{"id":195301,"date":"2024-11-13T13:53:23","date_gmt":"2024-11-13T05:53:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195301\/"},"modified":"2024-11-13T13:53:24","modified_gmt":"2024-11-13T05:53:24","slug":"%e5%84%aa%e5%8c%96%e7%b6%b2%e7%ab%99%e9%ab%94%e9%a9%97%e5%88%a9%e7%94%a8-redis-%e7%b7%a9%e5%ad%98%e5%b0%8e%e8%88%aa%e6%a2%9d%ef%bc%88%e5%b0%8e%e8%88%aa%e6%a2%9d%e7%94%a8redis%e5%81%9a%e7%b7%a9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195301\/","title":{"rendered":"\u512a\u5316\u7db2\u7ad9\u9ad4\u9a57\u5229\u7528 Redis \u7de9\u5b58\u5c0e\u822a\u689d\uff08\u5c0e\u822a\u689d\u7528redis\u505a\u7de9\u5b58\uff09"},"content":{"rendered":"<h1 id=\"%e5%84%aa%e5%8c%96%e7%b6%b2%e7%ab%99%e9%ab%94%e9%a9%97%e5%88%a9%e7%94%a8-redis-%e7%b7%a9%e5%ad%98%e5%b0%8e%e8%88%aa%e6%a2%9d-gBgtaGBALy\">\u512a\u5316\u7db2\u7ad9\u9ad4\u9a57\u5229\u7528 Redis 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id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8-redis-%e7%b7%a9%e5%ad%98%e5%b0%8e%e8%88%aa%e6%a2%9d%ef%bc%9f-gBgtaGBALy\">\u70ba\u4ec0\u9ebc\u4f7f\u7528 Redis \u7de9\u5b58\u5c0e\u822a\u689d\uff1f<\/h2>\n<p>\u5c0e\u822a\u689d\u662f\u7db2\u7ad9\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\uff0c\u76f4\u63a5\u5f71\u97ff\u7528\u6236\u7684\u700f\u89bd\u9ad4\u9a57\u3002\u4f7f\u7528 Redis \u4f86\u7de9\u5b58\u5c0e\u822a\u689d\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u6e1b\u5c11\u6578\u64da\u5eab\u67e5\u8a62\uff1a<\/strong>\u6bcf\u6b21\u7528\u6236\u8a2a\u554f\u7db2\u7ad9\u6642\uff0c\u5c0e\u822a\u689d\u7684\u6578\u64da\u901a\u5e38\u9700\u8981\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u3002\u9019\u6703\u589e\u52a0\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\uff0c\u4e26\u5ef6\u9577\u52a0\u8f09\u6642\u9593\u3002\u901a\u904e\u5c07\u5c0e\u822a\u689d\u7de9\u5b58\u5230 Redis 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\u7de9\u5b58\u5c0e\u822a\u689d<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u4f86\u7de9\u5b58\u7db2\u7ad9\u7684\u5c0e\u822a\u689d\uff1a<\/p>\n<pre><code>const redis = require('redis');\nconst client = redis.createClient();\n\n\/\/ \u7372\u53d6\u5c0e\u822a\u689d\u6578\u64da\u7684\u51fd\u6578\nfunction getNavigationBar(callback) {\n    client.get('navigationBar', (err, data) =&gt; {\n        if (err) throw err;\n        if (data) {\n            \/\/ \u5982\u679c\u7de9\u5b58\u4e2d\u6709\u6578\u64da\uff0c\u76f4\u63a5\u8fd4\u56de\n            callback(null, JSON.parse(data));\n        } else {\n            \/\/ \u5982\u679c\u7de9\u5b58\u4e2d\u6c92\u6709\u6578\u64da\uff0c\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\n            fetchFromDatabase((err, navData) =&gt; {\n                if (err) throw err;\n                \/\/ \u5c07\u6578\u64da\u5b58\u5165\u7de9\u5b58\n                client.setex('navigationBar', 3600, JSON.stringify(navData));\n                callback(null, navData);\n            });\n        }\n    });\n}\n\n\/\/ \u5047\u8a2d\u9019\u662f\u4e00\u500b\u5f9e\u6578\u64da\u5eab\u4e2d\u7372\u53d6\u5c0e\u822a\u689d\u6578\u64da\u7684\u51fd\u6578\nfunction fetchFromDatabase(callback) {\n    \/\/ \u6a21\u64ec\u6578\u64da\u5eab\u67e5\u8a62\n    const navData = [\n        { name: '\u9996\u9801', url: '\/' },\n        { name: '\u95dc\u65bc\u6211\u5011', url: '\/about' },\n        { name: '\u806f\u7e6b\u6211\u5011', url: '\/contact' }\n    ];\n    callback(null, navData);\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5617\u8a66\u5f9e Redis \u4e2d\u7372\u53d6\u5c0e\u822a\u689d\u6578\u64da\u3002\u5982\u679c\u6578\u64da\u5b58\u5728\uff0c\u5247\u76f4\u63a5\u8fd4\u56de\uff1b\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5247\u5f9e\u6578\u64da\u5eab\u4e2d\u67e5\u8a62\u4e26\u5c07\u7d50\u679c\u5b58\u5165 Redis \u4e2d\uff0c\u8a2d\u7f6e\u7de9\u5b58\u7684\u6709\u6548\u671f\u70ba\u4e00\u5c0f\u6642\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-gBgtaGBALy\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528 Redis \u7de9\u5b58\u5c0e\u822a\u689d\u4e0d\u50c5\u53ef\u4ee5\u63d0\u9ad8\u7db2\u7ad9\u7684\u52a0\u8f09\u901f\u5ea6\uff0c\u9084\u80fd\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7528\u6236\u9ad4\u9a57\u3002\u96a8\u8457\u7db2\u7ad9\u6d41\u91cf\u7684\u589e\u52a0\uff0c\u9019\u7a2e\u512a\u5316\u7b56\u7565\u5c07\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u5c0d\u65bc\u5e0c\u671b\u63d0\u5347\u7db2\u7ad9\u6027\u80fd\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0cRedis \u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> 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\u7de9\u5b58\u5c0e\u822a\u689d\uff0c\u5be6\u73fe\u5feb\u901f\u52a0\u8f09\u8207\u6d41\u66a2\u64cd\u4f5c\uff0c\u8b93\u7528\u6236\u4eab\u53d7\u66f4\u4f73\u7684\u700f\u89bd\u9ad4\u9a57\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-195301","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195301","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=195301"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195301\/revisions"}],"predecessor-version":[{"id":195302,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195301\/revisions\/195302"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}