{"id":202253,"date":"2025-05-10T09:36:56","date_gmt":"2025-05-10T01:36:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202253\/"},"modified":"2025-05-10T09:36:56","modified_gmt":"2025-05-10T01:36:56","slug":"%e5%88%a9%e7%94%a8redis%e5%ae%9e%e7%8e%b0%e5%88%86%e5%b8%83%e5%bc%8f%e4%bb%bb%e5%8a%a1%e8%b0%83%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202253\/","title":{"rendered":"\u5229\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6"},"content":{"rendered":"

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

\u5229\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6<\/h1>\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\u5229\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6\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

\u5229\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6<\/p>\n

\u968f\u7740\u4e1a\u52a1\u7684\u6269\u5c55\u548c\u7cfb\u7edf\u7684\u53d1\u5c55\uff0c\u5f88\u591a\u4e1a\u52a1\u90fd\u9700\u8981\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6\uff0c\u4ee5\u786e\u4fdd\u4efb\u52a1\u80fd\u591f\u5728\u591a\u4e2a\u8282\u70b9\u4e0a\u540c\u65f6\u6267\u884c\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002\u800cRedis\u4f5c\u4e3a\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u5b58\u50a8\u4ea7\u54c1\uff0c\u5177\u5907\u5206\u5e03\u5f0f\u3001\u9ad8\u53ef\u7528\u3001\u9ad8\u6027\u80fd\u7b49\u7279\u70b9\uff0c\u5f88\u9002\u5408\u7528\u4e8e\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5229\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001 Redis\u7684\u57fa\u7840<\/p>\n

    \n
  1. Redis\u662f\u4ec0\u4e48\uff1f<\/li>\n<\/ol>\n

    Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u3001\u57fa\u4e8e\u5185\u5b58\u7684\u6570\u636e\u7ed3\u6784\u5b58\u50a8\u7cfb\u7edf\uff0c\u53ef\u4ee5\u7528\u4f5c\u6570\u636e\u5e93\u3001\u7f13\u5b58\u3001\u6d88\u606f\u4e2d\u95f4\u4ef6\u7b49\u3002Redis\u652f\u6301\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u8868\u3001\u5217\u8868\u3001\u96c6\u5408\u3001\u6709\u5e8f\u96c6\u5408\u7b49\u6570\u636e\u7ed3\u6784\uff0c\u540c\u65f6\u652f\u6301\u4e8b\u52a1\u3001\u6301\u4e45\u5316\u3001Lua\u811a\u672c\u7b49\u9ad8\u7ea7\u7279\u6027\u3002Redis\u7279\u522b\u9002\u5408\u7528\u4e8e\u9ad8\u8bfb\u5199\u9891\u7387\u3001\u9ad8\u5e76\u53d1\u7684\u5e94\u7528\u573a\u666f\u3002<\/p>\n

      \n
    1. Redis\u7684\u4f18\u52bf<\/li>\n<\/ol>\n

      \uff081\uff09\u9ad8\u6027\u80fd\uff1aRedis\u4e3b\u8981\u662f\u57fa\u4e8e\u5185\u5b58\u7684\u64cd\u4f5c\uff0c\u56e0\u6b64\u6027\u80fd\u975e\u5e38\u597d\u3002\u540c\u65f6Redis\u4e5f\u652f\u6301\u6301\u4e45\u5316\u7b49\u529f\u80fd\uff0c\u53ef\u4ee5\u5e94\u5bf9\u4e00\u4e9b\u7279\u6b8a\u7684\u4e1a\u52a1\u573a\u666f\u3002<\/p>\n

      \uff082\uff09\u652f\u6301\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff1aRedis\u652f\u6301\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u8868\u3001\u5217\u8868\u3001\u96c6\u5408\u3001\u6709\u5e8f\u96c6\u5408\u7b49\u591a\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u6ee1\u8db3\u4e0d\u540c\u4e1a\u52a1\u573a\u666f\u7684\u9700\u6c42\u3002<\/p>\n

      \uff083\uff09\u652f\u6301\u5206\u5e03\u5f0f\uff1aRedis\u91c7\u7528\u4e86\u4e3b\u4ece\u590d\u5236\u548c\u54e8\u5175\u7b49\u673a\u5236\uff0c\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u53ef\u7528\u548c\u8d1f\u8f7d\u5747\u8861\u3002<\/p>\n

      \u4e8c\u3001 Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6\u7684\u57fa\u672c\u601d\u8def<\/p>\n

      \u5728Redis\u4e2d\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6\u7684\u57fa\u672c\u601d\u8def\u662f\uff1a\u4f7f\u7528Redis\u4e2d\u7684sorted set\uff08\u6709\u5e8f\u96c6\u5408\uff09\u6765\u5b58\u50a8\u4efb\u52a1\u4fe1\u606f\uff0c\u5728Redis\u4e2d\u8bbe\u7f6e\u4e00\u4e2a\u5b9a\u65f6\u5668\uff0c\u5b9a\u65f6\u5c06\u9700\u8981\u6267\u884c\u7684\u4efb\u52a1\u4fe1\u606f\u6dfb\u52a0\u5230sorted set\u4e2d\u3002\u540c\u65f6\uff0c\u6bcf\u4e2a\u8282\u70b9\u4ecesorted set\u4e2d\u83b7\u53d6\u9700\u8981\u6267\u884c\u7684\u4efb\u52a1\u4fe1\u606f\uff0c\u5e76\u6267\u884c\u4efb\u52a1\u3002\u4e3a\u907f\u514d\u591a\u4e2a\u8282\u70b9\u540c\u65f6\u6267\u884c\u540c\u4e00\u4e2a\u4efb\u52a1\uff0c\u9700\u8981\u4f7f\u7528Redis\u7684\u547d\u4ee4\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n

      \u4e09\u3001 Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6\u7684\u4ee3\u7801\u793a\u4f8b<\/p>\n

      \u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u662f\u4f7f\u7528Java\u8bed\u8a00\u5b9e\u73b0\u7684\uff0c\u901a\u8fc7Redis\u7684Java\u5ba2\u6237\u7aef\u8fde\u63a5Redis\u5e76\u8fdb\u884c\u76f8\u5173\u64cd\u4f5c\u3002<\/p>\n

        \n
      1. \u8fde\u63a5Redis<\/li>\n<\/ol>\n
        JedisPool jedisPool = new JedisPool(\"localhost\", 6379);    \nJedis jedis = jedisPool.getResource();<\/pre>\n
          \n
        1. \u6dfb\u52a0\u4efb\u52a1<\/li>\n<\/ol>\n
          jedis.zadd(\"tasks\", timestamp, taskInfo);<\/pre>\n
          \u5176\u4e2d\uff0ctasks\u4e3asorted set\u7684\u540d\u79f0\uff0ctimestamp\u4e3a\u4efb\u52a1\u7684\u65f6\u95f4\u6233\uff0ctaskInfo\u4e3a\u4efb\u52a1\u4fe1\u606f\u3002<\/p>\n
            \n
          1. \u83b7\u53d6\u4efb\u52a1<\/li>\n<\/ol>\n
            \/\/ \u83b7\u53d6\u5f53\u524d\u65f6\u95f4\u6233\nlong currentTime = System.currentTimeMillis();\n\/\/ \u67e5\u8be2\u4e0b\u4e00\u4e2a\u8981\u6267\u884c\u7684\u4efb\u52a1\nSet<String> set = jedis.zrangeByScore(\"tasks\", 0, currentTime, 0, 1);\nif (!set.isEmpty()) {\n    String taskInfo = set.iterator().next();\n    \/\/ \u5c1d\u8bd5\u83b7\u53d6\u4efb\u52a1\u9501\n    if (jedis.setnx(\"task_lock:\" + taskInfo, \"locked\") == 1) {\n        \/\/ \u5177\u4f53\u4efb\u52a1\u5904\u7406\u903b\u8f91\n    }\n}<\/pre>\n
            \u5176\u4e2d\uff0czrangeByScore\u547d\u4ee4\u662f\u7528\u6765\u83b7\u53d6\u4e0b\u4e00\u4e2a\u8981\u6267\u884c\u7684\u4efb\u52a1\uff0csetnx\u547d\u4ee4\u662f\u7528\u6765\u83b7\u53d6\u4efb\u52a1\u9501\uff0c\u4ee5\u9632\u6b62\u591a\u4e2a\u8282\u70b9\u540c\u65f6\u6267\u884c\u540c\u4e00\u4e2a\u4efb\u52a1\u3002<\/p>\n
              \n
            1. \u91ca\u653e\u4efb\u52a1\u9501<\/li>\n<\/ol>\n
              jedis.del(\"task_lock:\" + taskInfo);<\/pre>\n
              \u5728\u4efb\u52a1\u6267\u884c\u5b8c\u6210\u4e4b\u540e\uff0c\u9700\u8981\u91ca\u653e\u4efb\u52a1\u9501\u3002<\/p>\n
              \u603b\u7ed3<\/p>\n
              \u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u5229\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6\uff0c\u5e76\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u8fd8\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u8fdb\u884c\u76f8\u5e94\u7684\u6539\u8fdb\u548c\u4f18\u5316\uff0c\u4ee5\u786e\u4fdd\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n
              \n
              \n <\/dt>\n
              \n   Redis\u5982\u4f55\u5b9e\u73b0\u5206\u5e03\u5f0f\u9501\u529f\u80fd\n <\/dd>\n<\/dl>\n
              \n
              \n <\/dt>\n
              \n   Redis\uff1a\u6784\u5efa\u9ad8\u53ef\u9760\u6027\u7cfb\u7edf\u7684\u5229\u5668\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
              \u5229\u7528Redis\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6...<\/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-202253","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202253","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=202253"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202253\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}