{"id":2846,"date":"2022-04-18T15:46:10","date_gmt":"2022-04-18T07:46:10","guid":{"rendered":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=2846"},"modified":"2022-04-18T15:49:42","modified_gmt":"2022-04-18T07:49:42","slug":"redis%e7%9a%84%e7%bc%93%e5%ad%98%e8%bf%87%e6%9c%9f%e5%9b%9e%e8%b0%83%e7%9a%84%e5%ae%9e%e7%8e%b0%e5%bb%b6%e6%97%b6%e9%98%9f%e5%88%97","status":"publish","type":"post","link":"https:\/\/www.zeroheart.xyz\/wordpress\/?p=2846","title":{"rendered":"redis\u7684\u7f13\u5b58\u8fc7\u671f\u56de\u8c03\u7684\u5b9e\u73b0\u5ef6\u65f6\u961f\u5217"},"content":{"rendered":"\n<p>\u53c2\u8003\uff1a<a href=\"https:\/\/www.cnblogs.com\/ailiyatou\/p\/16075938.html\">redis\u4e3b\u952e\u8fc7\u671f\u76d1\u542c &#8211; \u7231\u674e\u4e2b\u5934 &#8211; \u535a\u5ba2\u56ed (cnblogs.com)<\/a>\uff0c\u7cfb\u7edf\u6302\u4e86\uff0c\u53ef\u80fd\u5bfc\u81f4\u68c0\u76d1\u63a7\u6709\u95ee\u9898\u5427\u3002\u3002<\/p>\n\n\n\n<p>1. <em>\u5f00\u542f\u8fc7\u671f\u4e8b\u4ef6<\/em><\/p>\n\n\n\n<p>notify-keyspace-events Ex <\/p>\n\n\n\n<p>2.\u63d0\u4f9b\u5bb9\u5668<\/p>\n\n\n\n<p>\u6ce8\u518c RedisMessageListenerContainer \uff0c\u4e3aRedis\u6d88\u606f\u4fa6\u542c\u5668\u63d0\u4f9b\u5f02\u6b65\u884c\u4e3a\u7684\u5bb9\u5668<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@Configuration\npublic class RedisConfigurer  extends CachingConfigurerSupport {\n\n    @Bean\n    RedisMessageListenerContainer container(RedisConnectionFactory connectionFactory) {\n\n        RedisMessageListenerContainer container = new RedisMessageListenerContainer();\n        container.setConnectionFactory(connectionFactory);\n        return container;\n    }\n\n\n}<\/code><\/pre>\n\n\n\n<p>3.\u5b9e\u73b0\u76d1\u542c\u903b\u8f91<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/\u521b\u5efa\u76d1\u542c,\u7ee7\u627fKeyExpirationEventMessageListener \uff0c\u91cd\u5199onMessage\u65b9\u6cd5\n@Component\npublic class RedisKeyExpirationListener extends KeyExpirationEventMessageListener {\n\n    public RedisKeyExpirationListener(RedisMessageListenerContainer listenerContainer) {\n        super(listenerContainer);\n    }\n\n    @Autowired\n    private OrderItemService orderItemService;\n    private static Logger log = LoggerFactory.getLogger(RedisKeyExpirationListener.class);\n\n\n    @Override\n    public void onMessage(Message message, byte&#91;] pattern) {\n    \/\/\u5728\u8fd9\u91cc\u5904\u7406\u4e1a\u52a1\uff0c\u56e0\u4e3a\u65f6\u952e\u8fc7\u671f\uff0c\u6240\u4ee5\u53ea\u80fd\u62ff\u5230\u952e\u503c\uff0c\u4e0d\u80fd\u62ff\u5230value\n        String expiredKey = message.toString();\n        log.info(\"Redis\u4e3b\u952e\u8fc7\u671f\u76d1\u542c\" + expiredKey);\n        if (expiredKey.startsWith(\"order:\")) {\n                log.info(\"Redis\u4e3b\u952e\u8fc7\u671f\u76d1\u542c\u7b26\u5408\u8981\u6c42\u7684\u4e3b\u952e\" + expiredKey);\n                \/\/Todo\u53d6\u6d88\u8ba2\u5355\n                orderItemService.updateCannelOrderByTimeOut(expiredKey);\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53c2\u8003\uff1aredis\u4e3b\u952e\u8fc7\u671f\u76d1\u542c &#8211; \u7231\u674e\u4e2b\u5934 &#8211; \u535a\u5ba2\u56ed (cnblogs.com)\uff0c\u7cfb [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[199],"_links":{"self":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2846"}],"collection":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2846"}],"version-history":[{"count":13,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2846\/revisions"}],"predecessor-version":[{"id":2861,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/2846\/revisions\/2861"}],"wp:attachment":[{"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zeroheart.xyz\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}