{"id":202128,"date":"2025-05-10T12:04:01","date_gmt":"2025-05-10T04:04:01","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202128\/"},"modified":"2025-05-10T12:04:01","modified_gmt":"2025-05-10T04:04:01","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8redis%e5%92%8cnode-js%e5%ae%9e%e7%8e%b0%e6%95%b0%e6%8d%ae%e5%90%8c%e6%ad%a5%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202128\/","title":{"rendered":"\u5982\u4f55\u5229\u7528Redis\u548cNode.js\u5b9e\u73b0\u6570\u636e\u540c\u6b65\u529f\u80fd"},"content":{"rendered":"

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\u4e8c\u3001Redis Pub\/Sub\u6d88\u606f\u673a\u5236
Redis\u63d0\u4f9b\u4e86\u6d88\u606f\u8ba2\u9605\/\u53d1\u5e03\uff08Pub\/Sub\uff09\u7684\u529f\u80fd\uff0c\u7528\u4e8e\u5b9e\u73b0\u6d88\u606f\u7684\u4f20\u9012\u548c\u5e7f\u64ad\u3002\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e2a\u529f\u80fd\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u6570\u636e\u7684\u53d8\u52a8\u548c\u66f4\u65b0\u6d88\u606f\u53d1\u5e03\u5230\u4e00\u4e2a\u9891\u9053\u4e0a\uff0c\u7136\u540e\u8ba2\u9605\u8be5\u9891\u9053\u7684\u670d\u52a1\u5c06\u80fd\u591f\u63a5\u6536\u5230\u8fd9\u4e9b\u6d88\u606f\uff0c\u4ece\u800c\u5b9e\u73b0\u6570\u636e\u7684\u540c\u6b65\u3002<\/p>\n

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const redis = require(\"redis\");\n\n\/\/ \u521b\u5efaRedis\u5ba2\u6237\u7aef\nconst client = redis.createClient();\n\n\/\/ \u8ba2\u9605\u9891\u9053\nclient.subscribe(\"data_sync_channel\");\n\n\/\/ \u76d1\u542c\u8ba2\u9605\u7684\u6d88\u606f\nclient.on(\"message\", (channel, message) => {\n  console.log(`Received message from channel ${channel}: ${message}`);\n  \/\/ \u5904\u7406\u6570\u636e\u540c\u6b65\u64cd\u4f5c\n});<\/pre>\n
\u4e09\u3001Node.js\u5e94\u7528\u6570\u636e\u540c\u6b65\u5b9e\u73b0
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const redis = require(\"redis\");\n\n\/\/ \u521b\u5efaRedis\u5ba2\u6237\u7aef\nconst client = redis.createClient();\n\n\/\/ \u6a21\u62df\u6570\u636e\u66f4\u65b0\nfunction updateData(dataId, newData) {\n  \/\/ \u66f4\u65b0\u6570\u636e\u64cd\u4f5c...\n  \n  \/\/ \u6570\u636e\u66f4\u65b0\u540e\uff0c\u53d1\u5e03\u66f4\u65b0\u6d88\u606f\n  const message = JSON.stringify({ dataId, newData });\n  client.publish(\"data_sync_channel\", message);\n}\n\n\/\/ \u8ba2\u9605\u9891\u9053\nclient.subscribe(\"data_sync_channel\");\n\n\/\/ \u76d1\u542c\u8ba2\u9605\u7684\u6d88\u606f\nclient.on(\"message\", (channel, message) => {\n  const { dataId, newData } = JSON.parse(message);\n  console.log(`Received message from channel ${channel}: dataId=${dataId}, newData=${newData}`);\n  \/\/ \u5904\u7406\u6570\u636e\u540c\u6b65\u64cd\u4f5c\n});\n\n\/\/ \u8fd0\u884c\u793a\u4f8b\nconst dataId = \"example\";\nconst newData = \"new data\";\n\nupdateData(dataId, newData);<\/pre>\n
\u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aupdateData\u51fd\u6570\uff0c\u7528\u4e8e\u6a21\u62df\u6570\u636e\u7684\u66f4\u65b0\u64cd\u4f5c\u3002\u4e00\u65e6\u6570\u636e\u66f4\u65b0\u5b8c\u6210\uff0c\u6211\u4eec\u5c06\u66f4\u65b0\u7684\u6d88\u606f\u4ee5JSON\u683c\u5f0f\u53d1\u5e03\u5230\u540d\u4e3a”data_sync_channel”\u7684\u9891\u9053\u4e0a\u3002\u540c\u65f6\uff0c\u8ba2\u9605\u8be5\u9891\u9053\u7684\u5176\u4ed6\u670d\u52a1\u5c06\u4f1a\u63a5\u6536\u5230\u8fd9\u4e9b\u6d88\u606f\uff0c\u6267\u884c\u76f8\u5e94\u7684\u6570\u636e\u540c\u6b65\u64cd\u4f5c\u3002<\/p>\n
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\u53c2\u8003\u6587\u732e\uff1a<\/p>\n
    \n
  1. Redis\u5b98\u65b9\u7f51\u7ad9\uff1ahttps:\/\/redis.io\/<\/li>\n
  2. Node.js\u5b98\u65b9\u7f51\u7ad9\uff1ahttps:\/\/nodejs.org\/<\/li>\n
  3. Redis\u4f7f\u7528\u6559\u7a0b\uff1ahttps:\/\/www.runoob.com\/redis\/redis-tutorial.html<\/li>\n
  4. Node.js\u6559\u7a0b\uff1ahttps:\/\/www.runoob.com\/nodejs\/nodejs-tutorial.html<\/li>\n<\/ol>\n
    \n
    \n <\/dt>\n
    \n   Redis\u952e\u503c\u5bf9\u64cd\u4f5c\u5728Java\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\uff1a\u5982\u4f55\u5feb\u901f\u5b58\u53d6\u6570\u636e\n <\/dd>\n<\/dl>\n
    \n
    \n <\/dt>\n
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    \u5982\u4f55\u5229\u7528Redis\u548cNode.j...<\/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-202128","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202128","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=202128"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202128\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202128"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202128"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202128"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}