\u5f3a\u4e00\u81f4\u6027\u8981\u6c42，\u8003\u8651\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\u6216\u4e8b\u52a1<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
\u7f13\u5b58\u76d1\u63a7：<\/p>\n
\u76d1\u63a7\u7f13\u5b58\u547d\u4e2d\u7387\u3001\u7f13\u5b58\u5927\u5c0f\u7b49\u6307\u6807<\/p>\n<\/li>\n
\u4f7f\u7528Spring Boot Actuator\u66b4\u9732\u7f13\u5b58\u6307\u6807<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
management:\u00a0 endpoints:\u00a0 \u00a0 web:\u00a0 \u00a0 \u00a0 exposure:\u00a0 \u00a0 \u00a0 \u00a0\u00a0include: cache,health,info<\/p>\n
\u907f\u514d\u7f13\u5b58\u5f02\u5e38\u5f71\u54cd\u4e3b\u4e1a\u52a1\u6d41\u7a0b<\/p>\n<\/li>\n
\u5b9e\u73b0\u7f13\u5b58\u56de\u9000\u673a\u5236<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
@Cacheable(key =\u00a0"#id", unless =\u00a0"#result == null", errorHandler =\u00a0"cacheErrorHandler")public\u00a0User\u00a0getUserById(Long id) {\u00a0 \u00a0\u00a0\/\/ \u4e1a\u52a1\u903b\u8f91}@Beanpublic\u00a0CacheErrorHandler\u00a0cacheErrorHandler() {\u00a0 \u00a0\u00a0return\u00a0new\u00a0CacheErrorHandler() {\u00a0 \u00a0 \u00a0 \u00a0\u00a0@Override\u00a0 \u00a0 \u00a0 \u00a0\u00a0public\u00a0void\u00a0handleCacheGetError(RuntimeException exception, Cache cache,\u00a0Object\u00a0key) {\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 log.error("\u7f13\u5b58\u83b7\u53d6\u9519\u8bef: {}", exception.getMessage());\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u7ee7\u7eed\u629b\u51fa\u5f02\u5e38\u6216\u8fd4\u56de\u9ed8\u8ba4\u503c\u00a0 \u00a0 \u00a0 \u00a0 }\u00a0 \u00a0 \u00a0 \u00a0\u00a0\/\/ \u5176\u4ed6\u9519\u8bef\u5904\u7406\u65b9\u6cd5…\u00a0 \u00a0 };}<\/p>\n
\u4e3a\u4e0d\u540c\u7f13\u5b58\u9879\u8bbe\u7f6e\u968f\u673a\u8fc7\u671f\u65f6\u95f4<\/p>\n<\/li>\n
\u4f7f\u7528\u591a\u7ea7\u7f13\u5b58\u67b6\u6784<\/p>\n<\/li>\n
\u5b9e\u73b0\u7f13\u5b58\u9884\u70ed\u548c\u5feb\u901f\u5931\u8d25\u673a\u5236<\/p>\n<\/li>\n<\/ul>\n<\/li>\n
📚 \u603b\u7ed3\u00a0<\/p>\n
\u7f13\u5b58\u662f\u63d0\u5347Spring Boot\u5e94\u7528\u6027\u80fd\u7684\u6709\u6548\u624b\u6bb5，\u4f46\u9700\u8981\u5408\u7406\u8bbe\u8ba1\u548c\u4f7f\u7528\u3002\u672c\u6587\u4ecb\u7ecd\u4e86Spring Boot\u4e2d\u7684\u9ad8\u7ea7\u7f13\u5b58\u7b56\u7565，\u5305\u62ec\u591a\u7ea7\u7f13\u5b58\u3001\u7f13\u5b58\u7a7f\u900f\u9632\u62a4\u3001\u7f13\u5b58\u9884\u70ed\u3001\u8fc7\u671f\u7b56\u7565\u7b49，\u5e76\u901a\u8fc7\u5b9e\u6218\u6848\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5e94\u7528\u8fd9\u4e9b\u7b56\u7565\u3002\u901a\u8fc7\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5，\u4f60\u53ef\u4ee5\u6784\u5efa\u66f4\u9ad8\u6548\u3001\u66f4\u53ef\u9760\u7684\u7f13\u5b58\u7cfb\u7edf，\u63d0\u5347\u5e94\u7528\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n
\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u7406\u89e3\u548c\u4f18\u5316Spring Boot\u7f13\u5b58\u6709\u6240\u5e2e\u52a9\u3002\u5982\u679c\u4f60\u6709\u4efb\u4f55\u95ee\u9898\u6216\u5efa\u8bae，\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u7559\u8a00\u8ba8\u8bba！<\/p>\n
📖 \u53c2\u8003\u8d44\u6599<\/p>\n
Spring \u5b98\u65b9\u6587\u6863 \u00a0<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 https:\/\/docs.spring.io\/spring-boot\/reference\/io\/caching.html#io.caching<\/p>\n<\/li>\n
Spring Boot \u5b98\u65b9\u6587\u6863<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0https:\/\/docs.spring.io\/spring-boot\/docs\/current\/reference\/html\/features.html<\/p>\n<\/li>\n
Caffeine \u7f13\u5b58\u6587\u6863<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0https:\/\/github.com\/ben-manes\/caffeine<\/p>\n<\/li>\n
Redis \u5b98\u65b9\u6587\u6863<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0https:\/\/redis.io\/documentation<\/p>\n<\/li>\n
Guava \u5e03\u9686\u8fc7\u6ee4\u5668\u6587\u6863<\/p>\n
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0https:\/\/guava.dev\/releases\/snapshot-jre\/api\/docs\/com\/google\/common\/hash\/BloomFilter.html<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
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