{"id":1225,"date":"2026-01-04T19:29:52","date_gmt":"2026-01-04T11:29:52","guid":{"rendered":"https:\/\/www.52runoob.com\/?p=1225"},"modified":"2026-01-04T19:29:52","modified_gmt":"2026-01-04T11:29:52","slug":"springboot%e6%95%b4%e5%90%88redis%e5%ae%9e%e7%8e%b0%e8%ae%a2%e5%8d%95%e8%b6%85%e6%97%b6%e8%87%aa%e5%8a%a8%e5%88%a0%e9%99%a4%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/www.52runoob.com\/index.php\/2026\/01\/04\/springboot%e6%95%b4%e5%90%88redis%e5%ae%9e%e7%8e%b0%e8%ae%a2%e5%8d%95%e8%b6%85%e6%97%b6%e8%87%aa%e5%8a%a8%e5%88%a0%e9%99%a4%e5%8a%9f%e8%83%bd\/","title":{"rendered":"SpringBoot\u6574\u5408Redis\u5b9e\u73b0\u8ba2\u5355\u8d85\u65f6\u81ea\u52a8\u5220\u9664\u529f\u80fd"},"content":{"rendered":"\n

\u660e\u767d\u4e86\uff0c\u4f60\u60f3\u7528 Spring Boot + Redis<\/strong> \u6765\u5b9e\u73b0 \u8ba2\u5355\u8d85\u65f6\u81ea\u52a8\u5220\u9664<\/strong>\u7684\u529f\u80fd\uff0c\u8fd9\u5728\u7535\u5546\u7cfb\u7edf\u4e2d\u975e\u5e38\u5e38\u89c1\u3002\u4e0b\u9762\u6211\u7ed9\u4f60\u4e00\u4e2a \u5b8c\u6574\u53ef\u7528\u65b9\u6848<\/strong>\uff0c\u5305\u542b\u601d\u8def\u3001\u4ee3\u7801\u793a\u4f8b\u548c\u6ce8\u610f\u70b9\u3002<\/p>\n\n\n\n

\n\n\n\n

Spring Boot + Redis \u5b9e\u73b0\u8ba2\u5355\u8d85\u65f6\u81ea\u52a8\u5220\u9664<\/h1>\n\n\n\n

\u65b9\u6848\u601d\u8def<\/h2>\n\n\n\n
    \n
  1. \u8ba2\u5355\u8d85\u65f6\u5b9a\u4e49<\/strong>\uff1a\u7528\u6237\u4e0b\u5355\u540e\uff0c\u5982\u679c\u5728\u6307\u5b9a\u65f6\u95f4\u5185\u672a\u652f\u4ed8\uff0c\u8ba2\u5355\u81ea\u52a8\u53d6\u6d88\/\u5220\u9664\u3002<\/li>\n\n\n\n
  2. Redis \u7684\u4f18\u52bf<\/strong>\uff1a\n
      \n
    • Redis \u652f\u6301 \u952e\u8fc7\u671f<\/strong>\uff08TTL, Time-To-Live\uff09<\/li>\n\n\n\n
    • Redis \u652f\u6301 \u4e8b\u4ef6\u901a\u77e5<\/strong>\uff08Keyspace Notification\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n
    • \u5b9e\u73b0\u65b9\u5f0f<\/strong>\uff1a\n
        \n
      • \u65b9\u6848 1\uff08\u7b80\u5355\uff09<\/strong>\uff1a\u7528 RedisTemplate<\/code> \u8bbe\u7f6e\u8ba2\u5355 key \u7684\u8fc7\u671f\u65f6\u95f4\uff0c\u5229\u7528 RedisListener<\/code> \u76d1\u542c\u8fc7\u671f\u4e8b\u4ef6\u3002<\/li>\n\n\n\n
      • \u65b9\u6848 2\uff08\u5b9a\u65f6\u8f6e\u8be2\uff09<\/strong>\uff1a\u628a\u8ba2\u5355\u5b58\u5230 Redis \u6216\u6570\u636e\u5e93\u4e2d\uff0c\u5b9a\u65f6\u626b\u63cf\u5224\u65ad\u8d85\u65f6\uff08\u7b80\u5355\u4f46\u6548\u7387\u4f4e\uff09\u3002<\/li>\n\n\n\n
      • \u65b9\u6848 3\uff08\u6d88\u606f\u961f\u5217 + \u5ef6\u8fdf\u961f\u5217\uff09<\/strong>\uff1a\u53ef\u4ee5\u7528 Redis \u7684 ZSet<\/code> \u6216 Stream<\/code> \u505a\u5ef6\u8fdf\u961f\u5217\uff0c\u4f46 Redis key TTL \u8db3\u591f\u7b80\u5355\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n

        \u63a8\u8350\u65b9\u6848\uff1a\u4f7f\u7528 Redis TTL + \u8fc7\u671f\u4e8b\u4ef6\u76d1\u542c<\/strong>\uff0c\u6700\u7b80\u5355\u9ad8\u6548\u3002<\/p>\n\n\n\n

        \n\n\n\n

        \u5177\u4f53\u5b9e\u73b0<\/h2>\n\n\n\n

        1\ufe0f\u20e3 \u6dfb\u52a0\u4f9d\u8d56\uff08Maven\uff09<\/h3>\n\n\n
        \n&lt;dependencies>\n    &lt;!-- Spring Boot Web -->\n    &lt;dependency>\n        &lt;groupId>org.springframework.boot&lt;\/groupId>\n        &lt;artifactId>spring-boot-starter-web&lt;\/artifactId>\n    &lt;\/dependency>\n\n    &lt;!-- Spring Data Redis -->\n    &lt;dependency>\n        &lt;groupId>org.springframework.boot&lt;\/groupId>\n        &lt;artifactId>spring-boot-starter-data-redis&lt;\/artifactId>\n    &lt;\/dependency>\n\n    &lt;!-- Lettuce \u5ba2\u6237\u7aef -->\n    &lt;dependency>\n        &lt;groupId>io.lettuce.core&lt;\/groupId>\n        &lt;artifactId>lettuce-core&lt;\/artifactId>\n    &lt;\/dependency>\n\n    &lt;!-- \u53ef\u9009\uff1aJSON \u5e8f\u5217\u5316 -->\n    &lt;dependency>\n        &lt;groupId>com.fasterxml.jackson.core&lt;\/groupId>\n        &lt;artifactId>jackson-databind&lt;\/artifactId>\n    &lt;\/dependency>\n&lt;\/dependencies>\n\n<\/pre><\/div>\n\n\n
        \n\n\n\n
        2\ufe0f\u20e3 Redis \u914d\u7f6e<\/h3>\n\n\n\n
        \u5728 application.yml<\/code> \u6216 application.properties<\/code> \u4e2d\u914d\u7f6e Redis\uff1a<\/p>\n\n\n
        \nspring:\n  redis:\n    host: localhost\n    port: 6379\n    timeout: 5000\n\n<\/pre><\/div>\n\n\n
        \u26a0\ufe0f \u6ce8\u610f<\/strong>\uff1a\u8981\u5f00\u542f Redis key \u8fc7\u671f\u4e8b\u4ef6\u901a\u77e5\u3002\u4fee\u6539 redis.conf<\/code> \u6587\u4ef6\uff0c\u6dfb\u52a0\u6216\u786e\u4fdd\u6709\uff1a<\/p>\n\n\n
        \nnotify-keyspace-events Ex\n\n<\/pre><\/div>\n\n\n
        Ex<\/code> \u8868\u793a Key \u8fc7\u671f\u4e8b\u4ef6<\/strong>\u3002<\/p>\n\n\n\n
        \n\n\n\n
        3\ufe0f\u20e3 \u8ba2\u5355\u670d\u52a1\uff1a\u4e0b\u5355 + \u8d85\u65f6\u81ea\u52a8\u5220\u9664<\/h3>\n\n\n\n
        3.1 \u8ba2\u5355\u5bf9\u8c61<\/h4>\n\n\n
        \n@Data\n@AllArgsConstructor\n@NoArgsConstructor\npublic class Order {\n    private String orderId;\n    private String userId;\n    private double amount;\n    private long createTime;\n}\n\n<\/pre><\/div>\n\n\n
        3.2 Redis \u5b58\u8ba2\u5355\u5e76\u8bbe\u7f6e TTL<\/h4>\n\n\n
        \n@Service\npublic class OrderService {\n\n    private final RedisTemplate&lt;String, Object> redisTemplate;\n\n    @Autowired\n    public OrderService(RedisTemplate&lt;String, Object> redisTemplate) {\n        this.redisTemplate = redisTemplate;\n    }\n\n    \/**\n     * \u4fdd\u5b58\u8ba2\u5355\uff0c\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\uff08\u79d2\uff09\n     *\/\n    public void saveOrder(Order order, long expireSeconds) {\n        String key = "order:" + order.getOrderId();\n        redisTemplate.opsForValue().set(key, order, expireSeconds, TimeUnit.SECONDS);\n        System.out.println("\u8ba2\u5355\u5df2\u4fdd\u5b58\uff0ckey=" + key + "\uff0c\u8d85\u65f6\u79d2\u6570=" + expireSeconds);\n    }\n\n    \/**\n     * \u83b7\u53d6\u8ba2\u5355\n     *\/\n    public Order getOrder(String orderId) {\n        return (Order) redisTemplate.opsForValue().get("order:" + orderId);\n    }\n}\n\n<\/pre><\/div>\n\n\n
        \u2705 \u8fd9\u91cc\u4f7f\u7528 opsForValue().set(key, value, expireTime, TimeUnit)<\/code> \u5c31\u53ef\u4ee5\u81ea\u52a8\u8fc7\u671f\u3002<\/p>\n\n\n\n
        \n\n\n\n
        4\ufe0f\u20e3 \u76d1\u542c\u8ba2\u5355\u8fc7\u671f\u4e8b\u4ef6<\/h3>\n\n\n
        \n@Component\npublic class RedisKeyExpiredListener {\n\n    @EventListener\n    public void onExpiredEvent(RedisKeyExpiredEvent event) {\n        String expiredKey = event.getKey();\n        if (expiredKey.startsWith("order:")) {\n            String orderId = expiredKey.split(":")[1];\n            \/\/ \u5904\u7406\u8ba2\u5355\u8d85\u65f6\u903b\u8f91\n            System.out.println("\u8ba2\u5355\u8d85\u65f6\u81ea\u52a8\u5220\u9664: " + orderId);\n            \/\/ TODO: \u540c\u6b65\u66f4\u65b0\u6570\u636e\u5e93\u72b6\u6001\u4e3a\u201c\u5df2\u53d6\u6d88\u201d\n        }\n    }\n}\n\n<\/pre><\/div>\n\n\n
        \u26a0\ufe0f \u6ce8\u610f<\/strong>\uff1a<\/p>\n\n\n\n
          \n
        • \u76d1\u542c\u5668\u4f1a\u63a5\u6536\u5230 Redis \u8fc7\u671f\u4e8b\u4ef6<\/strong>\uff0c\u4f60\u53ef\u4ee5\u5728\u8fd9\u91cc\u6267\u884c\u53d6\u6d88\u8ba2\u5355\u903b\u8f91\uff0c\u6bd4\u5982\u66f4\u65b0\u6570\u636e\u5e93\u72b6\u6001\u3002<\/li>\n\n\n\n
        • Redis TTL \u53ea\u4fdd\u8bc1 key \u6d88\u5931\uff0c\u4e0d\u4f1a\u81ea\u52a8\u5220\u9664\u6570\u636e\u5e93\u91cc\u7684\u8ba2\u5355\uff0c\u9700\u8981\u81ea\u5df1\u540c\u6b65\u3002<\/li>\n<\/ul>\n\n\n\n
          \n\n\n\n
          5\ufe0f\u20e3 \u6d4b\u8bd5 Controller<\/h3>\n\n\n
          \n@RestController\n@RequestMapping("\/orders")\npublic class OrderController {\n\n    @Autowired\n    private OrderService orderService;\n\n    @PostMapping("\/create")\n    public String createOrder(@RequestParam String userId, @RequestParam double amount) {\n        String orderId = UUID.randomUUID().toString();\n        Order order = new Order(orderId, userId, amount, System.currentTimeMillis());\n        \/\/ \u8bbe\u7f6e\u8ba2\u5355\u8d85\u65f6\u65f6\u95f4\uff0c\u4f8b\u5982 60 \u79d2\n        orderService.saveOrder(order, 60);\n        return "\u8ba2\u5355\u521b\u5efa\u6210\u529f, orderId=" + orderId;\n    }\n\n    @GetMapping("\/{orderId}")\n    public Order getOrder(@PathVariable String orderId) {\n        return orderService.getOrder(orderId);\n    }\n}\n\n<\/pre><\/div>\n\n\n
          \u2705 \u6d4b\u8bd5\uff1a<\/p>\n\n\n\n
            \n
          1. \u8c03\u7528 \/orders\/create?userId=123&amount=100<\/code><\/li>\n\n\n\n
          2. 60 \u79d2\u540e\uff0cRedis key \u81ea\u52a8\u8fc7\u671f<\/li>\n\n\n\n
          3. RedisKeyExpiredListener<\/code> \u6536\u5230\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u6267\u884c\u6570\u636e\u5e93\u53d6\u6d88\u903b\u8f91<\/li>\n<\/ol>\n\n\n\n
            \n\n\n\n
            6\ufe0f\u20e3 \u6ce8\u610f\u4e8b\u9879<\/h3>\n\n\n\n
              \n
            1. \u6570\u636e\u5e93\u540c\u6b65<\/strong>\uff1aRedis key \u8fc7\u671f\u53ea\u80fd\u5220\u9664\u7f13\u5b58\uff0c\u771f\u6b63\u8ba2\u5355\u72b6\u6001\u5fc5\u987b\u66f4\u65b0\u6570\u636e\u5e93\u3002<\/li>\n\n\n\n
            2. Redis \u914d\u7f6e<\/strong>\uff1a\n
                \n
              • \u786e\u4fdd notify-keyspace-events<\/code> \u8bbe\u7f6e\u4e3a Ex<\/code><\/li>\n\n\n\n
              • \u4e0d\u7136\u8fc7\u671f\u4e8b\u4ef6\u65e0\u6cd5\u89e6\u53d1<\/li>\n<\/ul>\n<\/li>\n\n\n\n
              • \u5206\u5e03\u5f0f\u73af\u5883<\/strong>\uff1a\n
                  \n
                • \u5982\u679c\u4f60\u6709\u591a\u53f0 Redis \u6216\u5fae\u670d\u52a1\uff0c\u786e\u4fdd\u4e8b\u4ef6\u76d1\u542c\u548c\u6570\u636e\u5e93\u66f4\u65b0\u4e0d\u4f1a\u91cd\u590d\u6267\u884c\u3002\u53ef\u4ee5\u7528 \u6d88\u606f\u961f\u5217<\/strong> \u6216 Redisson \u5206\u5e03\u5f0f\u9501<\/strong> \u4fdd\u8bc1\u5e42\u7b49\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                • \u8ba2\u5355\u65f6\u95f4\u53ef\u7075\u6d3b\u914d\u7f6e<\/strong>\uff1a\n
                    \n
                  • \u79d2\u7ea7\u3001\u5206\u949f\u7ea7\u90fd\u53ef\u4ee5<\/li>\n\n\n\n
                  • \u5b9e\u9645\u7535\u5546\u7cfb\u7edf\u5e38\u7528 15 \u5206\u949f\u652f\u4ed8\u8d85\u65f6<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n
                    \n\n\n\n
                    \u2705 \u603b\u7ed3<\/h3>\n\n\n\n
                      \n
                    • \u5229\u7528 Redis TTL<\/strong> \u81ea\u52a8\u8fc7\u671f key<\/li>\n\n\n\n
                    • \u5229\u7528 Keyspace Notification<\/strong> \u76d1\u542c key \u8fc7\u671f<\/li>\n\n\n\n
                    • \u5728\u8fc7\u671f\u4e8b\u4ef6\u4e2d\u6267\u884c \u53d6\u6d88\u8ba2\u5355 \/ \u540c\u6b65\u6570\u636e\u5e93<\/strong><\/li>\n<\/ul>\n\n\n\n
                      \u8fd9\u79cd\u65b9\u6848 \u6027\u80fd\u9ad8\u3001\u5b9e\u73b0\u7b80\u5355\u3001\u65e0\u9700\u989d\u5916\u5b9a\u65f6\u4efb\u52a1<\/strong>\u3002<\/p>\n\n\n\n
                      \n\n\n\n
                      \u660e\u767d\u4e86\uff0c\u6211\u7ed9\u4f60\u5199\u4e00\u4e2a \u5b8c\u6574\u53ef\u8fd0\u884c\u7684 Spring Boot + Redis + MySQL demo<\/strong>\uff0c\u5b9e\u73b0 \u8ba2\u5355\u4e0b\u5355 + Redis \u8d85\u65f6\u81ea\u52a8\u5220\u9664 + \u540c\u6b65\u6570\u636e\u5e93\u53d6\u6d88\u8ba2\u5355<\/strong>\uff0c\u53ef\u4ee5\u76f4\u63a5\u8fd0\u884c\u6d4b\u8bd5\u3002<\/p>\n\n\n\n
                      \n\n\n\n
                      Spring Boot + Redis + MySQL \u8ba2\u5355\u8d85\u65f6\u81ea\u52a8\u5220\u9664\u5b8c\u6574 Demo<\/h1>\n\n\n\n
                      \n\n\n\n
                      1\ufe0f\u20e3 Maven \u4f9d\u8d56\uff08pom.xml\uff09<\/h2>\n\n\n
                      \n&lt;dependencies>\n    &lt;!-- Spring Boot Web -->\n    &lt;dependency>\n        &lt;groupId>org.springframework.boot&lt;\/groupId>\n        &lt;artifactId>spring-boot-starter-web&lt;\/artifactId>\n    &lt;\/dependency>\n\n    &lt;!-- Spring Data Redis -->\n    &lt;dependency>\n        &lt;groupId>org.springframework.boot&lt;\/groupId>\n        &lt;artifactId>spring-boot-starter-data-redis&lt;\/artifactId>\n    &lt;\/dependency>\n\n    &lt;!-- Lettuce \u5ba2\u6237\u7aef -->\n    &lt;dependency>\n        &lt;groupId>io.lettuce.core&lt;\/groupId>\n        &lt;artifactId>lettuce-core&lt;\/artifactId>\n    &lt;\/dependency>\n\n    &lt;!-- MySQL \u6570\u636e\u5e93 -->\n    &lt;dependency>\n        &lt;groupId>org.springframework.boot&lt;\/groupId>\n        &lt;artifactId>spring-boot-starter-data-jpa&lt;\/artifactId>\n    &lt;\/dependency>\n    &lt;dependency>\n        &lt;groupId>mysql&lt;\/groupId>\n        &lt;artifactId>mysql-connector-java&lt;\/artifactId>\n    &lt;\/dependency>\n\n    &lt;!-- Lombok -->\n    &lt;dependency>\n        &lt;groupId>org.projectlombok&lt;\/groupId>\n        &lt;artifactId>lombok&lt;\/artifactId>\n        &lt;optional>true&lt;\/optional>\n    &lt;\/dependency>\n&lt;\/dependencies>\n\n<\/pre><\/div>\n\n\n
                      \n\n\n\n
                      2\ufe0f\u20e3 application.yml \u914d\u7f6e<\/h2>\n\n\n
                      \nspring:\n  datasource:\n    url: jdbc:mysql:\/\/localhost:3306\/testdb?useSSL=false&amp;serverTimezone=UTC\n    username: root\n    password: 123456\n    driver-class-name: com.mysql.cj.jdbc.Driver\n\n  jpa:\n    hibernate:\n      ddl-auto: update\n    show-sql: true\n\n  redis:\n    host: localhost\n    port: 6379\n    timeout: 5000\n\n<\/pre><\/div>\n\n\n
                      \u26a0\ufe0f Redis \u914d\u7f6e\u6587\u4ef6 redis.conf<\/code> \u4e2d\u9700\u5f00\u542f\u8fc7\u671f\u4e8b\u4ef6\uff1a<\/p>\n\n\n
                      \nnotify-keyspace-events Ex\n\n<\/pre><\/div>\n\n\n
                      \n\n\n\n
                      3\ufe0f\u20e3 \u8ba2\u5355\u5b9e\u4f53\u7c7b<\/h2>\n\n\n
                      \nimport jakarta.persistence.*;\nimport lombok.AllArgsConstructor;\nimport lombok.Data;\nimport lombok.NoArgsConstructor;\n\n@Data\n@AllArgsConstructor\n@NoArgsConstructor\n@Entity\n@Table(name = "orders")\npublic class Order {\n\n    @Id\n    private String orderId;\n\n    private String userId;\n\n    private double amount;\n\n    private String status; \/\/ NEW, PAID, CANCELLED\n\n    private long createTime;\n}\n\n<\/pre><\/div>\n\n\n
                      \n\n\n\n
                      4\ufe0f\u20e3 \u8ba2\u5355 JPA \u4ed3\u5e93<\/h2>\n\n\n
                      \nimport org.springframework.data.jpa.repository.JpaRepository;\n\npublic interface OrderRepository extends JpaRepository&lt;Order, String> {\n}\n\n<\/pre><\/div>\n\n\n
                      \n\n\n\n
                      5\ufe0f\u20e3 Redis \u914d\u7f6e\uff08\u5f00\u542f Keyspace Notification\uff09<\/h2>\n\n\n
                      \nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\nimport org.springframework.data.redis.connection.RedisConnectionFactory;\nimport org.springframework.data.redis.listener.PatternTopic;\nimport org.springframework.data.redis.listener.RedisMessageListenerContainer;\nimport org.springframework.data.redis.listener.adapter.MessageListenerAdapter;\n\n@Configuration\npublic class RedisConfig {\n\n    @Bean\n    RedisMessageListenerContainer container(RedisConnectionFactory connectionFactory,\n                                            MessageListenerAdapter listenerAdapter) {\n        RedisMessageListenerContainer container = new RedisMessageListenerContainer();\n        container.setConnectionFactory(connectionFactory);\n        \/\/ \u76d1\u542c\u8fc7\u671f\u4e8b\u4ef6\n        container.addMessageListener(listenerAdapter, new PatternTopic("__keyevent@0__:expired"));\n        return container;\n    }\n\n    @Bean\n    MessageListenerAdapter listenerAdapter(OrderExpiredListener listener) {\n        return new MessageListenerAdapter(listener, "onMessage");\n    }\n}\n\n<\/pre><\/div>\n\n\n
                      \n\n\n\n
                      6\ufe0f\u20e3 Redis \u8ba2\u5355\u670d\u52a1<\/h2>\n\n\n
                      \nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.data.redis.core.RedisTemplate;\nimport org.springframework.stereotype.Service;\n\nimport java.util.concurrent.TimeUnit;\n\n@Service\npublic class OrderService {\n\n    @Autowired\n    private RedisTemplate&lt;String, Object> redisTemplate;\n\n    @Autowired\n    private OrderRepository orderRepository;\n\n    \/**\n     * \u4fdd\u5b58\u8ba2\u5355\u5e76\u8bbe\u7f6e\u8d85\u65f6\u65f6\u95f4\n     *\/\n    public void saveOrder(Order order, long expireSeconds) {\n        order.setStatus("NEW");\n        order.setCreateTime(System.currentTimeMillis());\n        \/\/ \u4fdd\u5b58\u6570\u636e\u5e93\n        orderRepository.save(order);\n        \/\/ \u4fdd\u5b58 Redis \u5e76\u8bbe\u7f6e TTL\n        String key = "order:" + order.getOrderId();\n        redisTemplate.opsForValue().set(key, order, expireSeconds, TimeUnit.SECONDS);\n        System.out.println("\u8ba2\u5355\u4fdd\u5b58\uff0cRedis key=" + key + "\uff0c\u8d85\u65f6\u79d2\u6570=" + expireSeconds);\n    }\n\n    public Order getOrder(String orderId) {\n        return orderRepository.findById(orderId).orElse(null);\n    }\n\n    \/**\n     * \u53d6\u6d88\u8ba2\u5355\n     *\/\n    public void cancelOrder(String orderId) {\n        orderRepository.findById(orderId).ifPresent(order -> {\n            order.setStatus("CANCELLED");\n            orderRepository.save(order);\n            System.out.println("\u8ba2\u5355\u5df2\u53d6\u6d88\uff1a" + orderId);\n        });\n    }\n}\n\n<\/pre><\/div>\n\n\n
                      \n\n\n\n
                      7\ufe0f\u20e3 Redis \u8fc7\u671f\u76d1\u542c\u5668<\/h2>\n\n\n
                      \nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.data.redis.connection.Message;\nimport org.springframework.data.redis.connection.MessageListener;\nimport org.springframework.stereotype.Component;\n\n@Component\npublic class OrderExpiredListener implements MessageListener {\n\n    @Autowired\n    private OrderService orderService;\n\n    @Override\n    public void onMessage(Message message, byte[] pattern) {\n        String expiredKey = message.toString();\n        if (expiredKey.startsWith("order:")) {\n            String orderId = expiredKey.split(":")[1];\n            \/\/ \u81ea\u52a8\u53d6\u6d88\u8ba2\u5355\n            orderService.cancelOrder(orderId);\n        }\n    }\n}\n\n<\/pre><\/div>\n\n\n
                      \n\n\n\n
                      8\ufe0f\u20e3 Controller \u6d4b\u8bd5\u4e0b\u5355<\/h2>\n\n\n
                      \nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.web.bind.annotation.*;\n\nimport java.util.UUID;\n\n@RestController\n@RequestMapping("\/orders")\npublic class OrderController {\n\n    @Autowired\n    private OrderService orderService;\n\n    @PostMapping("\/create")\n    public String createOrder(@RequestParam String userId, @RequestParam double amount) {\n        String orderId = UUID.randomUUID().toString();\n        Order order = new Order(orderId, userId, amount, "NEW", System.currentTimeMillis());\n        \/\/ \u8bbe\u7f6e\u8ba2\u5355\u8d85\u65f660\u79d2\n        orderService.saveOrder(order, 60);\n        return "\u8ba2\u5355\u521b\u5efa\u6210\u529f, orderId=" + orderId;\n    }\n\n    @GetMapping("\/{orderId}")\n    public Order getOrder(@PathVariable String orderId) {\n        return orderService.getOrder(orderId);\n    }\n}\n\n<\/pre><\/div>\n\n\n
                      \n\n\n\n
                      9\ufe0f\u20e3 \u6d4b\u8bd5\u6d41\u7a0b<\/h2>\n\n\n\n
                        \n
                      1. \u542f\u52a8 Spring Boot \u9879\u76ee<\/li>\n\n\n\n
                      2. \u8c03\u7528\u63a5\u53e3\u521b\u5efa\u8ba2\u5355\uff1a<\/li>\n<\/ol>\n\n\n
                        \nPOST http:\/\/localhost:8080\/orders\/create?userId=123&amp;amount=100\n\n<\/pre><\/div>\n\n\n
                          \n
                        1. Redis \u81ea\u52a8\u751f\u6210 key\uff0c\u4f8b\u5982 order:UUID<\/code><\/li>\n\n\n\n
                        2. \u8bbe\u7f6e TTL\uff08\u4f8b\u5982 60 \u79d2\uff09\uff0c\u8fc7\u671f\u540e\u89e6\u53d1\u76d1\u542c\u5668<\/li>\n\n\n\n
                        3. Listener \u8c03\u7528 cancelOrder()<\/code> \u540c\u6b65\u6570\u636e\u5e93\uff0c\u5c06\u8ba2\u5355\u72b6\u6001\u6539\u4e3a CANCELLED<\/code><\/li>\n\n\n\n
                        4. \u67e5\u8be2\u63a5\u53e3\u8fd4\u56de\u8ba2\u5355\u72b6\u6001\u5373\u53ef\u9a8c\u8bc1\u81ea\u52a8\u53d6\u6d88\u529f\u80fd<\/li>\n<\/ol>\n\n\n\n
                          \n\n\n\n
                          10\ufe0f\u20e3 \u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n