{"id":202202,"date":"2025-05-10T09:43:29","date_gmt":"2025-05-10T01:43:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202202\/"},"modified":"2025-05-10T09:43:29","modified_gmt":"2025-05-10T01:43:29","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e5%92%8clua%e5%bc%80%e5%8f%91%e5%ae%9e%e6%97%b6%e6%b6%88%e6%81%af%e8%ae%a2%e9%98%85%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202202\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5b9e\u65f6\u6d88\u606f\u8ba2\u9605\u529f\u80fd"},"content":{"rendered":"

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

\u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5b9e\u65f6\u6d88\u606f\u8ba2\u9605\u529f\u80fd<\/h1>\n

\u76ee\u524dgolang\u5b66\u4e60\u7f51\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e\u6570\u636e\u5e93<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\u300a\u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5b9e\u65f6\u6d88\u606f\u8ba2\u9605\u529f\u80fd\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60\u6570\u636e\u5e93<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n

\u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5b9e\u65f6\u6d88\u606f\u8ba2\u9605\u529f\u80fd<\/p>\n

\u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u5b9e\u65f6\u6d88\u606f\u8ba2\u9605\u529f\u80fd\u5728Web\u5e94\u7528\u4e2d\u7684\u91cd\u8981\u6027\u65e5\u76ca\u51f8\u663e\u3002\u65e0\u8bba\u662f\u5373\u65f6\u804a\u5929\u5e94\u7528\u3001\u5728\u7ebf\u534f\u4f5c\u5e73\u53f0\u8fd8\u662f\u5b9e\u65f6\u80a1\u7968\u884c\u60c5\u7b49\uff0c\u90fd\u9700\u8981\u5b9e\u65f6\u66f4\u65b0\u6d88\u606f\uff0c\u4ee5\u4fdd\u8bc1\u7528\u6237\u80fd\u591f\u53ca\u65f6\u83b7\u53d6\u6700\u65b0\u7684\u4fe1\u606f\u3002\u5728\u5f00\u53d1\u8fd9\u7c7b\u5b9e\u65f6\u529f\u80fd\u65f6\uff0cRedis\u548cLua\u662f\u4e24\u4e2a\u975e\u5e38\u6709\u529b\u7684\u5de5\u5177\u3002Redis\u662f\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u952e\u503c\u5b58\u50a8\u6570\u636e\u5e93\uff0c\u800cLua\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u811a\u672c\u8bed\u8a00\u3002\u901a\u8fc7Redis\u548cLua\u7684\u7ed3\u5408\u4f7f\u7528\uff0c\u6211\u4eec\u53ef\u4ee5\u5f00\u53d1\u51fa\u9ad8\u6548\u3001\u7a33\u5b9a\u4e14\u6613\u4e8e\u6269\u5c55\u7684\u5b9e\u65f6\u6d88\u606f\u8ba2\u9605\u529f\u80fd\u3002<\/p>\n

\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5b9e\u65f6\u6d88\u606f\u8ba2\u9605\u529f\u80fd\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. \u786e\u5b9a\u9700\u6c42\u548c\u6570\u636e\u7ed3\u6784<\/li>\n<\/ol>\n

    \u5728\u5f00\u59cb\u5f00\u53d1\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u660e\u786e\u6211\u4eec\u7684\u9700\u6c42\u548c\u6570\u636e\u7ed3\u6784\u3002\u5047\u8bbe\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u804a\u5929\u5ba4\u5e94\u7528\uff0c\u7528\u6237\u53ef\u4ee5\u53d1\u9001\u6d88\u606f\uff0c\u5e76\u5b9e\u65f6\u6536\u5230\u6240\u6709\u5176\u4ed6\u7528\u6237\u53d1\u9001\u7684\u6d88\u606f\u3002\u6211\u4eec\u9700\u8981\u4f7f\u7528Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\u6765\u5b9e\u73b0\u5b9e\u65f6\u6d88\u606f\u63a8\u9001\u3002<\/p>\n

    \u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\u804a\u5929\u5ba4\u7684\u6d88\u606f\uff1a<\/p>\n

      \n
    • \u952e\u540d\uff1achatroom:<room_id><\/li>\n
    • \u503c\uff1a\u804a\u5929\u6d88\u606f\u7684\u5217\u8868\uff0c\u4f7f\u7528JSON\u683c\u5f0f\u5b58\u50a8<\/li>\n<\/ul>\n
        \n
      1. \u7f16\u5199\u53d1\u5e03\u811a\u672c<\/li>\n<\/ol>\n

        \u6211\u4eec\u9996\u5148\u9700\u8981\u7f16\u5199\u4e00\u4e2aLua\u811a\u672c\u6765\u5904\u7406\u7528\u6237\u53d1\u9001\u7684\u6d88\u606f\uff0c\u5e76\u5c06\u6d88\u606f\u53d1\u5e03\u5230Redis\u7684\u6307\u5b9a\u9891\u9053\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u7684\u53d1\u5e03\u811a\u672c\uff1a<\/p>\n

        local room_id = KEYS[1]\nlocal user_id = KEYS[2]\nlocal message = ARGV[1]\n\nlocal chatroom_key = \"chatroom:\" .. room_id\nlocal chat_message = {user_id = user_id, message = message}\n\nredis.call(\"LPUSH\", chatroom_key, cjson.encode(chat_message))\nredis.call(\"PUBLISH\", room_id, cjson.encode(chat_message))\n\nreturn true<\/pre>\n
        \u5728\u8fd9\u4e2a\u811a\u672c\u4e2d\uff0c\u6211\u4eec\u63a5\u6536\u4e09\u4e2a\u53c2\u6570\uff1a\u623f\u95f4ID\u3001\u7528\u6237ID\u548c\u6d88\u606f\u5185\u5bb9\u3002\u7136\u540e\uff0c\u6211\u4eec\u5c06\u6d88\u606f\u5b58\u50a8\u5230Redis\u7684\u804a\u5929\u5ba4\u952e\u4e2d\uff0c\u5e76\u4f7f\u7528PUBLISH\u547d\u4ee4\u5c06\u6d88\u606f\u53d1\u5e03\u5230Redis\u7684\u9891\u9053\u4e2d\u3002<\/p>\n
          \n
        1. \u7f16\u5199\u8ba2\u9605\u811a\u672c<\/li>\n<\/ol>\n
          \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u7f16\u5199\u4e00\u4e2aLua\u811a\u672c\u6765\u8ba2\u9605\u6307\u5b9a\u7684\u9891\u9053\uff0c\u4ee5\u63a5\u6536\u5b9e\u65f6\u7684\u6d88\u606f\u63a8\u9001\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u7684\u8ba2\u9605\u811a\u672c\uff1a<\/p>\n
          local room_id = KEYS[1]\n\nlocal function subscribe(channel)\n    local pubsub = redis.call(\"SUBSCRIBE\", channel)\n    local message = pubsub[3]\n\n    -- \u51fd\u6570\u5185\u90e8\u9012\u5f52\u8c03\u7528\uff0c\u6301\u7eed\u76d1\u542c\u6d88\u606f\n    subscribe(channel)\n\n    return message\nend\n\nreturn subscribe(room_id)<\/pre>\n
          \u5728\u8fd9\u4e2a\u811a\u672c\u4e2d\uff0c\u6211\u4eec\u63a5\u6536\u4e00\u4e2a\u53c2\u6570\uff0c\u5373\u623f\u95f4ID\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528SUBSCRIBE\u547d\u4ee4\u6765\u8ba2\u9605\u6307\u5b9a\u7684\u9891\u9053\u3002\u4e00\u65e6\u6709\u65b0\u7684\u6d88\u606f\u53d1\u5e03\u5230\u9891\u9053\u4e2d\uff0c\u811a\u672c\u5c06\u8fd4\u56de\u8be5\u6d88\u606f\uff0c\u5e76\u901a\u8fc7\u9012\u5f52\u8c03\u7528\u81ea\u8eab\u6765\u6301\u7eed\u76d1\u542c\u6d88\u606f\u3002<\/p>\n
            \n
          1. \u4f7f\u7528\u793a\u4f8b<\/li>\n<\/ol>\n
            \u73b0\u5728\u6211\u4eec\u5df2\u7ecf\u7f16\u5199\u4e86\u53d1\u5e03\u548c\u8ba2\u9605\u7684Lua\u811a\u672c\uff0c\u53ef\u4ee5\u5f00\u59cb\u6d4b\u8bd5\u5b9e\u65f6\u6d88\u606f\u8ba2\u9605\u529f\u80fd\u4e86\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n
            import redis\n\n# \u8fde\u63a5Redis\u670d\u52a1\u5668\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u53d1\u9001\u6d88\u606f\u5230\u804a\u5929\u5ba4\nr.evalsha(sha1_of_publish_script, 2, room_id, user_id, message)\n\n# \u8ba2\u9605\u804a\u5929\u5ba4\u7684\u6d88\u606f\nmessage = r.evalsha(sha1_of_subscribe_script, 1, room_id)\nprint(message)<\/pre>\n
            \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Redis\u7684Python\u5ba2\u6237\u7aef\u8fde\u63a5\u5230Redis\u670d\u52a1\u5668\uff0c\u5e76\u53d1\u9001\u6d88\u606f\u5230\u804a\u5929\u5ba4\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528\u8ba2\u9605\u811a\u672c\u6765\u8ba2\u9605\u804a\u5929\u5ba4\u7684\u6d88\u606f\uff0c\u5e76\u6253\u5370\u51fa\u63a5\u6536\u5230\u7684\u6d88\u606f\u3002<\/p>\n
            \u603b\u7ed3<\/p>\n
            \u901a\u8fc7\u4f7f\u7528Redis\u548cLua\u7684\u7ed3\u5408\uff0c\u6211\u4eec\u53ef\u4ee5\u65b9\u4fbf\u5730\u5f00\u53d1\u51fa\u9ad8\u6548\u3001\u7a33\u5b9a\u4e14\u6613\u4e8e\u6269\u5c55\u7684\u5b9e\u65f6\u6d88\u606f\u8ba2\u9605\u529f\u80fd\u3002Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\u63d0\u4f9b\u4e86\u5373\u65f6\u66f4\u65b0\u6d88\u606f\u7684\u673a\u5236\uff0c\u800cLua\u7684\u811a\u672c\u80fd\u591f\u5904\u7406\u5e95\u5c42\u7684\u903b\u8f91\u3002\u5e0c\u671b\u672c\u6587\u7684\u4ecb\u7ecd\u80fd\u591f\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u5982\u4f55\u4f7f\u7528Redis\u548cLua\u6765\u5f00\u53d1\u5b9e\u65f6\u6d88\u606f\u8ba2\u9605\u529f\u80fd\u3002<\/p>\n
            \n
            \n <\/dt>\n
            \n   \u5982\u4f55\u4f7f\u7528Redis\u548cElixir\u5f00\u53d1\u5206\u5e03\u5f0f\u9501\u529f\u80fd\n <\/dd>\n<\/dl>\n
            \n
            \n <\/dt>\n
            \n   \u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528JavaScript\u7f16\u5199\u81ea\u5b9a\u4e49\u51fd\u6570\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
            \u5982\u4f55\u4f7f\u7528Redis\u548cLua\u5f00\u53d1\u5b9e...<\/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-202202","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202202","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=202202"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202202\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202202"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202202"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202202"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}