{"id":201202,"date":"2025-05-10T08:30:55","date_gmt":"2025-05-10T00:30:55","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201202\/"},"modified":"2025-05-10T08:30:55","modified_gmt":"2025-05-10T00:30:55","slug":"%e8%af%a6%e8%a7%a3redistemplate%e4%b8%8bredis%e5%88%86%e5%b8%83%e5%bc%8f%e9%94%81%e5%bc%95%e5%8f%91%e7%9a%84%e7%b3%bb%e5%88%97%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201202\/","title":{"rendered":"\u8be6\u89e3RedisTemplate\u4e0bRedis\u5206\u5e03\u5f0f\u9501\u5f15\u53d1\u7684\u7cfb\u5217\u95ee\u9898"},"content":{"rendered":"

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

\u8be6\u89e3RedisTemplate\u4e0bRedis\u5206\u5e03\u5f0f\u9501\u5f15\u53d1\u7684\u7cfb\u5217\u95ee\u9898<\/h1>\n

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

IT\u884c\u4e1a\u76f8\u5bf9\u4e8e\u4e00\u822c\u4f20\u7edf\u884c\u4e1a\uff0c\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u66f4\u5feb\uff0c\u4e00\u65e6\u505c\u6b62\u4e86\u5b66\u4e60\uff0c\u5f88\u5feb\u5c31\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8e0f\u8e0f\u5b9e\u5b9e\u7684\u4e0d\u65ad\u5b66\u4e60\uff0c\u7cbe\u8fdb\u81ea\u5df1\u7684\u6280\u672f\uff0c\u5c24\u5176\u662f\u521d\u5b66\u8005\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u7ed9\u5927\u5bb6\u6574\u7406\u4e86\u300a\u8be6\u89e3RedisTemplate\u4e0bRedis\u5206\u5e03\u5f0f\u9501\u5f15\u53d1\u7684\u7cfb\u5217\u95ee\u9898\u300b\uff0c\u804a\u804a\u5206\u5e03\u5f0f\u9501\u3001RedisTemplate\uff0c\u6211\u4eec\u4e00\u8d77\u6765\u770b\u770b\u5427\uff01<\/p>\n

      \u81ea\u5df1\u7684\u9879\u76ee\u56e0\u4e3a\u4f1a\u4e00\u76f4\u6293\u53d6\u67d0\u4e9b\u4fe1\u606f\uff0c\u4f46\u662f\u672c\u5730\u4f1a\u548c\u7ebf\u4e0a\u7ecf\u5e38\u4e00\u8d77\u8dd1\uff0c\u9020\u6210\u51b2\u7a81\u3002\u8fd9\u5176\u5b9e\u5c31\u662f\u6211\u4eec\u5e38\u8bf4\u7684\u5206\u5e03\u5f0f\u96c6\u7fa4\u7684\u95ee\u9898\u4e86\uff0c\u672c\u5730\u548c\u7ebf\u4e0a\u7684\u670d\u52a1\u5668\u6784\u6210\u4e86\u96c6\u7fa4\u4ee5\u53caQPS\u4e3a2\u7684\u5c0f\u5e76\u53d1(\u5176\u5b9e\u4e5f\u4e0d\u53eb\u5e76\u53d1\uff0c\u4e0d\u77e5\u9053\u62ff\u4ec0\u4e48\u8bcd\u5f62\u5bb9?)\u3002<\/p>\n

     \u9996\u5148\uff0c\u5206\u5e03\u5f0f\u96c6\u7fa4\u7684\u95ee\u9898\u5927\u5bb6\u90fd\u77e5\u9053\uff0c\u4f1a\u9020\u6210\u6570\u636e\u5e93\u7684\u63d2\u5165\u91cd\u590d\u95ee\u9898\uff0c\u4f1a\u9020\u6210\u4e00\u7cfb\u5217\u7684\u5e76\u53d1\u6027\u95ee\u9898\u3002<\/p>\n

     \u89e3\u51b3\u7684\u65b9\u5f0f\u5462\u4e5f\u5927\u6982\u5982\u4e0b\u51e0\u70b9\uff0c\u767e\u5ea6\u4ee5\u53ca\u8c37\u6b4c\u4e0a\u90fd\u80fd\u641c\u5230\u7684\u89e3\u51b3\u65b9\u5f0f\uff1a<\/p>\n

     1\uff1a\u6570\u636e\u5e93\u6dfb\u52a0\u552f\u4e00\u7d22\u5f15<\/p>\n

     2\uff1a\u8bbe\u8ba1\u63a5\u53e3\u5e42\u7b49\u6027<\/p>\n

     3\uff1a\u4f9d\u9760\u4e2d\u95f4\u4ef6\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\uff0c\u800c\u5206\u5e03\u5f0f\u9501\u53c8\u5206\u4e3aRedis\u548cZookeeper<\/p>\n

    \u7531\u4e8eZookeeper\u6211\u6ca1\u600e\u4e48\u63a5\u89e6\u8fc7\uff0c\u5e76\u4e14\u6211\u9879\u76ee\u4e2d\u672c\u6765\u5c31\u5f15\u7528\u4e86Redis\uff0c\u6240\u4ee5\u5c31\u60f3\u7740\u7528Redis\u6765\u505a\u5206\u5e03\u5f0f\u9501\uff0c\u4e5f\u9ad8\u7aef\u6d0b\u6c14\u4e0a\u6863\u6b21\u70b9\u3002<\/p>\n

    \u9996\u5148\u57fa\u4e8eRedis\u7684\u64cd\u4f5c\uff0c\u6211\u4eec\u5fc5\u987b\u8981\u4fdd\u8bc1\u5176\u539f\u5b50\u6027\uff0c\u4e5f\u5c31\u662f\u8981\u4e48\u5168\u90e8\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u5931\u8d25\uff0c\u5148\u4eceRedis\u7684\u5ba2\u6237\u7aef\u5165\u624b\u3002<\/p>\n

    \u5c31Redis\u5ba2\u6237\u7aef\u800c\u8a00\uff0c\u6211\u4eec\u901a\u8fc7\u7684\u64cd\u4f5c\u662f\u5148\u4f7f\u7528setnx\u6307\u4ee4\uff0c\u5982\u679c\u6210\u529f\u5219\u8fd4\u56de1\uff0c\u5931\u8d25\u5219\u8fd4\u56de0<\/p>\n

<\/p>\n

   \u53ef\u662f\u5c31\u5206\u5e03\u9501\u9501\u800c\u8a00\uff0c\u4e00\u4e2a\u5e38\u7528\u7684\u95ee\u9898\u5c31\u662f\u5982\u679c\u4e00\u4e2a\u670d\u52a1setnx\u6210\u529f\u4e86\uff0c\u4f46\u662f\u5728\u89e3\u9501\u7684\u65f6\u5019\u5982\u679c\u53d1\u751f\u4e86\u5b95\u673a\u6216\u8005\u4e00\u4e9b\u7279\u6b8a\u56e0\u7d20\uff0c\u5bfc\u81f4\u65e0\u6cd5\u89e3\u9501\uff0c\u90a3\u4e48\u5176\u4ed6\u670d\u52a1\u5c06\u9677\u5165\u6b7b\u9501\u7684\u72b6\u6001\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u5728\u7528 setnx \u7684\u540c\u65f6\u60f3\u7740\u53bb\u7528 expire \u6307\u4ee4\u5bf9\u9501\u8fdb\u884c\u4e00\u4e2a\u8fc7\u671f\u64cd\u4f5c<\/p>\n

 <\/p>\n

   \u4ece\u6307\u4ee4\u53ef\u4ee5\u770b\u51fa setnx \u548c expire \u6307\u4ee4\u662f\u5206\u5f00\u7684\uff0c\u5982\u679c\u5728\u8fd9\u4e2d\u95f4\u7684\u7a7a\u9699\u8fc7\u7a0b\u4e2d\u5982\u679c\u6709\u7279\u6b8a\u56e0\u7d20\u5bfc\u81f4\u6307\u4ee4\u65e0\u6cd5\u7ee7\u7eed\uff0c\u4e5f\u4f1a\u5bfc\u81f4\u6b7b\u9501\u7684\u4ea7\u751f\u3002<\/p>\n

\u4ee5\u4e0b\u53c2\u8003\u81ea\u8001\u94b1\u7684<\/p>\n

   \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u7591\u96be\uff0cRedis \u5f00\u6e90\u793e\u533a\u6d8c\u73b0\u4e86\u4e00\u5806\u5206\u5e03\u5f0f\u9501\u7684 library\uff0c\u4e13\u95e8\u7528\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002\u5b9e\u73b0\u65b9\u6cd5\u6781\u4e3a\u590d\u6742\uff0c\u5c0f\u767d\u7528\u6237\u4e00\u822c\u8981\u8d39\u5f88\u5927\u7684\u7cbe\u529b\u624d\u53ef\u4ee5\u641e\u61c2\u3002\u5982\u679c\u4f60\u9700\u8981\u4f7f\u7528\u5206\u5e03\u5f0f\u9501\uff0c\u610f\u5473\u7740\u4f60\u4e0d\u80fd\u4ec5\u4ec5\u4f7f\u7528 Jedis \u6216\u8005 redis-py \u5c31\u884c\u4e86\uff0c\u8fd8\u5f97\u5f15\u5165\u5206\u5e03\u5f0f\u9501\u7684 library\u3002<\/p>\n

  \u4e3a\u4e86\u6cbb\u7406\u8fd9\u4e2a\u4e71\u8c61\uff0cRedis 2.8 \u7248\u672c\u4e2d\u4f5c\u8005\u52a0\u5165\u4e86 set \u6307\u4ee4\u7684\u6269\u5c55\u53c2\u6570\uff0c\u4f7f\u5f97 setnx \u548c expire \u6307\u4ee4\u53ef\u4ee5\u4e00\u8d77\u6267\u884c\uff0c\u5f7b\u5e95\u89e3\u51b3\u4e86\u5206\u5e03\u5f0f\u9501\u7684\u4e71\u8c61\u3002\u4ece\u6b64\u4ee5\u540e\u6240\u6709\u7684\u7b2c\u4e09\u65b9\u5206\u5e03\u5f0f\u9501 library \u53ef\u4ee5\u4f11\u606f\u4e86\u3002<\/p>\n

   <\/p>\n

  \u4ee5\u4e0a\u90fd\u662f\u57fa\u4e8eRedis\u7684\u64cd\u4f5c\uff0c\u4f46\u662f\u6211\u4eec\u5728JAVA\u4e2d\u5982\u4f55\u53bb\u8fd0\u7528\u5206\u5e03\u5f0f\u9501\u5462\u3002<\/p>\n

  \u9996\u5148\u5728Redis\u65b9\u9762\u6211\u7528\u7684\u662fRedisTemplate\u5bf9Redis\u8fdb\u884c\u64cd\u4f5c\u7684 \uff0c\u800cRedisTemplate\u5728\u76ee\u524d\u60c5\u51b5\u4e0b\u5982\u679c\u4e0d\u501f\u52a9\u4e8e\u662f\u65e0\u6cd5\u4fdd\u8bc1\u5176\u539f\u5b50\u6027\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u501f\u52a9\u4e8eRedis\u7684Lua\u811a\u672c\u3002<\/p>\n

   \u5148\u4e0aLua\u811a\u672c\u7684\u4ee3\u7801<\/p>\n

\n\/\/ \u52a0\u9501\nif \n    redis.call('setNx',KEYS[1],ARGV[1]) \n  then \n    if redis.call('get',KEYS[1])==ARGV[1] \n    return redis.call('expire',KEYS[1],ARGV[2]) \n  else \n    return 0 \n  end \nend\n \n\/\/ \u89e3\u9501\n  redis.call('get', KEYS[1]) == ARGV[1] \nthen \n  return redis.call('del', KEYS[1]) \nelse \n  return 0 <\/pre>\n
    Java\u8c03\u7528\u811a\u672c\u6709\u4e24\u79cd\u65b9\u5f0f<\/h3>\n
   1\u3002\u65b0\u5efa\u4e00\u4e2a\u811a\u672c\u6587\u4ef6\uff0c\u5728\u4ee3\u7801\u4e2d\u8c03\u7528\u5176\u7edd\u5bf9\u8def\u5f84\u5730\u5740<\/p>\n
     redisScript.setScriptSource(new ResourceScriptSource(new ClassPathResource(\u5730\u5740)));<\/p>\n
   2\u3002\u5728Java\u4ee3\u7801\u4e2d\u4ee5\u5b57\u7b26\u4e32\u7684\u65b9\u5f0f\u4f20\u5165<\/p>\n
    redisScript.setScriptText(\u811a\u672c);<\/p>\n
  \u6211\u662f\u7528\u7684\u7b2c\u4e8c\u79cd\u65b9\u5f0f\u5b9e\u73b0\u7684\uff0c\u4e0b\u9762\u662fJAVA\u4ee3\u7801<\/p>\n
\n\/**\n   * \u83b7\u53d6\u9501\n   * @param lockKey\n   * @param value\n   * @param expireTime\uff1a\u5355\u4f4d-\u79d2\n   * @return\n   *\/\n  public boolean getLock(String lockKey, String value, int expireTime){\n    boolean ret = false;\n    try{\n      String script = \"if redis.call('setNx',KEYS[1],ARGV[1]) then if redis.call('get',KEYS[1])==ARGV[1] then return redis.call('expire',KEYS[1],ARGV[2]) else return 0 end end\";\n \n      RedisScript\n   \n     redisScript = new DefaultRedisScript(script, Long.class);\n \n      Object result = redisTemplate.execute(redisScript,new StringRedisSerializer(),new StringRedisSerializer(), Collections.singletonList(lockKey),value,expireTime + \"\");\n      System.out.println(result + \"-----------\");\n      \/\/Object result = redisTemplate.execute(redisScript, Collections.singletonList(lockKey),value,expireTime + \"\");\n \n      if(SUCCESS.equals(result)){\n        return true;\n      }\n \n    }catch(Exception e){\n      e.printStackTrace();\n    }\n    return ret;\n  }\n \n  \/**\n   * \u91ca\u653e\u9501\n   * @param lockKey\n   * @param value\n   * @return\n   *\/\n  public boolean releaseLock(String lockKey, String value){\n \n    String script = \"if redis.call('get', KEYS[1]) == ARGV[1] then return redis.call('del', KEYS[1]) else return 0 end\";\n \n    RedisScript\n    \n      redisScript = new DefaultRedisScript(script, Long.class); Object result = redisTemplate.execute(redisScript,new StringRedisSerializer(),new StringRedisSerializer(), Collections.singletonList(lockKey),value); if(SUCCESS.equals(result)) { return true; } return false; }\n    \n   <\/pre>\n
   \u4ee5\u4e0a\u4ee3\u7801\u5df2\u7ecf\u5728\u6211\u7684\u9879\u76ee\u4e2d\u786e\u5207\u53ef\u4ee5\u4f7f\u7528\u4e86\u3002\u4f46\u662f\u5728\u4f7f\u7528\u7684\u8fc7\u7a0b\u4e2d\u9047\u5230\u4e86\u8bb8\u591a\u95ee\u9898\u3002<\/p>\n
   1\uff1ajava.lang.IllegalStateException<\/strong><\/p>\n
   \u5728\u8fd4\u56de\u503c\u65b9\u9762\uff0c\u4f1a\u7ecf\u5e38\u62a5IllegalStateException\u3002<\/p>\n
\nRedisScript\n   \n     redisScript = new DefaultRedisScript(script, String.class);\n   <\/pre>\n
   \u7528String\u7c7b\u578b\u65f6\u5019\uff0c\u7ecf\u5e38\u4f1a\u62a5\u7c7b\u578b\u8f6c\u6362\u5f02\u5e38\u3002\u6211\u5728\u4ee3\u7801\u4e2d\u4f7f\u7528\u7684Long\u7c7b\u578b\u63a5\u6536\u8be5\u7c7b\u578b\uff0c\u5728\u547d\u4ee4\u884c\u4e2d\u6211\u4eec\u4e5f\u770b\u5230\u547d\u4ee4\u884c\u7ed3\u679c\u8fd4\u56de\u7684\u662f\u6570\u5b570\u6216\u80051\uff0c\u4fdd\u9669\u8d77\u89c1\u6211\u4eec\u4e5f\u53ef\u4ee5\u7528Object\u5bf9\u8c61\u6765\u63a5\u6536\u7ed3\u679c\u96c6\u3002<\/p>\n
 2\uff1aERR value is not an integer or out of range<\/strong><\/p>\n
  \u8fd9\u4e2a\u95ee\u9898\u7ea0\u7ed3\u4e86\u6211\u4e00\u4e2a\u4e0b\u5348\u81f3\u5c11\uff0cRedis\u62a5\u7684\u5f02\u5e38\u90fd\u662f\u5f88\u6df1\u7684\uff0c\u4ece\u8ddf\u8e2a\u6e90\u7801\u7684\u65f6\u5019\u770b\u5230\uff0c\u6211\u4eec\u5728\u8c03\u7528redisTemplate.execute\u7684\u65b9\u6cd5\u65f6\u5019\uff0c\u5982\u679c\u4e0d\u4f20\u5e8f\u5217\u5316\u7684\u53c2\u6570\u7684\u65f6\u5019\uff0c\u4ee3\u7801\u9ed8\u8ba4\u8c03\u7528\u7684\u662f Jdkserializationredisserializer \u6765\u8fdb\u884c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c\uff0c\u8fd9\u662fjdk\u81ea\u5e26\u7684\u5e8f\u5217\u5316\u64cd\u4f5c\uff0c\u4f7f\u7528\u8be5\u5e8f\u5217\u5316\u7684\u5bf9\u8c61\u5fc5\u987b\u8981\u5b9e\u73b0Serializable\u63a5\u53e3\u3002\u6240\u4ee5\u8be5\u5e8f\u5217\u5316\u63a5\u53e3\u662f\u7528\u4e8e\u5bf9\u5b9e\u4f53\u7c7b\u7684\u5e8f\u5217\u5316\u3002<\/p>\n
   \u6240\u4ee5\u5728\u8fdb\u884c execute \u64cd\u4f5c\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4f20\u5165 Stringredisserializer\uff0c\u8be5\u5e8f\u5217\u5316\u63a5\u53e3\u662f\u4e13\u7528\u4e8e\u5bf9\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u5e8f\u5217\u5316\u64cd\u4f5c\u3002\u5177\u4f53\u7684\u533a\u522b\u53ef\u4ee5\u53bb\u8fd9\u4e24\u4e2a\u7c7b\u7684\u6e90\u7801\u4e2d\u770b\u4e0b\u4ed6\u4eec\u7684\u52a0\u5bc6\u65b9\u5f0f\u3002 <\/p>\n
\u56e0\u4e3a\u65f6\u95f4\u4ee5\u53ca\u4e2a\u4eba\u80fd\u529b\u7684\u95ee\u9898\uff0c\u5bf9\u90e8\u5206\u6e90\u7801\u6709\u70b9\u672a\u7406\u89e3\uff0c\u6240\u4ee5\u6ca1\u6709\u505a\u5230\u5168\u65b9\u4f4d\u7684\u89e3\u8bfb\u8fd9\u4e9b\u5f02\u5e38\u7684\u539f\u56e0\uff0c\u4ee5\u540e\u6709\u673a\u4f1a\u4f1a\u5c06\u6e90\u7801\u7ec6\u8bfb\u5e76\u5206\u6790\u5176\u5f02\u5e38\u539f\u56e0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8be6\u89e3RedisTemplate\u4e0b...<\/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-201202","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201202","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=201202"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201202\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}