{"id":202039,"date":"2025-05-10T09:32:41","date_gmt":"2025-05-10T01:32:41","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202039\/"},"modified":"2025-05-10T09:32:41","modified_gmt":"2025-05-10T01:32:41","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e5%92%8cjavascript%e5%ae%9e%e7%8e%b0%e7%bc%93%e5%ad%98%e9%a2%84%e7%83%ad%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202039\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Redis\u548cJavaScript\u5b9e\u73b0\u7f13\u5b58\u9884\u70ed\u529f\u80fd"},"content":{"rendered":"

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

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\u5982\u4f55\u4f7f\u7528Redis\u548cJavaScript\u5b9e\u73b0\u7f13\u5b58\u9884\u70ed\u529f\u80fd<\/p>\n

\u6982\u8ff0\uff1a
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Redis\u7b80\u4ecb\uff1a
Redis\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5185\u5b58\u5b58\u50a8\u6570\u636e\u5e93\uff0c\u5177\u6709\u9ad8\u6027\u80fd\u3001\u6301\u4e45\u5316\u3001\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\u7b49\u7279\u70b9\u3002\u6211\u4eec\u53ef\u4ee5\u5229\u7528Redis\u7684\u9ad8\u6027\u80fd\u548c\u7075\u6d3b\u6027\u6765\u5b9e\u73b0\u7f13\u5b58\u9884\u70ed\u529f\u80fd\u3002<\/p>\n

\u573a\u666f\u63cf\u8ff0\uff1a
\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7535\u5b50\u5546\u52a1\u7f51\u7ad9\uff0c\u5176\u4e2d\u5305\u542b\u5927\u91cf\u7684\u5546\u54c1\u4fe1\u606f\u3002\u4e3a\u4e86\u63d0\u9ad8\u7f51\u7ad9\u7684\u6027\u80fd\uff0c\u6211\u4eec\u5e0c\u671b\u5c06\u7ecf\u5e38\u8bbf\u95ee\u7684\u5546\u54c1\u4fe1\u606f\u9884\u5148\u52a0\u8f7d\u5230Redis\u7f13\u5b58\u4e2d\u3002\u5f53\u7528\u6237\u8bf7\u6c42\u5546\u54c1\u4fe1\u606f\u65f6\uff0c\u7cfb\u7edf\u9996\u5148\u4f1a\u68c0\u67e5Redis\u7f13\u5b58\uff0c\u5982\u679c\u7f13\u5b58\u4e2d\u5b58\u5728\u5bf9\u5e94\u7684\u5546\u54c1\u4fe1\u606f\uff0c\u76f4\u63a5\u8fd4\u56de\u7f13\u5b58\u6570\u636e\uff1b\u5982\u679c\u7f13\u5b58\u4e2d\u4e0d\u5b58\u5728\uff0c\u5219\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u5546\u54c1\u4fe1\u606f\uff0c\u5e76\u5c06\u5176\u5b58\u5165Redis\u7f13\u5b58\u4f9b\u4e0b\u6b21\u4f7f\u7528\u3002<\/p>\n

\u6b65\u9aa4\u4e00\uff1a\u5b89\u88c5\u548c\u914d\u7f6eRedis
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Redis\uff0c\u5e76\u8fdb\u884c\u57fa\u672c\u7684\u914d\u7f6e\u3002\u5177\u4f53\u7684\u5b89\u88c5\u548c\u914d\u7f6e\u6b65\u9aa4\u53ef\u4ee5\u53c2\u8003Redis\u5b98\u65b9\u6587\u6863\u3002<\/p>\n

\u6b65\u9aa4\u4e8c\uff1a\u8fde\u63a5Redis\u6570\u636e\u5e93
\u5728JavaScript\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Redis\u6a21\u5757\u8fde\u63a5\u5230Redis\u6570\u636e\u5e93\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n

const redis = require(\"redis\");\n\nconst redisClient = redis.createClient({\n  host: \"localhost\",\n  port: 6379,\n});\n\nredisClient.on(\"connect\", () => {\n  console.log(\"Connected to Redis\");\n});\n\nredisClient.on(\"error\", (err) => {\n  console.error(\"Redis connection error\", err);\n});<\/pre>\n
\u6b65\u9aa4\u4e09\uff1a\u5b9e\u73b0\u7f13\u5b58\u9884\u70ed\u529f\u80fd
\u4e3a\u4e86\u5b9e\u73b0\u7f13\u5b58\u9884\u70ed\u529f\u80fd\uff0c\u6211\u4eec\u9996\u5148\u9700\u8981\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u5546\u54c1\u4fe1\u606f\uff0c\u5e76\u5c06\u5176\u5b58\u5165Redis\u7f13\u5b58\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n
function fetchProductData(productId) {\n  \/\/ TODO: \u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u5546\u54c1\u4fe1\u606f\u7684\u4ee3\u7801\n  const productData = fetchProductDataFromDatabase(productId);\n  return productData;\n}\n\nfunction cacheProductData(productId) {\n  const productData = fetchProductData(productId);\n  redisClient.set(`product:${productId}`, JSON.stringify(productData), \"EX\", 3600, (err) => {\n    if (err) throw err;\n    console.log(`Product data for ${productId} cached in Redis`);\n  });\n}\n\n\/\/ \u9884\u70ed\u5546\u54c1\u4fe1\u606f\u7f13\u5b58\nfunction warmUpCache() {\n  const productIds = [1, 2, 3, 4, 5]; \/\/ \u5047\u8bbe\u6211\u4eec\u9700\u8981\u9884\u70ed\u7684\u5546\u54c1ID\u5217\u8868\n\n  productIds.forEach((productId) => {\n    cacheProductData(productId);\n  });\n}\n\nwarmUpCache();<\/pre>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86fetchProductData<\/code>\u51fd\u6570\u6765\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u5546\u54c1\u4fe1\u606f\uff0c\u5e76\u901a\u8fc7Redis\u7684set<\/code>\u547d\u4ee4\u5c06\u5176\u5b58\u5165\u7f13\u5b58\u4e2d\u3002cacheProductData<\/code>\u51fd\u6570\u5c06\u5546\u54c1\u4fe1\u606f\u5b58\u5165Redis\u7f13\u5b58\uff0c\u5e76\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4\u4e3a1\u5c0f\u65f6\u3002<\/p>\n
\u6700\u540e\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86warmUpCache<\/code>\u51fd\u6570\u6765\u9884\u70ed\u5546\u54c1\u4fe1\u606f\u7f13\u5b58\u3002\u6211\u4eec\u53ef\u4ee5\u5c06\u9700\u8981\u9884\u70ed\u7684\u5546\u54c1ID\u5217\u8868\u5b58\u50a8\u5728\u4e00\u4e2a\u6570\u7ec4\u4e2d\uff0c\u7136\u540e\u901a\u8fc7\u904d\u5386\u6570\u7ec4\u7684\u65b9\u5f0f\u4f9d\u6b21\u9884\u70ed\u7f13\u5b58\u3002<\/p>\n
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\u7ed3\u8bba\uff1a
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\n
\n <\/dt>\n
\n   \u5982\u4f55\u5229\u7528Redis\u548cNode.js\u5b9e\u73b0\u5206\u5e03\u5f0f\u4efb\u52a1\u8c03\u5ea6\u529f\u80fd\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   iOS 17 \u540d\u79f0\u5220\u9664\uff1a\u60a8\u7684\u6570\u5b57\u540d\u7247\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u4f7f\u7528Redis\u548cJavaSc...<\/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-202039","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202039","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=202039"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202039\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202039"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202039"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202039"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}