{"id":201699,"date":"2025-05-10T12:23:42","date_gmt":"2025-05-10T04:23:42","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201699\/"},"modified":"2025-05-10T12:23:42","modified_gmt":"2025-05-10T04:23:42","slug":"%e5%8f%af%e4%bb%a5%e9%87%8d%e5%86%99%e4%b8%ba%ef%bc%9a%e5%a6%82%e4%bd%95%e5%9c%a8redis%e4%b8%ad%e4%bd%bf%e7%94%a8lua%e8%84%9a%e6%9c%ac%ef%bc%8c%e4%bb%a5%e5%8f%8a%e5%93%aa%e4%ba%9b%e5%9c%ba%e6%99%af","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201699\/","title":{"rendered":"\u53ef\u4ee5\u91cd\u5199\u4e3a\uff1a”\u5982\u4f55\u5728Redis\u4e2d\u4f7f\u7528Lua\u811a\u672c\uff0c\u4ee5\u53ca\u54ea\u4e9b\u573a\u666f\u9002\u5408\u4f7f\u7528\uff1f”"},"content":{"rendered":"

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

\u53ef\u4ee5\u91cd\u5199\u4e3a\uff1a”\u5982\u4f55\u5728Redis\u4e2d\u4f7f\u7528Lua\u811a\u672c\uff0c\u4ee5\u53ca\u54ea\u4e9b\u573a\u666f\u9002\u5408\u4f7f\u7528\uff1f”<\/h1>\n

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

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u53ef\u4ee5\u91cd\u5199\u4e3a\uff1a”\u5982\u4f55\u5728Redis\u4e2d\u4f7f\u7528Lua\u811a\u672c\uff0c\u4ee5\u53ca\u54ea\u4e9b\u573a\u666f\u9002\u5408\u4f7f\u7528\uff1f”\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n

1. Redis Lua\u811a\u672c\u6982\u8ff0<\/h3>\n

Redis\u7684Lua\u811a\u672c\u529f\u80fd\u5141\u8bb8\u7528\u6237\u7f16\u5199\u81ea\u5b9a\u4e49\u811a\u672c\uff0c\u5728Redis\u670d\u52a1\u5668\u4e0a\u6267\u884c\u3002Lua\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u811a\u672c\u8bed\u8a00\uff0c\u5177\u6709\u7b80\u5355\u3001\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u7b49\u4f18\u70b9\u3002\u5728Redis\u4e2d\uff0cLua\u811a\u672c\u53ef\u4ee5\u7528\u4e8e\u590d\u6742\u7684\u6570\u636e\u5904\u7406\uff0c\u4f8b\u5982\u6570\u636e\u8fc7\u6ee4\u3001\u805a\u5408\u3001\u6392\u5e8f\u7b49\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u63d0\u9ad8Redis\u670d\u52a1\u5668\u7684\u6027\u80fd\u3002<\/p>\n

2. Redis Lua\u811a\u672c\u7684\u4f18\u52bf<\/h3>\n

\u76f8\u6bd4\u4e8e\u4f20\u7edf\u7684Redis\u547d\u4ee4\u65b9\u5f0f\uff0cLua\u811a\u672c\u5177\u6709\u4ee5\u4e0b\u4f18\u52bf\uff1a<\/p>\n

    \n
  • \n

    \uff081\uff09\u51cf\u5c11\u7f51\u7edc\u5ef6\u8fdf\uff1aLua\u811a\u672c\u5c06\u591a\u4e2aRedis\u547d\u4ee4\u7ec4\u5408\u6210\u4e00\u4e2a\u811a\u672c\uff0c\u51cf\u5c11\u4e86\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u7f51\u7edc\u4ea4\u4e92\u3002\u540c\u65f6\uff0cRedis\u670d\u52a1\u5668\u8fd8\u63d0\u4f9b\u4e86EVALSHA\u547d\u4ee4\uff0c\u53ef\u4ee5\u5c06\u811a\u672c\u7684SHA1\u503c\u7f13\u5b58\u5728\u670d\u52a1\u5668\u4e2d\uff0c\u4e0b\u6b21\u518d\u6267\u884c\u540c\u6837\u7684\u811a\u672c\u65f6\uff0c\u53ea\u9700\u4f20\u9012SHA1\u503c\u5373\u53ef\uff0c\u51cf\u5c11\u4e86\u7f51\u7edc\u4f20\u8f93\u65f6\u95f4\u3002<\/p>\n<\/li>\n

  • \n

    \uff082\uff09\u539f\u5b50\u64cd\u4f5c\uff1aLua\u811a\u672c\u53ef\u4ee5\u4fdd\u8bc1\u591a\u4e2aRedis\u547d\u4ee4\u7684\u539f\u5b50\u6027\uff0c\u907f\u514d\u4e86\u5e76\u53d1\u95ee\u9898\u3002<\/p>\n<\/li>\n

  • \n

    \uff083\uff09\u81ea\u5b9a\u4e49\u547d\u4ee4\uff1a\u901a\u8fc7Lua\u811a\u672c\uff0c\u53ef\u4ee5\u6269\u5c55Redis\u547d\u4ee4\u96c6\u5408\uff0c\u5b9e\u73b0\u81ea\u5b9a\u4e49\u547d\u4ee4\u3002<\/p>\n<\/li>\n<\/ul>\n

    3. Redis Lua\u811a\u672c\u7684\u5e94\u7528\u573a\u666f<\/h3>\n
      \n
    • \n

      \uff081\uff09\u590d\u6742\u67e5\u8be2\uff1a\u5bf9\u4e8e\u4e00\u4e9b\u590d\u6742\u7684\u67e5\u8be2\u9700\u6c42\uff0c\u4f7f\u7528Lua\u811a\u672c\u53ef\u4ee5\u5feb\u901f\u5730\u5b9e\u73b0\uff0c\u907f\u514d\u4e86\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\u6570\u636e\u5904\u7406\u7684\u9ebb\u70e6\u3002<\/p>\n<\/li>\n

    • \n

      \uff082\uff09\u8ba1\u7b97\u903b\u8f91\uff1a\u5bf9\u4e8e\u4e00\u4e9b\u9700\u8981\u8fdb\u884c\u8ba1\u7b97\u903b\u8f91\u7684\u573a\u666f\uff0c\u5373\u4f7f\u5728Redis\u4e2d\u6ca1\u6709\u63d0\u4f9b\u76f8\u5e94\u7684\u8ba1\u7b97\u547d\u4ee4\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7Lua\u811a\u672c\u5b9e\u73b0\u81ea\u5b9a\u4e49\u7684\u8ba1\u7b97\u903b\u8f91\u3002<\/p>\n<\/li>\n

    • \n

      \uff083\uff09\u4e8b\u52a1\u64cd\u4f5c\uff1aLua\u811a\u672c\u53ef\u4ee5\u4fdd\u8bc1\u4e00\u7ec4Redis\u547d\u4ee4\u7684\u539f\u5b50\u6027\uff0c\u8fd9\u4f7f\u5f97\u5728Redis\u4e0a\u5b9e\u73b0\u4e8b\u52a1\u64cd\u4f5c\u6210\u4e3a\u53ef\u80fd\u3002<\/p>\n<\/li>\n

    • \n

      \uff084\uff09\u5b9e\u65f6\u7edf\u8ba1\uff1aLua\u811a\u672c\u53ef\u4ee5\u5b9e\u65f6\u7edf\u8ba1Redis\u4e2d\u7684\u6570\u636e\uff0c\u4f8b\u5982\u8ba1\u7b97\u5b9e\u65f6UV\u3001PV\u7b49\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ul>\n

      4. Redis Lua\u811a\u672c\u7684\u4f7f\u7528\u65b9\u6cd5<\/h3>\n

      Redis Lua\u811a\u672c\u53ef\u4ee5\u901a\u8fc7EVAL\u547d\u4ee4\u6216\u8005EVALSHA\u547d\u4ee4\u6267\u884c\uff0c\u5177\u4f53\u7684\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n

       EVAL script numkeys key [key ...] arg [arg ...] \n EVALSHA sha1 numkeys key [key ...] arg [arg ...]<\/pre>\n
      \u5176\u4e2d\uff0cscript\u4e3aLua\u811a\u672c\u5185\u5bb9\uff1bnumkeys\u8868\u793aLua\u811a\u672c\u4e2d\u9700\u8981\u64cd\u4f5c\u7684\u952e\u503c\u5bf9\u7684\u6570\u91cf\uff1bkey\u8868\u793a\u9700\u8981\u64cd\u4f5c\u7684\u952e\u503c\u540d\u79f0\uff1barg\u8868\u793aLua\u811a\u672c\u4e2d\u9700\u8981\u64cd\u4f5c\u7684\u53c2\u6570\u3002<\/p>\n
      5. java\u4e2d\u4f7f\u7528redis\u7684lua\u811a\u672c<\/h3>\n
      \u6700\u540e\u6211\u4eec\u6765\u5728java\u6574\u5408\u4e00\u4e0b\u3002 \u8fd9\u91cc\u7ed9\u51fa\u4e00\u4e2a\u7b80\u5355\u7684Spring Boot\u6574\u5408Redis\u7684Lua\u811a\u672cDemo\uff0c\u5e76\u5b9e\u73b0\u4e86\u57fa\u672c\u7684CRUD\u64cd\u4f5c\uff0c<\/p>\n
      5.1. \u6dfb\u52a0Redis\u4f9d\u8d56 \u5728pom.xml\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8d56\uff1a<\/h4>\n
      \n   \n     \n    \n    \n     org.springframework.boot\n     \n    \n    \n     spring-boot-starter-data-redis\n     \n\n   <\/pre>\n
      5.2. \u914d\u7f6eRedis\u8fde\u63a5\u4fe1\u606f \u5728application.properties\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/h4>\n
      # Redis\u6570\u636e\u5e93\u5730\u5740 \nspring.redis.host=127.0.0.1 \n# Redis\u7aef\u53e3 \nspring.redis.port=6379 \n# Redis\u5bc6\u7801\uff08\u5982\u679c\u6ca1\u6709\u5bc6\u7801\u4e0d\u7528\u586b\u5199\uff09 \nspring.redis.password=<\/pre>\n
      5.3. \u5b9a\u4e49Redis Lua\u811a\u672c<\/h4>\n
      \u5728Redis\u4e2d\u4f7f\u7528Lua\u811a\u672c\u9700\u8981\u5148\u5b9a\u4e49\u811a\u672c\uff0cSpring Boot\u4e2d\u6709\u4e24\u79cd\u65b9\u5f0f\u53ef\u4ee5\u5b9a\u4e49Lua\u811a\u672c\uff1a<\/p>\n
        \n
      • \n
        \u5728\u4ee3\u7801\u4e2d\u4f7f\u7528\u5b57\u7b26\u4e32\u5b9a\u4e49<\/p>\n<\/li>\n
      • \n
        \u5728RedisTemplate\u4e2d\u5b9a\u4e49<\/p>\n<\/li>\n<\/ul>\n
        \u8fd9\u91cc\u6211\u4eec\u4f7f\u7528RedisTemplate\u4e2d\u7684\u5b9a\u4e49\u65b9\u5f0f\uff0c\u5728RedisTemplate\u7684bean\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n
         @Bean \n public RedisScript\n   \n     redisScript() {\n     RedisScript\n    \n      redisScript = new DefaultRedisScript();       redisScript.setLocation(new ClassPathResource(\"lua\/RedisCRUD.lua\"));      redisScript.setResultType(Long.class);       return redisScript;   }\n    \n   <\/pre>\n
        \u5176\u4e2d\uff0cRedisCRUD.lua\u662f\u6211\u4eec\u8981\u5b9a\u4e49\u7684Lua\u811a\u672c\uff0c\u8fd9\u4e2a\u811a\u672c\u7528\u4e8e\u5b9e\u73b0\u57fa\u672c\u7684CRUD\u64cd\u4f5c\u3002<\/p>\n
        5.4. \u5b9e\u73b0RedisService<\/h4>\n
        \u63a5\u4e0b\u6765\u6211\u4eec\u9700\u8981\u5b9e\u73b0RedisService\u6765\u5bf9Redis\u8fdb\u884c\u64cd\u4f5c\uff0c\u5728RedisService\u4e2d\u6ce8\u5165RedisTemplate\u548credisScript\uff0c\u7136\u540e\u5b9e\u73b0\u57fa\u672c\u7684CRUD\u64cd\u4f5c\u5373\u53ef\uff0c\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
        @Service \npublic class RedisServiceImpl implements RedisService { \n    @Autowired \n    private RedisTemplate\n   \n     redisTemplate; \n    @Autowired \n    private RedisScript\n    \n      redisScript;          public void set(String key, Object value) {          redisTemplate.opsForValue().set(key, value);      }      public Object get(String key) {          return redisTemplate.opsForValue().get(key);      }      public void delete(String key) {          redisTemplate.delete(key);      }      public Boolean exists(String key) {          return redisTemplate.hasKey(key);      }      public Long hset(String key, String field, Object value) {          return redisTemplate.opsForHash().put(key, field, value);      }      public Object hget(String key, String field) {          return redisTemplate.opsForHash().get(key, field);      }      public void hdelete(String key, String... fields) {          redisTemplate.opsForHash().delete(key, fields);      }      public Boolean hexists(String key, String field) {         return redisTemplate.opsForHash().hasKey(key, field);      }      public Long eval(String script, List\n     \n       keys, List\n       args) {          return redisTemplate.execute(RedisScript.of(script), keys, args.toArray());      }      public Long eval(List\n       \n         keys, List\n         args) {          return redisTemplate.execute(redisScript, keys, args.toArray());      }   }\n       \n     \n    \n   <\/pre>\n
        \u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u4e86RedisTemplate\u4e2d\u7684\u4e00\u4e9b\u65b9\u6cd5\u6765\u5b9e\u73b0\u57fa\u672c\u7684CRUD\u64cd\u4f5c\uff0c\u4ee5\u53caeval\u65b9\u6cd5\u6765\u6267\u884c\u81ea\u5b9a\u4e49\u7684Lua\u811a\u672c\u3002<\/p>\n
        5.5. \u7f16\u5199Redis Lua\u811a\u672c<\/h4>\n
        \u6700\u540e\uff0c\u6211\u4eec\u9700\u8981\u7f16\u5199RedisCRUD.lua\u811a\u672c\uff0c\u8fd9\u4e2a\u811a\u672c\u7528\u4e8e\u5b9e\u73b0\u57fa\u672c\u7684CRUD\u64cd\u4f5c\uff0c\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
        -- set \nif KEYS[1] and ARGV[1] then \nredis.call('SET', KEYS[1], ARGV[1]) \nreturn 1 \nend \n-- get \nif KEYS[1] and not ARGV[1] then \nreturn redis.call('GET', KEYS[1]) \nend \n-- delete \nif KEYS[1] and not ARGV[1] then \nredis.call('DEL', KEYS[1]) \nreturn 1 \nend \n-- exists \nif KEYS[1] and not ARGV[1] then \n    if redis.call('EXISTS', KEYS[1]) == 1 then \n    return true \n    else \n    return false \n    end \nend \n-- hset \nif KEYS[1] and ARGV[1] and ARGV[2] and ARGV[3] then \nredis.call('HSET', KEYS[1], ARGV[1], ARGV[2]) \nredis.call('EXPIRE', KEYS[1], ARGV[3]) \nreturn 1 \nend \n-- hget \nif KEYS[1] and ARGV[1] and not ARGV[2] then \nreturn redis.call('HGET', KEYS[1], ARGV[1]) \nend \n-- hdelete \nif KEYS[1] and ARGV[1] and not ARGV[2] then \nredis.call('HDEL', KEYS[1], ARGV[1]) \nreturn 1 \nend \n-- hexists \nif KEYS[1] and ARGV[1] and not ARGV[2] then \n    if redis.call('HEXISTS', KEYS[1], ARGV[1]) == 1 then \n    return true \n    else \n    return false \n    end \nend<\/pre>\n
        \u5728\u8fd9\u4e2a\u811a\u672c\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e868\u4e2a\u64cd\u4f5c\uff1a<\/p>\n
          \n
        • \n
          set\uff1a\u8bbe\u7f6ekey-value<\/p>\n<\/li>\n
        • \n
          get\uff1a\u83b7\u53d6key\u5bf9\u5e94\u7684value<\/p>\n<\/li>\n
        • \n
          delete\uff1a\u5220\u9664key-value<\/p>\n<\/li>\n
        • \n
          exists\uff1a\u5224\u65adkey\u662f\u5426\u5b58\u5728<\/p>\n<\/li>\n
        • \n
          hset\uff1a\u8bbe\u7f6ehash\u4e2d\u7684\u4e00\u4e2afield-value<\/p>\n<\/li>\n
        • \n
          hget\uff1a\u83b7\u53d6hash\u4e2d\u7684\u4e00\u4e2afield\u5bf9\u5e94\u7684value<\/p>\n<\/li>\n
        • \n
          hdelete\uff1a\u5220\u9664hash\u4e2d\u7684\u4e00\u4e2afield-value<\/p>\n<\/li>\n
        • \n
          hexists\uff1a\u5224\u65adhash\u4e2d\u662f\u5426\u5b58\u5728\u4e00\u4e2afield<\/p>\n<\/li>\n<\/ul>\n
          5.6. \u6d4b\u8bd5RedisService<\/h4>\n
          \u6700\u540e\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u6d4b\u8bd5\u7c7b\uff0c\u6d4b\u8bd5RedisService\u662f\u5426\u80fd\u591f\u6b63\u5e38\u5de5\u4f5c\uff0c\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
          @RunWith(SpringRunner.class) \n@SpringBootTest \npublic class RedisServiceImplTest { \n    @Autowired \n    private RedisService redisService; \n    @Test \n    public void test() {\n        \/\/\u7b2c\u4e00\u79cd\u65b9\u5f0f\uff1a\u6267\u884cstring\u7684lua\n        redisService.eval(\"redis.call('SET', KEYS[1], ARGV[1])\",Collections.singletonList(hashKey), Collections.singletonList(hashValue));\n        \/\/\u7b2c\u4e8c\u79cd\u65b9\u5f0f\uff1a\u6267\u884clua\u811a\u672c\n        String key =\"key\";\n        String value =\"value\";\n        redisService.eval(Collections.singletonList(hashKey), Collections.singletonList(hashValue));\n    }<\/pre>\n","protected":false},"excerpt":{"rendered":"
          \u53ef\u4ee5\u91cd\u5199\u4e3a\uff1a”\u5982\u4f55\u5728...<\/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-201699","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201699","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=201699"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201699\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201699"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}