{"id":44705,"date":"2024-12-01T11:09:28","date_gmt":"2024-12-01T03:09:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/44705\/"},"modified":"2024-12-01T11:09:28","modified_gmt":"2024-12-01T03:09:28","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8caffeine_redis%e4%b8%ad%e8%87%aa%e5%ae%9a%e4%b9%89%e4%ba%8c%e7%ba%a7%e7%bc%93%e5%ad%98%e3%80%82","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/44705\/","title":{"rendered":"\u5982\u4f55\u5728caffeine_redis\u4e2d\u81ea\u5b9a\u4e49\u4e8c\u7ea7\u7f13\u5b58\u3002"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u5728caffeine_redis\u4e2d\u81ea\u5b9a\u4e49\u4e8c\u7ea7\u7f13\u5b58\u3002<\/h1>\n<p><span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6765\u5230golang\u5b66\u4e60\u7f51\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6570\u636e\u5e93\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u5982\u4f55\u5728caffeine_redis\u4e2d\u81ea\u5b9a\u4e49\u4e8c\u7ea7\u7f13\u5b58\u3002\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<ul>\n<ul><\/ul>\n<\/ul>\n<h3>\u95ee\u9898<\/h3>\n<p>\u57fa\u4e8e\u63d0\u51fa\u7684\u9700\u6c42\uff0c\u6211\u8ba4\u4e3a\u4e3b\u8981\u6709\u4ee5\u4e0b\u4e24\u4e2a\u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\n<p>\u56e0\u4e3a\u6709\u672c\u5730\u7f13\u5b58\uff0c\u5982\u4f55\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u3002\u5f53\u4e00\u4e2a\u8282\u70b9\u6570\u636e\u6539\u53d8\uff0c\u5176\u4ed6\u8282\u70b9\u7684\u6570\u636e\u5982\u4f55\u5931\u6548\uff1f<\/p>\n<\/li>\n<li>\n<p>\u6570\u636e\u4e0d\u5bf9\uff0c\u9700\u8981\u91cd\u65b0\u540c\u6b65\uff0c\u7f13\u5b58\u5982\u4f55\u5931\u6548\uff1f<\/p>\n<\/li>\n<\/ul>\n<h3>\u6d41\u7a0b\u56fe<\/h3>\n<p>\u63a5\u4e0b\u6765\u5c31\u662f\u914d\u5408\u4ea7\u54c1\u548c\u5176\u4ed6\u5f00\u53d1\u4eba\u5458\u753b\u51fa\u6d41\u7a0b\u56fe\uff0c\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\n<p>\u4f7f\u7528\u4e00\u5f20\u914d\u7f6e\u8868\uff0c\u8bb0\u5f55\u662f\u5426\u9700\u8981\u7f13\u5b58\uff0c\u662f\u5426\u5f00\u542f\u7f13\u5b58\uff0c\u6765\u8fbe\u5230\u901a\u77e5\u65f6\u5019\u7f13\u5b58\u5931\u6548\u7684\u60c5\u51b5\u3002<\/p>\n<\/li>\n<li>\n<p>\u56e0\u4e3a\u9879\u76ee\u8981\u6c42\u4e00\u822c\uff0c\u5373\u4f7f\u6d88\u606f\u4e22\u5931\uff0c\u4e5f\u4e0d\u4f1a\u5b58\u5728\u592a\u5927\u7684\u5f71\u54cd\uff0c\u6240\u4ee5\u6700\u7ec8\u9009\u62e9\u4e86 redis \u91cc\u9762\u7684\u8ba2\u9605\u3001\u53d1\u5e03\u529f\u80fd\uff0c\u5b9e\u73b0\u901a\u77e5\u5176\u4ed6\u8282\u70b9\u5931\u6548\u672c\u5730\u7f13\u5b58\u3002<\/p>\n<\/li>\n<\/ul>\n<h3>\u5f00\u53d1<\/h3>\n<p>\u4e0a\u9762\u95ee\u9898\u6e05\u695a\u4e86\uff0c\u6d41\u7a0b\u56fe\u4e5f\u6e05\u695a\u4e86\u3002\u90a3\u5c31\u51c6\u5907\u5f00\u59cb\u5199 bug \u4e86\u3002\u6574\u4f53\u601d\u8def\u662f\u81ea\u5b9a\u4e49\u6ce8\u89e3\u5b9e\u73b0\u5207\u9762\uff0c\u5c3d\u91cf\u964d\u4f4e\u5bf9\u4e1a\u52a1\u4ee3\u7801\u7684\u8026\u5408\u5ea6\u3002<\/p>\n<h4>CacheConfig<\/h4>\n<p>\u4e3b\u8981\u662f\u7ed3\u5408\u4e1a\u52a1\u5b9a\u4e49\u4e00\u4e2a CacheManager\uff0c\u4ee3\u7801\u91cc\u9762\u7684\u89e3\u91ca\u90fd\u6709\u3002\u56e0\u4e3a\u8fd9\u4e2a\u662f\u76f4\u63a5\u5360\u7528\u7a0b\u5e8f\u5185\u5b58\u7684\uff0c\u6240\u6709\u5f97\u7279\u522b\u6ce8\u610f\u6700\u5927\u53ef\u7f13\u5b58\u6761\u6570\uff0c\u522b\u628a\u5185\u5b58\u809d\u7206\u4e86\u3002\u5f53\u7136\u4e5f\u4e0d\u80fd\u592a\u5c0f\u4e86\uff0c\u56e0\u4e3a\u8fd8\u8981\u8003\u8651\u547d\u4e2d\u7387\u7684\u95ee\u9898\u3002\u6240\u4ee5\u8fd9\u5c31\u5f97\u7ed3\u5408\u5b9e\u9645\u5f97\u4e1a\u52a1\u6765\u786e\u5b9a\u6700\u7ec8\u7684\u5927\u5c0f\u3002<\/p>\n<pre>@Bean(name&nbsp;=&nbsp;JKDDCX)\n@Primary\npublic&nbsp;CacheManager&nbsp;cacheManager()&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CaffeineCacheManager&nbsp;cacheManager&nbsp;&nbsp;=&nbsp;new&nbsp;CaffeineCacheManager();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cacheManager.setCaffeine(Caffeine.newBuilder()\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u8bbe\u7f6e\u6700\u540e\u4e00\u6b21\u5199\u5165\u6216\u8bbf\u95ee\u540e\u7ecf\u8fc7\u56fa\u5b9a\u65f6\u95f4\u8fc7\u671f\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.expireAfterAccess(EXPIRE,&nbsp;TIME_UNIT)\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u8bbe\u7f6e\u672c\u5730\u7f13\u5b58\u5199\u5165\u540e\u8fc7\u671f\u65f6\u95f4\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.expireAfterWrite(EXPIRE,&nbsp;TIME_UNIT)\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u521d\u59cb\u7684\u7f13\u5b58\u7a7a\u95f4\u5927\u5c0f\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.initialCapacity(500)\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u7f13\u5b58\u7684\u6700\u5927\u6761\u6570\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.maximumSize(1000));\/\/&nbsp;\u4f7f\u7528\u4eba\u6570&nbsp;*&nbsp;5&nbsp;\uff08\u6bcf\u4e2a\u4eba\u4e0d\u540c\u7684\u5165\u53c2&nbsp;5&nbsp;\u6761\uff09\\\n&nbsp;&nbsp;return&nbsp;cacheManager;\n}<\/pre>\n<h4>@CaffeineCache<\/h4>\n<p>\u81ea\u5b9a\u4e49\u6ce8\u89e3\uff0c\u628a\u53ef\u4ee5\u7528\u5230\u7684\u53c2\u6570\u90fd\u80fd\u52a0\u4e0a\u3002<\/p>\n<pre>@Target({&nbsp;ElementType.METHOD&nbsp;,ElementType.TYPE})\n@Retention(RetentionPolicy.RUNTIME)\n@Documented\npublic&nbsp;@interface&nbsp;CaffeineCache&nbsp;{\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;String&nbsp;moudleId()&nbsp;default&nbsp;\"\";\n&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u7528\u4e8e\u5728\u6570\u636e\u5e93\u4e2d\u914d\u7f6e\u53c2\u6570\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;String&nbsp;methodId()&nbsp;default&nbsp;\"\";\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;String&nbsp;cachaName()&nbsp;default&nbsp;\"\";\n&nbsp;&nbsp;&nbsp;&nbsp;\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u52a8\u6001\u5207\u6362\u5b9e\u9645\u7684&nbsp;CacheManager\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;String&nbsp;cacheManager()&nbsp;default&nbsp;\"\";\n\n}<\/pre>\n<h4>CacheMessageListener<\/h4>\n<p>\u7f13\u5b58\u76d1\u542c\u5668\uff0c\u4e3b\u8981\u662f\u4fdd\u8bc1\u591a\u8282\u70b9\u6570\u636e\u4e00\u81f4\u6027\u7684\u95ee\u9898\u3002\u5f53\u4e00\u4e2a\u8282\u70b9\u7f13\u5b58\u66f4\u65b0\uff0c\u901a\u77e5\u5176\u4ed6\u7684\u8282\u70b9\u76f8\u5e94\u5904\u7406\u3002\u4e3b\u8981\u6280\u672f\u662f Redis \u7684\u53d1\u5e03\u3001\u8ba2\u9605\u529f\u80fd\uff0c\u5b9e\u73b0 MessageListener \u63a5\u53e3\u3002<\/p>\n<p>\u5f53\u7136\u4e0b\u9762\u8fd8\u6709\u4e2a\u7ec6\u8282\u5c31\u662f\u4e00\u822c\u751f\u4ea7\u73af\u5883\u662f\u7981\u7528 Redis#keys \u547d\u4ee4\u7684\uff0c\u6240\u4ee5\u5f97\u6362\u4e2a\u65b9\u5f0f\u626b\u63cf\u5bf9\u5e94\u7684 key\u3002<\/p>\n<pre>public&nbsp;class&nbsp;CacheMessageListener&nbsp;implements&nbsp;MessageListener&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;@Override\n&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;void&nbsp;onMessage(Message&nbsp;message,&nbsp;byte[]&nbsp;pattern)&nbsp;{\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CacheMessage&nbsp;cacheMessage&nbsp;=&nbsp;(CacheMessage)&nbsp;redisTemplate.getValueSerializer().deserialize(message.getBody());\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logger.info(\"\u6536\u5230redis\u6e05\u9664\u7f13\u5b58\u6d88\u606f,&nbsp;\u5f00\u59cb\u6e05\u9664\u672c\u5730\u7f13\u5b58,&nbsp;the&nbsp;cacheName&nbsp;is&nbsp;{},&nbsp;the&nbsp;key&nbsp;is&nbsp;{}\",&nbsp;cacheMessage.getCacheName(),&nbsp;cacheMessage.getKey());\n\/\/\t\tredisCaffeineCacheManager.clearLocal(cacheMessage.getCacheName(),&nbsp;cacheMessage.getKey());\n\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/**\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;\u5982\u679c\u662f\u4e00\u4e2a\u7c7b\u4e0a\u4f7f\u7528\u4e86&nbsp;\u6ce8\u89e3&nbsp;@CaffeineCache&nbsp;\uff0c\u90a3\u4e48\u6240\u6709\u63a5\u53e3\u90fd\u4f1a\u7f13\u5b58\u3002\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;\u4e0b\u9762\u7684\u903b\u8f91\u662f\uff1a\u9664\u4e86\u5f53\u524d\u6a21\u5757\u7684\u63a5\u53e3\u8bbf\u95ee\u7684\u5165\u53c2&nbsp;key\uff0c\u5176\u4ed6\u7684&nbsp;redis&nbsp;\u7f13\u5b58\u90fd\u4f1a\u88ab\u6e05\u9664\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;\uff08\u6bd4\u5982\u6b64\u6a21\u5757\u7684\u8868\u66f4\u65b0\u4e86\uff0c\u4f46\u662f\u5f53\u524d\u8c03\u7528\u6b64\u63a5\u53e3\u53ea\u662f\u7f13\u5b58\u4e86\u5f53\u524d\u8fd9\u4e2a\u5165\u53c2\u7684redis,\u5176\u4ed6\u7684\u6570\u636e\u5220\u9664\uff09\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*\/\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;String&nbsp;prefixKey&nbsp;=&nbsp;RedisConstant.WXYMG_DATA_CACHE&nbsp;+&nbsp;cacheMessage.getCacheName();\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set\n   \n    &nbsp;keys&nbsp;=&nbsp;redisTemplate.execute((RedisCallback\n    \n     &gt;)&nbsp;connection&nbsp;-&gt;&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set\n     \n      &nbsp;keysTmp&nbsp;=&nbsp;new&nbsp;HashSet(); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Cursor\n      \n       &nbsp;cursor&nbsp;=&nbsp;connection.scan(new&nbsp;ScanOptions.ScanOptionsBuilder(). &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;match(prefixKey&nbsp;+&nbsp;\"*\"). &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;count(50).build()); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;while&nbsp;(cursor.hasNext())&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;keysTmp.add(new&nbsp;String(cursor.next())); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;keysTmp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Iterator&nbsp;iterator&nbsp;=&nbsp;keys.iterator(); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;while&nbsp;(iterator.hasNext())&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(iterator.next().toString().equals(cacheMessage.getKey()))&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;iterator.remove(); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;redisTemplate.delete(keys); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cacheConfig.cacheManager().getCache(cacheMessage.getCacheName()).clear();&nbsp;\/\/cacheName&nbsp;\u4e0b\u7684\u90fd\u5220\u9664 &nbsp;&nbsp;&nbsp;&nbsp;} }\n      \n     \n    \n   <\/pre>\n<h4>CaffeineCacheAspect<\/h4>\n<p>\u7136\u540e\u5c31\u662f\u5207\u9762\u7684\u903b\u8f91\u5904\u7406\uff0c\u91cc\u9762\u7684\u5185\u5bb9\u548c \u6d41\u7a0b\u56fe \u4e00\u6a21\u4e00\u6837\uff0c\u53ea\u662f\u4f7f\u7528\u4ee3\u7801\u5b9e\u73b0\u4e86\u9700\u6c42\u3002<\/p>\n<p>\u5176\u4e2d\uff1a\u4e0b\u9762\u7684\u4ee3\u7801\u662f Redis \u53d1\u5e03\u6d88\u606f\u3002<\/p>\n<pre>redisTemplate.convertAndSend(CacheConfig.TOPIC,&nbsp;new&nbsp;CacheMessage(caffeineCache.cachaName(),&nbsp;redisKey));<\/pre>\n<h4>CacheMessage<\/h4>\n<p>\u8fd9\u662f\u5728 Redis \u53d1\u5e03\u6d88\u606f\u7684\u65f6\u5019\u4e00\u4e2a\u6d88\u606f\u4f53\uff0c\u4e5f\u662f\u81ea\u5b9a\u4e49\u7684\uff0c\u53ef\u4ee5\u52a0\u66f4\u591a\u7684\u53c2\u6570\u5c5e\u6027<\/p>\n<pre>public&nbsp;class&nbsp;CacheMessage&nbsp;implements&nbsp;Serializable&nbsp;{\n\n\tprivate&nbsp;static&nbsp;final&nbsp;long&nbsp;serialVersionUID&nbsp;=&nbsp;-1L;\n\n\tprivate&nbsp;String&nbsp;cacheName;\n\n\tprivate&nbsp;Object&nbsp;key;\n\n\tpublic&nbsp;CacheMessage(String&nbsp;cacheName,&nbsp;Object&nbsp;key)&nbsp;{\n\t\tsuper();\n\t\tthis.cacheName&nbsp;=&nbsp;cacheName;\n\t\tthis.key&nbsp;=&nbsp;key;\n\t}\n\n}<\/pre>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u5728caffeine_redis\u4e2d\u81ea\u5b9a\u4e49\u4e8c\u7ea7\u7f13\u5b58\u3002\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~golang\u5b66\u4e60\u7f51\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6570\u636e\u5e93\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<p>  \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1a\u4ebf\u901f\u4e91 \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb \u5220\u9664  <\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   mysql&nbsp;left&nbsp;join\u7684\u57fa\u672c\u7528\u6cd5\u53caon\u4e0ewhere\u7684\u533a\u522b\u662f\u4ec0\u4e48\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u4ec0\u4e48\u662fMySQL\u4e2dcase when\u7684\u57fa\u672c\u7528\u6cd5\u548c\u533a\u522b\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u5728caffeine_redis\u4e2d\u81ea\u5b9a\u4e49\u4e8c\u7ea7\u7f13\u5b58\u3002 0\u6d4f\u89c8 \u6536\u85cf \u6765\u5230golang\u5b66\u4e60\u7f51\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60\u6570\u636e\u5e93\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u5982\u4f55\u5728caffeine_redis\u4e2d\u81ea\u5b9a\u4e49\u4e8c\u7ea7\u7f13\u5b58\u3002\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 \u95ee\u9898 \u57fa\u4e8e\u63d0\u51fa\u7684\u9700\u6c42\uff0c\u6211\u8ba4\u4e3a\u4e3b\u8981\u6709\u4ee5\u4e0b\u4e24\u4e2a\u95ee\u9898\uff1a \u56e0\u4e3a\u6709\u672c\u5730\u7f13\u5b58\uff0c\u5982\u4f55\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u3002\u5f53\u4e00\u4e2a\u8282\u70b9\u6570\u636e\u6539\u53d8\uff0c\u5176\u4ed6\u8282\u70b9\u7684\u6570\u636e\u5982\u4f55\u5931\u6548\uff1f \u6570\u636e\u4e0d\u5bf9\uff0c\u9700\u8981\u91cd\u65b0\u540c\u6b65\uff0c\u7f13\u5b58\u5982\u4f55\u5931\u6548\uff1f \u6d41\u7a0b\u56fe \u63a5\u4e0b\u6765\u5c31\u662f\u914d\u5408\u4ea7\u54c1\u548c\u5176\u4ed6\u5f00\u53d1\u4eba\u5458\u753b\u51fa\u6d41\u7a0b\u56fe\uff0c\u5982\u4e0b\uff1a \u4f7f\u7528\u4e00\u5f20\u914d\u7f6e\u8868\uff0c\u8bb0\u5f55\u662f\u5426\u9700\u8981\u7f13\u5b58\uff0c\u662f\u5426\u5f00\u542f\u7f13\u5b58\uff0c\u6765\u8fbe\u5230\u901a\u77e5\u65f6\u5019\u7f13\u5b58\u5931\u6548\u7684\u60c5\u51b5\u3002 \u56e0\u4e3a\u9879\u76ee\u8981\u6c42\u4e00\u822c\uff0c\u5373\u4f7f\u6d88\u606f\u4e22\u5931\uff0c\u4e5f\u4e0d\u4f1a\u5b58\u5728\u592a\u5927\u7684\u5f71\u54cd\uff0c\u6240\u4ee5\u6700\u7ec8\u9009\u62e9\u4e86 redis \u91cc\u9762\u7684\u8ba2\u9605\u3001\u53d1\u5e03\u529f\u80fd\uff0c\u5b9e\u73b0\u901a\u77e5\u5176\u4ed6\u8282\u70b9\u5931\u6548\u672c\u5730\u7f13\u5b58\u3002 \u5f00\u53d1 \u4e0a\u9762\u95ee\u9898\u6e05\u695a\u4e86\uff0c\u6d41\u7a0b\u56fe\u4e5f\u6e05\u695a\u4e86\u3002\u90a3\u5c31\u51c6\u5907\u5f00\u59cb\u5199 bug \u4e86\u3002\u6574\u4f53\u601d\u8def\u662f\u81ea\u5b9a\u4e49\u6ce8\u89e3\u5b9e\u73b0\u5207\u9762\uff0c\u5c3d\u91cf\u964d\u4f4e\u5bf9\u4e1a\u52a1\u4ee3\u7801\u7684\u8026\u5408\u5ea6\u3002 CacheConfig \u4e3b\u8981\u662f\u7ed3\u5408\u4e1a\u52a1\u5b9a\u4e49\u4e00\u4e2a CacheManager\uff0c\u4ee3\u7801\u91cc\u9762\u7684\u89e3\u91ca\u90fd\u6709\u3002\u56e0\u4e3a\u8fd9\u4e2a\u662f\u76f4\u63a5\u5360\u7528\u7a0b\u5e8f\u5185\u5b58\u7684\uff0c\u6240\u6709\u5f97\u7279\u522b\u6ce8\u610f\u6700\u5927\u53ef\u7f13\u5b58\u6761\u6570\uff0c\u522b\u628a\u5185\u5b58\u809d\u7206\u4e86\u3002\u5f53\u7136\u4e5f\u4e0d\u80fd\u592a\u5c0f\u4e86\uff0c\u56e0\u4e3a\u8fd8\u8981\u8003\u8651\u547d\u4e2d\u7387\u7684\u95ee\u9898\u3002\u6240\u4ee5\u8fd9\u5c31\u5f97\u7ed3\u5408\u5b9e\u9645\u5f97\u4e1a\u52a1\u6765\u786e\u5b9a\u6700\u7ec8\u7684\u5927\u5c0f\u3002 @Bean(name&nbsp;=&nbsp;JKDDCX) @Primary public&nbsp;CacheManager&nbsp;cacheManager()&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CaffeineCacheManager&nbsp;cacheManager&nbsp;&nbsp;=&nbsp;new&nbsp;CaffeineCacheManager(); &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cacheManager.setCaffeine(Caffeine.newBuilder() &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u8bbe\u7f6e\u6700\u540e\u4e00\u6b21\u5199\u5165\u6216\u8bbf\u95ee\u540e\u7ecf\u8fc7\u56fa\u5b9a\u65f6\u95f4\u8fc7\u671f &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.expireAfterAccess(EXPIRE,&nbsp;TIME_UNIT) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u8bbe\u7f6e\u672c\u5730\u7f13\u5b58\u5199\u5165\u540e\u8fc7\u671f\u65f6\u95f4 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.expireAfterWrite(EXPIRE,&nbsp;TIME_UNIT) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u521d\u59cb\u7684\u7f13\u5b58\u7a7a\u95f4\u5927\u5c0f &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.initialCapacity(500) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/&nbsp;\u7f13\u5b58\u7684\u6700\u5927\u6761\u6570 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.maximumSize(1000));\/\/&nbsp;\u4f7f\u7528\u4eba\u6570&nbsp;*&nbsp;5&nbsp;\uff08\u6bcf\u4e2a\u4eba\u4e0d\u540c\u7684\u5165\u53c2&nbsp;5&nbsp;\u6761\uff09\\ &nbsp;&nbsp;return&nbsp;cacheManager; } @CaffeineCache \u81ea\u5b9a\u4e49\u6ce8\u89e3\uff0c\u628a\u53ef\u4ee5\u7528\u5230\u7684\u53c2\u6570\u90fd\u80fd\u52a0\u4e0a\u3002 @Target({&nbsp;ElementType.METHOD&nbsp;,ElementType.TYPE}) @Retention(RetentionPolicy.RUNTIME) @Documented public&nbsp;@interface&nbsp;CaffeineCache&nbsp;{ &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;String&nbsp;moudleId()&nbsp;default&nbsp;&#8220;&#8221;; &nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u7528\u4e8e\u5728\u6570\u636e\u5e93\u4e2d\u914d\u7f6e\u53c2\u6570 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;String&nbsp;methodId()&nbsp;default&nbsp;&#8220;&#8221;; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;String&nbsp;cachaName()&nbsp;default&nbsp;&#8220;&#8221;; &nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\/\/\u52a8\u6001\u5207\u6362\u5b9e\u9645\u7684&nbsp;CacheManager &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;public&nbsp;String&nbsp;cacheManager()&nbsp;default&nbsp;&#8220;&#8221;; } CacheMessageListener \u7f13\u5b58\u76d1\u542c\u5668\uff0c\u4e3b\u8981\u662f\u4fdd\u8bc1\u591a\u8282\u70b9\u6570\u636e\u4e00\u81f4\u6027\u7684\u95ee\u9898\u3002\u5f53\u4e00\u4e2a\u8282\u70b9\u7f13\u5b58\u66f4\u65b0\uff0c\u901a\u77e5\u5176\u4ed6\u7684\u8282\u70b9\u76f8\u5e94\u5904\u7406\u3002\u4e3b\u8981\u6280\u672f\u662f Redis \u7684\u53d1\u5e03\u3001\u8ba2\u9605\u529f\u80fd\uff0c\u5b9e\u73b0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-44705","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/44705","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=44705"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/44705\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=44705"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=44705"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=44705"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}