{"id":201933,"date":"2025-05-10T11:33:43","date_gmt":"2025-05-10T03:33:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201933\/"},"modified":"2025-05-10T11:33:43","modified_gmt":"2025-05-10T03:33:43","slug":"redis%e5%ae%9e%e7%8e%b0%e6%b6%88%e6%81%af%e9%98%9f%e5%88%97%ef%bc%9a%e5%8f%91%e5%b8%83%e4%b8%8e%e8%ae%a2%e9%98%85%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201933\/","title":{"rendered":"Redis\u5b9e\u73b0\u6d88\u606f\u961f\u5217\uff1a\u53d1\u5e03\u4e0e\u8ba2\u9605\u6a21\u5f0f"},"content":{"rendered":"

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

Redis\u5b9e\u73b0\u6d88\u606f\u961f\u5217\uff1a\u53d1\u5e03\u4e0e\u8ba2\u9605\u6a21\u5f0f<\/h1>\n

\u6b22\u8fce\u5404\u4f4d\u5c0f\u4f19\u4f34\u6765\u5230golang\u5b66\u4e60\u7f51\uff0c\u76f8\u805a\u4e8e\u6b64\u90fd\u662f\u7f18\u54c8\u54c8\u54c8\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300aRedis\u5b9e\u73b0\u6d88\u606f\u961f\u5217\uff1a\u53d1\u5e03\u4e0e\u8ba2\u9605\u6a21\u5f0f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\uff0c\u5982\u679c\u4f60\u5bf9\u6570\u636e\u5e93<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u975e\u5e38\u611f\u5174\u8da3\u6216\u8005\u6b63\u5728\u81ea\u5b66\uff0c\u90fd\u53ef\u4ee5\u5173\u6ce8\u6211\uff0c\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\uff01\u5f53\u7136\uff0c\u6709\u4ec0\u4e48\u5efa\u8bae\u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u7559\u8a00\u63d0\u51fa\uff01\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

Redis\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u7684key-value\u5b58\u50a8\u7cfb\u7edf\uff0c\u5e38\u7528\u4e8e\u7f13\u5b58\u3001\u6570\u636e\u5e93\u3001\u6d88\u606f\u961f\u5217\u7b49\u573a\u666f\u3002\u5728\u6d88\u606f\u961f\u5217\u9886\u57df\u4e2d\uff0cRedis\u63d0\u4f9b\u4e86pub\/sub\u673a\u5236\u6765\u5b9e\u73b0\u53d1\u5e03\u4e0e\u8ba2\u9605\u6a21\u5f0f\u3002\u672c\u6587\u5c06\u4ecb\u7ecdRedis\u7684pub\/sub\u673a\u5236\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528Redis\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u3002<\/p>\n

\u4e00\u3001Redis\u7684pub\/sub\u673a\u5236<\/p>\n

Redis\u7684pub\/sub\u673a\u5236\u662f\u4e00\u79cd\u5178\u578b\u7684\u53d1\u5e03\u4e0e\u8ba2\u9605\u6a21\u5f0f\u3002\u5b83\u57fa\u4e8echannel\u6765\u5b9e\u73b0\u6d88\u606f\u7684\u4f20\u9012\u3002\u53d1\u5e03\u8005\u5411\u6307\u5b9a\u7684channel\u53d1\u5e03\u6d88\u606f\uff0c\u8ba2\u9605\u8005\u53ef\u4ee5\u8ba2\u9605\u4e00\u4e2a\u6216\u591a\u4e2achannel\uff0c\u63a5\u6536\u53d1\u5e03\u8005\u53d1\u5e03\u5728channel\u4e2d\u7684\u6d88\u606f\u3002<\/p>\n

    \n
  1. \u53d1\u5e03\u8005<\/li>\n<\/ol>\n

    Redis\u7684\u53d1\u5e03\u8005\u4f7f\u7528PUBLISH\u547d\u4ee4\u5411\u6307\u5b9a\u7684channel\u53d1\u9001\u6d88\u606f\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u5411\u540d\u4e3achannel1\u7684channel\u53d1\u9001\u4e00\u6761\u6d88\u606f\uff1a<\/p>\n

    PUBLISH channel1 \"Hello, Redis!\"<\/pre>\n
      \n
    1. \u8ba2\u9605\u8005<\/li>\n<\/ol>\n
      Redis\u7684\u8ba2\u9605\u8005\u4f7f\u7528SUBSCRIBE\u547d\u4ee4\u8ba2\u9605\u4e00\u4e2a\u6216\u591a\u4e2achannel\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u8ba2\u9605\u540d\u4e3achannel1\u548cchannel2\u7684\u4e24\u4e2achannel\uff1a<\/p>\n
      SUBSCRIBE channel1 channel2<\/pre>\n
      \u8ba2\u9605\u8005\u53ef\u4ee5\u4f7f\u7528UNSUBSCRIBE\u547d\u4ee4\u53d6\u6d88\u5bf9\u6307\u5b9achannel\u7684\u8ba2\u9605\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528UNSUBSCRIBE\u547d\u4ee4\u53d6\u6d88\u6240\u6709channel\u7684\u8ba2\u9605\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u53d6\u6d88\u5bf9channel2\u7684\u8ba2\u9605\uff1a<\/p>\n
      UNSUBSCRIBE channel2<\/pre>\n
        \n
      1. \u6d88\u606f\u4f20\u9012<\/li>\n<\/ol>\n
        \u5f53\u53d1\u5e03\u8005\u5411\u4e00\u4e2achannel\u53d1\u9001\u6d88\u606f\u65f6\uff0c\u8ba2\u9605\u8fd9\u4e2achannel\u7684\u6240\u6709\u8ba2\u9605\u8005\u90fd\u5c06\u63a5\u6536\u5230\u8fd9\u6761\u6d88\u606f\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u5728Node.js\u4e2d\u4f7f\u7528redis\u6a21\u5757\u8ba2\u9605channel1\u548cchannel2\uff0c\u5e76\u5728\u63a5\u6536\u5230\u6d88\u606f\u65f6\u6253\u5370\u51fa\u6d88\u606f\u5185\u5bb9\uff1a<\/p>\n
        const redis = require(\"redis\");\nconst client = redis.createClient();\n\nclient.on(\"message\", (channel, message) => {\n  console.log(`Received message '${message}' on channel '${channel}'`);\n});\n\nclient.subscribe(\"channel1\", \"channel2\");<\/pre>\n
        \u4e8c\u3001\u4f7f\u7528Redis\u5b9e\u73b0\u6d88\u606f\u961f\u5217<\/p>\n
        Redis\u7684pub\/sub\u673a\u5236\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u3002\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0c\u53d1\u5e03\u8005\u5c06\u6d88\u606f\u53d1\u5e03\u5230\u4e00\u4e2achannel\u4e2d\uff0c\u8ba2\u9605\u8005\u8ba2\u9605\u8fd9\u4e2achannel\uff0c\u5e76\u5728\u63a5\u6536\u5230\u6d88\u606f\u65f6\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528Redis\u5b9e\u73b0\u4e00\u4e2a\u57fa\u672c\u7684\u6d88\u606f\u961f\u5217\uff1a<\/p>\n
        const redis = require(\"redis\");\nconst client = redis.createClient();\n\n\/\/ \u6d88\u606f\u5904\u7406\u51fd\u6570\nconst handleMessage = (channel, message) => {\n  console.log(`Received message '${message}' on channel '${channel}'`);\n  \/\/ \u6267\u884c\u4e00\u4e9b\u64cd\u4f5c...\n};\n\n\/\/ \u8ba2\u9605\u961f\u5217channel\nconst subscribeQueue = () => {\n  client.subscribe(\"queue\", (err, count) => {\n    if (err) {\n      console.error(err);\n    } else {\n      console.log(`Subscribed to ${count} channels`);\n    }\n  });\n};\n\n\/\/ \u53d1\u5e03\u6d88\u606f\u5230\u961f\u5217channel\nconst publishMessage = (message) => {\n  client.publish(\"queue\", message, (err) => {\n    if (err) {\n      console.error(err);\n    } else {\n      console.log(`Published message '${message}'`);\n    }\n  });\n};\n\n\/\/ \u76d1\u542c\u961f\u5217\nconst listenQueue = () => {\n  client.on(\"message\", handleMessage);\n};\n\n\/\/ \u521d\u59cb\u5316\nconst init = () => {\n  listenQueue();\n  subscribeQueue();\n};\n\ninit();<\/pre>\n
        \u5728\u4ee5\u4e0a\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e09\u4e2a\u51fd\u6570\uff1ahandleMessage\u3001subscribeQueue\u3001publishMessage\u3002handleMessage\u51fd\u6570\u662f\u6d88\u606f\u5904\u7406\u51fd\u6570\uff0c\u5f53\u8ba2\u9605\u8005\u63a5\u6536\u5230\u6d88\u606f\u65f6\u4f1a\u8c03\u7528\u8fd9\u4e2a\u51fd\u6570\u3002subscribeQueue\u51fd\u6570\u8ba2\u9605\u4e86\u540d\u4e3aqueue\u7684channel\uff0c\u5f53\u8ba2\u9605\u6210\u529f\u65f6\u4f1a\u8f93\u51fa\u8ba2\u9605\u7684channel\u6570\u76ee\u3002publishMessage\u51fd\u6570\u5411queue\u4e2d\u53d1\u5e03\u4e00\u6761\u6d88\u606f\u3002<\/p>\n
        \u4e09\u3001\u6d88\u606f\u961f\u5217\u7684\u5e94\u7528\u573a\u666f<\/p>\n
        \u4f7f\u7528Redis\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u6709\u5f88\u591a\u5e94\u7528\u573a\u666f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n
          \n
        1. \u5f02\u6b65\u4efb\u52a1\u961f\u5217<\/li>\n<\/ol>\n
          \u5728\u5f02\u6b65\u4efb\u52a1\u5904\u7406\u4e2d\uff0c\u901a\u5e38\u4f7f\u7528\u6d88\u606f\u961f\u5217\u5c06\u9700\u8981\u5f02\u6b65\u6267\u884c\u7684\u4efb\u52a1\u4fdd\u5b58\u5230\u961f\u5217\u4e2d\uff0c\u5e76\u7531\u4e00\u4e2a\u6216\u591a\u4e2a\u5de5\u4f5c\u8fdb\u7a0b\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u4efb\u52a1\u5e76\u6267\u884c\u3002Redis\u7684pub\/sub\u673a\u5236\u53ef\u4ee5\u5f88\u597d\u5730\u5b9e\u73b0\u8fd9\u79cd\u5f02\u6b65\u4efb\u52a1\u961f\u5217\u3002<\/p>\n
            \n
          1. \u6d88\u606f\u5e7f\u64ad<\/li>\n<\/ol>\n
            \u5728\u67d0\u4e9b\u573a\u666f\u4e0b\uff0c\u9700\u8981\u5411\u591a\u4e2a\u5ba2\u6237\u7aef\u5e7f\u64ad\u6d88\u606f\uff0c\u4f8b\u5982\u804a\u5929\u5ba4\u3001\u5b9e\u65f6\u901a\u4fe1\u7b49\u573a\u666f\u3002\u4f7f\u7528Redis\u7684pub\/sub\u673a\u5236\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5b9e\u73b0\u6d88\u606f\u5e7f\u64ad\u3002<\/p>\n
              \n
            1. \u8ba2\u9605\u90ae\u4ef6<\/li>\n<\/ol>\n
              \u5728\u8ba2\u9605\u90ae\u4ef6\u7b49\u573a\u666f\u4e0b\uff0c\u7528\u6237\u8ba2\u9605\u4e86\u4e00\u4e9b\u5173\u952e\u8bcd\u6216\u6807\u7b7e\uff0c\u5f53\u6709\u65b0\u7684\u90ae\u4ef6\u5339\u914d\u8fd9\u4e9b\u5173\u952e\u8bcd\u6216\u6807\u7b7e\u65f6\uff0c\u4f1a\u5c06\u90ae\u4ef6\u4fe1\u606f\u53d1\u5e03\u5230\u5bf9\u5e94\u7684channel\u4e2d\u3002\u7528\u6237\u53ef\u4ee5\u8ba2\u9605\u5bf9\u5e94\u7684channel\uff0c\u53ca\u65f6\u83b7\u53d6\u6700\u65b0\u7684\u90ae\u4ef6\u4fe1\u606f\u3002<\/p>\n
              \u56db\u3001\u603b\u7ed3<\/p>\n
              Redis\u7684pub\/sub\u673a\u5236\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5b9e\u73b0\u53d1\u5e03\u4e0e\u8ba2\u9605\u6a21\u5f0f\uff0c\u662f\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u7684\u4e00\u79cd\u5e38\u7528\u65b9\u5f0f\u3002\u5728\u4f7f\u7528Redis\u5b9e\u73b0\u6d88\u606f\u961f\u5217\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u5e76\u53d1\u8bbf\u95ee\u3001\u6d88\u606f\u4e22\u5931\u7b49\u95ee\u9898\uff0c\u8fd9\u4e9b\u95ee\u9898\u53ef\u4ee5\u901a\u8fc7\u52a0\u9501\u3001\u6301\u4e45\u5316\u7b49\u65b9\u5f0f\u6765\u89e3\u51b3\u3002\u52a0\u6df1\u5bf9Redis\u7684pub\/sub\u673a\u5236\u7684\u7406\u89e3\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528Redis\u3002<\/p>\n
              \n
              \n <\/dt>\n
              \n   \u201c\u56fe\u58e4\u00b7\u9605\u8bfb\u5143\u5b87\u5b99\u201d\u4eae\u76f8\u5317\u4eac\u56fd\u9645\u56fe\u4e66\u535a\u89c8\u4f1a\n <\/dd>\n<\/dl>\n
              \n
              \n <\/dt>\n
              \n   golang\u4e2d\u5982\u4f55\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u9a8c\u8bc1\u8f93\u5165\u662f\u5426\u4e3aUTF-8\u7f16\u7801\u7684\u6587\u672c\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
              Redis\u5b9e\u73b0\u6d88\u606f\u961f\u5217\uff1a\u53d1\u5e03\u4e0e\u8ba2...<\/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-201933","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201933","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=201933"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201933\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}