{"id":201176,"date":"2025-05-10T08:18:17","date_gmt":"2025-05-10T00:18:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201176\/"},"modified":"2025-05-10T08:18:17","modified_gmt":"2025-05-10T00:18:17","slug":"%e5%85%b3%e4%ba%8espringboot-%e4%bd%bf%e7%94%a8-redis-%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81%e8%a7%a3%e5%86%b3%e5%b9%b6%e5%8f%91%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201176\/","title":{"rendered":"\u5173\u4e8eSpringBoot \u4f7f\u7528 Redis \u5206\u5e03\u5f0f\u9501\u89e3\u51b3\u5e76\u53d1\u95ee\u9898"},"content":{"rendered":"

<\/b> <\/p>\n

\u5173\u4e8eSpringBoot \u4f7f\u7528 Redis \u5206\u5e03\u5f0f\u9501\u89e3\u51b3\u5e76\u53d1\u95ee\u9898<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762golang\u5b66\u4e60\u7f51\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300a\u5173\u4e8eSpringBoot \u4f7f\u7528 Redis \u5206\u5e03\u5f0f\u9501\u89e3\u51b3\u5e76\u53d1\u95ee\u9898\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n

\u95ee\u9898\u80cc\u666f<\/h2>\n

\u73b0\u5728\u7684\u5e94\u7528\u7a0b\u5e8f\u67b6\u6784\u4e2d\uff0c\u5f88\u591a\u670d\u52a1\u90fd\u662f\u591a\u526f\u672c\u8fd0\u884c\uff0c\u4ece\u800c\u4fdd\u8bc1\u670d\u52a1\u7684\u7a33\u5b9a\u6027\u3002\u4e00\u4e2a\u670d\u52a1\u5b9e\u4f8b\u6302\u4e86\uff0c\u5176\u4ed6\u670d\u52a1\u4f9d\u65e7\u53ef\u4ee5\u63a5\u6536\u8bf7\u6c42\u3002\u4f46\u662f\u670d\u52a1\u7684\u591a\u526f\u672c\u8fd0\u884c\u968f\u4e4b\u4e5f\u4f1a\u5f15\u6765\u4e00\u4e9b\u5206\u5e03\u5f0f\u95ee\u9898\uff0c\u6bd4\u5982\u67d0\u4e2a\u63a5\u53e3\u7684\u5904\u7406\u903b\u8f91\u662f\u8fd9\u6837\u7684\uff1a\u63a5\u6536\u5230\u8bf7\u6c42\u540e\uff0c\u5148\u67e5\u8be2 DB \u770b\u662f\u5426\u6709\u76f8\u5173\u7684\u6570\u636e\uff0c\u5982\u679c\u6ca1\u6709\u5219\u63d2\u5165\u6570\u636e\uff0c\u5982\u679c\u6709\u5219\u66f4\u65b0\u6570\u636e\u3002\u5728\u8fd9\u79cd\u573a\u666f\u4e0b\u5982\u679c\u76f8\u540c\u7684 N \u4e2a\u8bf7\u6c42\u5e76\u53d1\u53d1\u5230\u540e\u7aef\u670d\u52a1\u5b9e\u4f8b\uff0c\u5c31\u4f1a\u51fa\u73b0\u91cd\u590d\u63d2\u5165\u6570\u636e\u7684\u60c5\u51b5\uff1a<\/p>\n

<\/p>\n

\u89e3\u51b3\u65b9\u6848<\/h2>\n

\u9488\u5bf9\u4e0a\u9762\u95ee\u9898\uff0c\u4e00\u822c\u7684\u89e3\u51b3\u65b9\u6848\u662f\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\u6765\u89e3\u51b3\u3002\u540c\u4e00\u4e2a\u8fdb\u7a0b\u5185\u7684\u8bdd\u7528\u672c\u8fdb\u7a0b\u5185\u7684\u9501\u5373\u53ef\u89e3\u51b3\uff0c\u4f46\u662f\u670d\u52a1\u591a\u5b9e\u4f8b\u90e8\u7f72\u7684\u8bdd\u662f\u5206\u5e03\u5f0f\u7684\uff0c\u5404\u81ea\u8fdb\u7a0b\u72ec\u7acb\uff0c\u8fd9\u79cd\u60c5\u51b5\u4e0b\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u5168\u5c40\u83b7\u53d6\u9501\u7684\u5730\u65b9\uff0c\u5404\u4e2a\u8fdb\u7a0b\u90fd\u53ef\u4ee5\u901a\u8fc7\u67d0\u79cd\u65b9\u5f0f\u83b7\u53d6\u8fd9\u4e2a\u5168\u5c40\u9501\uff0c\u83b7\u5f97\u5230\u9501\u540e\u5c31\u53ef\u4ee5\u6267\u884c\u76f8\u5173\u4e1a\u52a1\u903b\u8f91\u4ee3\u7801\uff0c\u6ca1\u6709\u62ff\u5230\u9501\u5219\u8df3\u8fc7\u4e0d\u6267\u884c\uff0c\u8fd9\u4e2a\u5168\u5c40\u9501\u5c31\u662f\u6211\u4eec\u6240\u8bf4\u7684\u5206\u5e03\u5f0f\u9501\u3002\u5206\u5e03\u5f0f\u9501\u4e00\u822c\u6709\u4e09\u79cd\u5b9e\u73b0\u65b9\u5f0f\uff1a1. \u6570\u636e\u5e93\u4e50\u89c2\u9501\uff1b2. \u57fa\u4e8eRedis\u7684\u5206\u5e03\u5f0f\u9501\uff1b3. \u57fa\u4e8eZooKeeper\u7684\u5206\u5e03\u5f0f\u9501\u3002<\/p>\n

\u6211\u4eec\u8fd9\u91cc\u4ecb\u7ecd\u5982\u4f55\u57fa\u4e8e Redis \u7684\u5206\u5e03\u5f0f\u9501\u6765\u89e3\u51b3\u5206\u5e03\u5f0f\u5e76\u53d1\u95ee\u9898\uff1aRedis \u5145\u5f53\u83b7\u53d6\u5168\u5c40\u9501\u7684\u5730\u65b9\uff0c\u6bcf\u4e2a\u5b9e\u4f8b\u5728\u63a5\u6536\u5230\u8bf7\u6c42\u7684\u65f6\u5019\u9996\u5148\u4ece Redis \u83b7\u53d6\u9501\uff0c\u83b7\u53d6\u5230\u9501\u540e\u6267\u884c\u4e1a\u52a1\u903b\u8f91\u4ee3\u7801\uff0c\u6ca1\u4e89\u62a2\u5230\u9501\u5219\u653e\u5f03\u6267\u884c\u3002<\/p>\n

<\/p>\n

\u4e3b\u8981\u5b9e\u73b0\u539f\u7406\uff1a
<\/h3>\n

Redis \u9501\u4e3b\u8981\u5229\u7528 Redis \u7684 setnx \u547d\u4ee4\uff1a<\/p>\n

\u52a0\u9501\u547d\u4ee4\uff1aSETNX key value\uff0c\u5f53\u952e\u4e0d\u5b58\u5728\u65f6\uff0c\u5bf9\u952e\u8fdb\u884c\u8bbe\u7f6e\u64cd\u4f5c\u5e76\u8fd4\u56de\u6210\u529f\uff0c\u5426\u5219\u8fd4\u56de\u5931\u8d25\u3002KEY \u662f\u9501\u7684\u552f\u4e00\u6807\u8bc6\uff0c\u4e00\u822c\u6309\u4e1a\u52a1\u6765\u51b3\u5b9a\u547d\u540d\u3002Value \u4e00\u822c\u7528 UUID \u6807\u8bc6\uff0c\u786e\u4fdd\u9501\u4e0d\u88ab\u8bef\u89e3\u3002<\/p>\n

\u89e3\u9501\u547d\u4ee4\uff1aDEL key\uff0c\u901a\u8fc7\u5220\u9664\u952e\u503c\u5bf9\u91ca\u653e\u9501\uff0c\u4ee5\u4fbf\u5176\u4ed6\u7ebf\u7a0b\u53ef\u4ee5\u901a\u8fc7 SETNX \u547d\u4ee4\u6765\u83b7\u53d6\u9501\u3002<\/p>\n

\u9501\u8d85\u65f6\uff1aEXPIRE key timeout, \u8bbe\u7f6e key \u7684\u8d85\u65f6\u65f6\u95f4\uff0c\u4ee5\u4fdd\u8bc1\u5373\u4f7f\u9501\u6ca1\u6709\u88ab\u663e\u5f0f\u91ca\u653e\uff0c\u9501\u4e5f\u53ef\u4ee5\u5728\u4e00\u5b9a\u65f6\u95f4\u540e\u81ea\u52a8\u91ca\u653e\uff0c\u907f\u514d\u8d44\u6e90\u88ab\u6c38\u8fdc\u9501\u4f4f\u3002<\/p>\n

\u53ef\u9760\u6027\uff1a
<\/h3>\n

\u4e3a\u4e86\u786e\u4fdd\u5206\u5e03\u5f0f\u9501\u53ef\u7528\uff0c\u6211\u4eec\u81f3\u5c11\u8981\u786e\u4fdd\u9501\u7684\u5b9e\u73b0\u540c\u65f6\u6ee1\u8db3\u4ee5\u4e0b\u56db\u4e2a\u6761\u4ef6\uff1a<\/p>\n

    \n
  • \u4e92\u65a5\u6027\u3002\u5728\u4efb\u610f\u65f6\u523b\uff0c\u4fdd\u8bc1\u53ea\u6709\u4e00\u53f0\u673a\u5668\u7684\u4e00\u4e2a\u7ebf\u7a0b\u53ef\u4ee5\u6301\u6709\u9501\uff1b<\/li>\n
  • \u4e0d\u4f1a\u53d1\u751f\u6b7b\u9501\u3002\u5373\u4f7f\u6709\u4e00\u4e2a\u5ba2\u6237\u7aef\u5728\u6301\u6709\u9501\u7684\u671f\u95f4\u5d29\u6e83\u800c\u6ca1\u6709\u4e3b\u52a8\u89e3\u9501\uff0c\u4e5f\u80fd\u4fdd\u8bc1\u540e\u7eed\u5176\u4ed6\u5ba2\u6237\u7aef\u80fd\u52a0\u9501\uff1b<\/li>\n
  • \u5177\u5907\u975e\u963b\u585e\u6027\u3002\u4e00\u65e6\u83b7\u53d6\u4e0d\u5230\u9501\u5c31\u7acb\u523b\u8fd4\u56de\u52a0\u9501\u5931\u8d25\uff1b<\/li>\n
  • \u52a0\u9501\u548c\u89e3\u9501\u5fc5\u987b\u662f\u540c\u4e00\u4e2a\u5ba2\u6237\u7aef\uff0c\u5ba2\u6237\u7aef\u81ea\u5df1\u4e0d\u80fd\u628a\u522b\u4eba\u52a0\u7684\u9501\u7ed9\u89e3\u4e86\uff1b<\/li>\n<\/ul>\n

    SpringBoot \u96c6\u6210\u4f7f\u7528 Redis \u5206\u5e03\u5f0f\u9501<\/h2>\n

    \u5199\u4e86\u4e00\u4e2a RedisLock \u5de5\u5177\u7c7b\uff0c\u7528\u4e8e\u4e1a\u52a1\u903b\u8f91\u6267\u884c\u524d\u52a0\u9501\u548c\u4e1a\u52a1\u903b\u8f91\u6267\u884c\u5b8c\u89e3\u9501\u64cd\u4f5c\u3002\u8fd9\u91cc\u7684\u52a0\u9501\u64cd\u4f5c\u53ef\u80fd\u5b9e\u73b0\u7684\u4e0d\u662f\u5f88\u5b8c\u5584\uff0c\u6709\u52a0\u9501\u548c\u9501\u8fc7\u671f\u4e24\u4e2a\u64cd\u4f5c\u539f\u5b50\u6027\u95ee\u9898\uff0c\u5982\u679c SpringBoot \u7248\u672c\u662f2.x\u7684\u8bdd\u662f\u53ef\u4ee5\u7528\u6ce8\u91ca\u4e2d\u7684\u4ee3\u7801\u5728\u52a0\u9501\u7684\u65f6\u5019\u540c\u65f6\u8bbe\u7f6e\u9501\u8fc7\u671f\u65f6\u95f4\uff0c\u5982\u679c SpringBoot \u7248\u672c\u662f2.x\u4ee5\u4e0b\u7684\u8bdd\u5efa\u8bae\u4f7f\u7528 Lua \u811a\u672c\u6765\u786e\u4fdd\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u8fd9\u91cc\u4e3a\u4e86\u7b80\u5355\u5c31\u5148\u8fd9\u6837\u5199\uff1a<\/p>\n

    \nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.data.redis.core.StringRedisTemplate;\nimport org.springframework.data.redis.core.script.DefaultRedisScript;\nimport org.springframework.stereotype.Component;\n\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.concurrent.TimeUnit;\n\n\/**\n * @description: Redis\u5206\u5e03\u5f0f\u9501\u5b9e\u73b0\u5de5\u5177\u7c7b\n * @author: qianghaohao\n * @time: 2021\/7\/19\n *\/\n@Component\npublic class RedisLock {\n    @Autowired\n    StringRedisTemplate redisTemplate;\n\n    \/**\n     * \u83b7\u53d6\u9501\n     *\n     * @param lockKey    \u9501\n     * @param identity   \u8eab\u4efd\u6807\u8bc6\uff08\u4fdd\u8bc1\u9501\u4e0d\u4f1a\u88ab\u5176\u4ed6\u4eba\u91ca\u653e\uff09\n     * @param expireTime \u9501\u7684\u8fc7\u671f\u65f6\u95f4\uff08\u5355\u4f4d\uff1a\u79d2\uff09\n     * @return\n     *\/\n    public boolean lock(String lockKey, String identity, long expireTime) {\n        \/\/ \u7531\u4e8e\u6211\u4eec\u76ee\u524d springboot \u7248\u672c\u6bd4\u8f83\u4f4e\uff0c1.5.9\uff0c\u56e0\u6b64\u8fd8\u4e0d\u652f\u6301\u4e0b\u9762\u8fd9\u79cd\u5199\u6cd5\n        \/\/ return redisTemplate.opsForValue().setIfAbsent(lockKey, identity, expireTime, TimeUnit.SECONDS);\n        if (redisTemplate.opsForValue().setIfAbsent(lockKey, identity)) {\n            redisTemplate.expire(lockKey, expireTime, TimeUnit.SECONDS);\n            return true;\n        }\n        return false;\n    }\n\n    \/**\n     * \u91ca\u653e\u9501\n     *\n     * @param lockKey  \u9501\n     * @param identity \u8eab\u4efd\u6807\u8bc6\uff08\u4fdd\u8bc1\u9501\u4e0d\u4f1a\u88ab\u5176\u4ed6\u4eba\u91ca\u653e\uff09\n     * @return\n     *\/\n    public boolean releaseLock(String lockKey, String identity) {\n        String luaScript = \"if \" +\n                \"  redis.call('get', KEYS[1]) == ARGV[1] \" +\n                \"then \" +\n                \"  return redis.call('del', KEYS[1]) \" +\n                \"else \" +\n                \"  return 0 \" +\n                \"end\";\n        DefaultRedisScript\n   \n     redisScript = new DefaultRedisScript();\n        redisScript.setResultType(Boolean.class);\n        redisScript.setScriptText(luaScript);\n        List\n    \n      keys = new ArrayList(); keys.add(lockKey); Object result = redisTemplate.execute(redisScript, keys, identity); return (boolean) result; } } \n    \n   <\/pre>\n
    \u4f7f\u7528\u793a\u4f8b<\/h2>\n
    \u8fd9\u91cc\u53ea\u8d34\u51fa\u5173\u952e\u7684\u4f7f\u7528\u4ee3\u7801\uff0c\u6ce8\u610f\uff1a\u9501\u7684 key \u6839\u636e\u81ea\u5df1\u7684\u4e1a\u52a1\u903b\u8f91\u547d\u540d\uff0c\u80fd\u552f\u4e00\u6807\u793a\u540c\u4e00\u4e2a\u8bf7\u6c42\u5373\u53ef\u3002value \u8fd9\u91cc\u8bbe\u7f6e\u4e3a UUID\uff0c\u4e3a\u4e86\u786e\u4fdd\u91ca\u653e\u9501\u7684\u65f6\u5019\u80fd\u6b63\u786e\u91ca\u653e\uff08\u53ea\u91ca\u653e\u81ea\u5df1\u52a0\u7684\u9501\uff09\u3002<\/p>\n
    \n@Autowired\nprivate RedisLock redisLock;  \/\/ redis \u5206\u5e03\u5f0f\u9501\n<\/pre>\n
    \n        String redisLockKey = String.format(\"%s:docker-image:%s\", REDIS_LOCK_PREFIX, imageVo.getImageRepository());\n        String redisLockValue = UUID.randomUUID().toString();\n        try {\n            if (!redisLock.lock(redisLockKey, redisLockValue, REDIS_LOCK_TIMEOUT)) {\n                logger.info(\"redisLockKey [\" + redisLockKey + \"] \u5df2\u5b58\u5728\uff0c\u4e0d\u6267\u884c\u955c\u50cf\u63d2\u5165\u548c\u66f4\u65b0\");\n                result.setMessage(\"\u65b0\u5efa\u955c\u50cf\u9891\u7e41\uff0c\u7a0d\u540e\u91cd\u8bd5\uff0c\u9501\u5360\u7528\");\n                return result;\n            }\n            ... \/\/ \u6267\u884c\u4e1a\u52a1\u903b\u8f91\n       catch (Execpion e) {\n            ... \/\/ \u5f02\u5e38\u5904\u7406\n       } finally {  \/\/ \u91ca\u653e\u9501\n            if (!redisLock.releaseLock(redisLockKey, redisLockValue)) {\n                logger.error(\"\u91ca\u653eredis\u9501 [\" + redisLockKey + \"] \u5931\u8d25);\n            } else {\n                logger.error(\"\u91ca\u653eredis\u9501 [\" + redisLockKey + \"] \u6210\u529f\");\n            }\n        }\n<\/pre>\n
    \u53c2\u8003\u6587\u6863<\/h2>\n
    <\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5173\u4e8eSpringBoot \u4f7f\u7528 ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201176","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201176"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201176\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}