{"id":162141,"date":"2024-11-04T12:26:26","date_gmt":"2024-11-04T04:26:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162141\/"},"modified":"2024-11-04T12:26:26","modified_gmt":"2024-11-04T04:26:26","slug":"%e7%9b%a3%e6%b8%ac-redis-%e5%8b%95%e6%85%8b%e6%8d%95%e6%8d%89%e8%ae%8a%e5%8c%96%e5%8f%af%e8%83%bd%ef%bc%88%e7%9b%a3%e8%81%bd-redis-%e7%9a%84%e5%80%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162141\/","title":{"rendered":"\u76e3\u6e2c Redis \u52d5\u614b\u6355\u6349\u8b8a\u5316\u53ef\u80fd\uff08\u76e3\u807d redis \u7684\u503c\uff09"},"content":{"rendered":"

\u76e3\u6e2c Redis \u52d5\u614b\u6355\u6349\u8b8a\u5316\u53ef\u80fd\uff08\u76e3\u807d redis \u7684\u503c\uff09<\/h1>\n

Redis \u662f\u4e00\u7a2e\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u9700\u8981\u5feb\u901f\u6578\u64da\u5b58\u53d6\u7684\u5834\u666f\u3002\u96a8\u8457\u61c9\u7528\u7a0b\u5e8f\u7684\u8907\u96dc\u6027\u589e\u52a0\uff0c\u5c0d\u65bc\u6578\u64da\u8b8a\u5316\u7684\u76e3\u63a7\u9700\u6c42\u4e5f\u65e5\u76ca\u589e\u5f37\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u76e3\u6e2c Redis \u4e2d\u7684\u6578\u64da\u8b8a\u5316\uff0c\u4e26\u4ecb\u7d39\u4e00\u4e9b\u6709\u6548\u7684\u6280\u8853\u548c\u5de5\u5177\u3002<\/p>\n

Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

Redis \u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5b83\u7684\u9ad8\u6548\u6027\u80fd\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7684\u9996\u9078\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u5834\u666f\u4e2d\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9700\u8981\u76e3\u6e2c Redis \u7684\u6578\u64da\u8b8a\u5316<\/h2>\n

\u5728\u8a31\u591a\u61c9\u7528\u4e2d\uff0c\u6578\u64da\u7684\u5373\u6642\u6027\u548c\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u76e3\u6e2c Redis \u4e2d\u7684\u6578\u64da\u8b8a\u5316\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u53ca\u6642\u7372\u53d6\u6578\u64da\u66f4\u65b0\uff0c\u5f9e\u800c\u505a\u51fa\u76f8\u61c9\u7684\u696d\u52d9\u6c7a\u7b56\u3002\u4f8b\u5982\uff0c\u5728\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\u4e2d\uff0c\u5be6\u6642\u76e3\u63a7\u5eab\u5b58\u8b8a\u5316\u53ef\u4ee5\u5e6b\u52a9\u5546\u5bb6\u53ca\u6642\u8abf\u6574\u5eab\u5b58\u7b56\u7565\uff0c\u907f\u514d\u7f3a\u8ca8\u6216\u904e\u5269\u3002<\/p>\n

Redis \u7684\u767c\u5e03\/\u8a02\u95b1\u6a21\u5f0f<\/h2>\n

Redis \u63d0\u4f9b\u4e86\u4e00\u7a2e\u7c21\u55ae\u7684\u767c\u5e03\/\u8a02\u95b1\uff08Pub\/Sub\uff09\u6a5f\u5236\uff0c\u5141\u8a31\u5ba2\u6236\u7aef\u8a02\u95b1\u7279\u5b9a\u7684\u983b\u9053\uff0c\u4e26\u5728\u6709\u6d88\u606f\u767c\u5e03\u5230\u8a72\u983b\u9053\u6642\u63a5\u6536\u901a\u77e5\u3002\u9019\u7a2e\u6a5f\u5236\u975e\u5e38\u9069\u5408\u7528\u65bc\u76e3\u6e2c\u6578\u64da\u8b8a\u5316\u3002<\/p>\n

\u4f7f\u7528\u793a\u4f8b<\/h3>\n
\/\/ \u8a02\u95b1\u983b\u9053\nconst redis = require('redis');\nconst subscriber = redis.createClient();\n\nsubscriber.on('message', (channel, message) => {\n    console.log(`Received message from ${channel}: ${message}`);\n});\n\nsubscriber.subscribe('data_changes');<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b Redis \u5ba2\u6236\u7aef\u4e26\u8a02\u95b1\u4e86\u540d\u70ba “data_changes” \u7684\u983b\u9053\u3002\u7576\u6709\u6d88\u606f\u767c\u5e03\u5230\u8a72\u983b\u9053\u6642\uff0c\u5ba2\u6236\u7aef\u5c07\u63a5\u6536\u5230\u901a\u77e5\u3002<\/p>\n
\u4f7f\u7528 Redis Keyspace Notifications<\/h2>\n
\u9664\u4e86\u767c\u5e03\/\u8a02\u95b1\u6a21\u5f0f\uff0cRedis \u9084\u63d0\u4f9b\u4e86 Keyspace Notifications \u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u76e3\u807d\u7279\u5b9a\u9375\u7684\u8b8a\u5316\u3002\u9019\u5c0d\u65bc\u9700\u8981\u76e3\u63a7\u7279\u5b9a\u6578\u64da\u7684\u61c9\u7528\u975e\u5e38\u6709\u7528\u3002<\/p>\n
\u555f\u7528 Keyspace Notifications<\/h3>\n
\u8981\u555f\u7528 Keyspace Notifications\uff0c\u60a8\u9700\u8981\u5728 Redis \u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\u4ee5\u4e0b\u53c3\u6578\uff1a<\/p>\n
notify-keyspace-events Ex<\/code><\/pre>\n
\u9019\u5c07\u5141\u8a31 Redis \u767c\u9001\u9375\u904e\u671f\u4e8b\u4ef6\u7684\u901a\u77e5\u3002\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\u4f86\u76e3\u807d\u9375\u7684\u8b8a\u5316\uff1a<\/p>\n
const redis = require('redis');\nconst client = redis.createClient();\n\nclient.config('SET', 'notify-keyspace-events', 'Ex');\n\nconst subscriber = redis.createClient();\nsubscriber.psubscribe('__keyevent@0__:expired');\n\nsubscriber.on('pmessage', (pattern, channel, message) => {\n    console.log(`Key expired: ${message}`);\n});<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u8a02\u95b1\u4e86\u6240\u6709\u904e\u671f\u4e8b\u4ef6\uff0c\u7576\u6709\u9375\u904e\u671f\u6642\uff0c\u5c07\u6703\u6536\u5230\u901a\u77e5\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u76e3\u6e2c Redis \u4e2d\u7684\u6578\u64da\u8b8a\u5316\u5c0d\u65bc\u8a31\u591a\u61c9\u7528\u4f86\u8aaa\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u901a\u904e\u4f7f\u7528 Redis \u7684\u767c\u5e03\/\u8a02\u95b1\u6a21\u5f0f\u548c Keyspace Notifications \u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u6355\u6349\u5230\u6578\u64da\u7684\u8b8a\u5316\uff0c\u5f9e\u800c\u505a\u51fa\u53ca\u6642\u7684\u53cd\u61c9\u3002\u9019\u4e9b\u6280\u8853\u4e0d\u50c5\u63d0\u9ad8\u4e86\u61c9\u7528\u7684\u5373\u6642\u6027\uff0c\u4e5f\u589e\u5f37\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684 Redis \u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 \u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u76e3\u6e2c Redis \u52d5\u614b\u6355\u6349\u8b8a\u5316\uff0c\u5be6\u6642\u76e3\u807d\u6578\u64da\u503c\u8b8a\u5316\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u6578\u64da\u4e00\u81f4\u6027\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-162141","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162141","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=162141"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162141\/revisions"}],"predecessor-version":[{"id":162142,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162141\/revisions\/162142"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}