{"id":202140,"date":"2025-05-10T13:47:10","date_gmt":"2025-05-10T05:47:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202140\/"},"modified":"2025-05-10T13:47:10","modified_gmt":"2025-05-10T05:47:10","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e5%92%8cjavascript%e5%bc%80%e5%8f%91%e6%95%b0%e6%8d%ae%e7%bc%93%e5%ad%98%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202140\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Redis\u548cJavaScript\u5f00\u53d1\u6570\u636e\u7f13\u5b58\u529f\u80fd"},"content":{"rendered":"

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

\u5982\u4f55\u4f7f\u7528Redis\u548cJavaScript\u5f00\u53d1\u6570\u636e\u7f13\u5b58\u529f\u80fd<\/h1>\n

\u4eca\u5929golang\u5b66\u4e60\u7f51\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300a\u5982\u4f55\u4f7f\u7528Redis\u548cJavaScript\u5f00\u53d1\u6570\u636e\u7f13\u5b58\u529f\u80fd\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n

\u5982\u4f55\u4f7f\u7528Redis\u548cJavaScript\u5f00\u53d1\u6570\u636e\u7f13\u5b58\u529f\u80fd<\/p>\n

\u5f15\u8a00\uff1a
\u5728\u73b0\u4ee3\u7684Web\u5e94\u7528\u4e2d\uff0c\u6570\u636e\u7f13\u5b58\u662f\u63d0\u9ad8\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6\u7684\u91cd\u8981\u624b\u6bb5\u4e4b\u4e00\u3002Redis\u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5e7f\u6cdb\u7528\u4e8e\u6570\u636e\u7f13\u5b58\u3002\u800cJavaScript\u662f\u4e00\u95e8\u5f3a\u5927\u7684\u811a\u672c\u8bed\u8a00\uff0c\u7528\u4e8e\u5728Web\u9875\u9762\u4e2d\u5b9e\u73b0\u4e30\u5bcc\u7684\u4ea4\u4e92\u529f\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u548cJavaScript\u5f00\u53d1\u6570\u636e\u7f13\u5b58\u529f\u80fd\uff0c\u901a\u8fc7\u793a\u4f8b\u4ee3\u7801\u6f14\u793a\u5176\u5b9e\u73b0\u8fc7\u7a0b\u3002<\/p>\n

\u4e00\u3001Redis\u4ecb\u7ecd\u548c\u5b89\u88c5
Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u6b3e\u5f00\u6e90\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5177\u6709\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7b49\u7279\u70b9\u3002\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u8868\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u547d\u4ee4\u96c6\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5404\u79cd\u590d\u6742\u7684\u6570\u636e\u64cd\u4f5c\u3002<\/p>\n

\u8981\u4f7f\u7528Redis\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5Redis\u670d\u52a1\u5668\u3002\u4f60\u53ef\u4ee5\u4eceRedis\u5b98\u7f51\uff08https:\/\/redis.io\/\uff09\u4e0b\u8f7d\u6700\u65b0\u7248\u672c\u7684Redis\uff0c\u5e76\u6309\u7167\u5b98\u65b9\u6587\u6863\u8fdb\u884c\u5b89\u88c5\u548c\u914d\u7f6e\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u542f\u52a8Redis\u670d\u52a1\u5668\u3002<\/p>\n

\u4e8c\u3001\u4f7f\u7528Node.js\u8fde\u63a5Redis
\u5728JavaScript\u4e2d\u4f7f\u7528Redis\u9700\u8981\u501f\u52a9\u4e8eRedis\u5ba2\u6237\u7aef\u5e93\u3002\u6211\u4eec\u4ee5Node.js\u73af\u5883\u4e3a\u4f8b\uff0c\u4f7f\u7528ioredis\u5e93\u4f5c\u4e3a\u793a\u8303\u3002<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5728\u9879\u76ee\u4e2d\u5b89\u88c5ioredis\u5e93\u3002\u901a\u8fc7\u547d\u4ee4\u884c\u8fdb\u5165\u9879\u76ee\u76ee\u5f55\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

npm install ioredis<\/pre>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u5728JavaScript\u6587\u4ef6\u4e2d\u5f15\u5165ioredis\u5e93\uff1a<\/p>\n
const Redis = require('ioredis');<\/pre>\n
\u7136\u540e\uff0c\u521b\u5efaRedis\u5ba2\u6237\u7aef\u8fde\u63a5\uff1a<\/p>\n
const redis = new Redis({\n  host: 'localhost',\n  port: 6379,\n});<\/pre>\n
\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7redis\u5bf9\u8c61\u5bf9Redis\u670d\u52a1\u5668\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\u3002<\/p>\n
\u4e09\u3001\u4f7f\u7528Redis\u5b9e\u73b0\u6570\u636e\u7f13\u5b58
\u6570\u636e\u7f13\u5b58\u7684\u6838\u5fc3\u601d\u60f3\u662f\u5c06\u9891\u7e41\u8bfb\u53d6\u7684\u6570\u636e\u7f13\u5b58\u5230\u5185\u5b58\u4e2d\uff0c\u907f\u514d\u6bcf\u6b21\u8bf7\u6c42\u90fd\u8bbf\u95ee\u6570\u636e\u5e93\uff0c\u4ece\u800c\u63d0\u9ad8\u8bbf\u95ee\u901f\u5ea6\u3002<\/p>\n
\u4e0b\u9762\u4ee5\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u6765\u8bf4\u660e\u5982\u4f55\u4f7f\u7528Redis\u5b9e\u73b0\u6570\u636e\u7f13\u5b58\u529f\u80fd\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2aWeb\u5e94\u7528\uff0c\u9700\u8981\u8bfb\u53d6\u7528\u6237\u4fe1\u606f\u3002\u4e00\u79cd\u505a\u6cd5\u662f\u6bcf\u6b21\u8bf7\u6c42\u90fd\u67e5\u8be2\u6570\u636e\u5e93\uff0c\u83b7\u53d6\u7528\u6237\u4fe1\u606f\u3002\u53e6\u4e00\u79cd\u505a\u6cd5\u662f\u5c06\u7528\u6237\u4fe1\u606f\u4fdd\u5b58\u5728Redis\u4e2d\uff0c\u6bcf\u6b21\u8bf7\u6c42\u5148\u67e5\u8be2Redis\uff0c\u5982\u679c\u7f13\u5b58\u4e2d\u5b58\u5728\u6570\u636e\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\uff0c\u5426\u5219\u518d\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u3002<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u83b7\u53d6\u7528\u6237\u4fe1\u606f\u3002\u5982\u679c\u7f13\u5b58\u4e2d\u5b58\u5728\u7528\u6237\u4fe1\u606f\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u7f13\u5b58\u6570\u636e\uff1b\u5426\u5219\uff0c\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u7528\u6237\u4fe1\u606f\uff0c\u5e76\u5c06\u7ed3\u679c\u5b58\u5165\u7f13\u5b58\u3002<\/p>\n
async function getUserInfo(userId) {\n  const cacheKey = `user:${userId}`;\n  \n  \/\/ \u4eceRedis\u7f13\u5b58\u4e2d\u8bfb\u53d6\u7528\u6237\u4fe1\u606f\n  let userInfo = await redis.get(cacheKey);\n  if (userInfo) {\n    console.log('\u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u7528\u6237\u4fe1\u606f');\n    return JSON.parse(userInfo);\n  }\n  \n  \/\/ \u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u7528\u6237\u4fe1\u606f\n  userInfo = await db.getUserInfo(userId);\n  \n  \/\/ \u5c06\u7528\u6237\u4fe1\u606f\u5b58\u5165Redis\u7f13\u5b58\n  await redis.set(cacheKey, JSON.stringify(userInfo));\n  console.log('\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u7528\u6237\u4fe1\u606f');\n  \n  return userInfo;\n}<\/pre>\n
\u901a\u8fc7\u8c03\u7528getUserInfo\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u7528\u6237\u4fe1\u606f\uff0c\u5e76\u5b9e\u73b0\u6570\u636e\u7f13\u5b58\u7684\u6548\u679c\u3002<\/p>\n
getUserInfo(1).then(console.log);\ngetUserInfo(1).then(console.log);\n\n\/\/ \u8f93\u51fa\uff1a\n\/\/ \u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u7528\u6237\u4fe1\u606f\n\/\/ { id: 1, name: 'Alice' }\n\/\/ \u4ece\u7f13\u5b58\u4e2d\u83b7\u53d6\u7528\u6237\u4fe1\u606f\n\/\/ { id: 1, name: 'Alice' }<\/pre>\n
\u5728\u793a\u4f8b\u4e2d\uff0cgetUserInfo\u51fd\u6570\u9996\u5148\u901a\u8fc7cacheKey\u751f\u6210\u4e00\u4e2a\u552f\u4e00\u7684\u7f13\u5b58\u952e\uff0c\u7136\u540e\u8c03\u7528redis.get\u65b9\u6cd5\u4eceRedis\u4e2d\u8bfb\u53d6\u7f13\u5b58\u6570\u636e\u3002\u5982\u679c\u7f13\u5b58\u5b58\u5728\uff0c\u5219\u76f4\u63a5\u8fd4\u56de\u7f13\u5b58\u6570\u636e\uff1b\u5426\u5219\uff0c\u8c03\u7528db.getUserInfo\u65b9\u6cd5\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u7528\u6237\u4fe1\u606f\uff0c\u5e76\u5c06\u7ed3\u679c\u5b58\u5165Redis\u7f13\u5b58\u4e2d\u3002<\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7f13\u5b58\u7684\u529f\u80fd\u3002\u5f53\u6709\u591a\u4e2a\u8bf7\u6c42\u540c\u65f6\u83b7\u53d6\u540c\u4e00\u4efd\u6570\u636e\u65f6\uff0c\u53ea\u9700\u67e5\u8be2Redis\u7f13\u5b58\u4e00\u6b21\uff0c\u4ece\u800c\u51cf\u5c11\u6570\u636e\u5e93\u7684\u538b\u529b\u3002<\/p>\n
\u7ed3\u8bba\uff1a
\u901a\u8fc7Redis\u548cJavaScript\u7684\u7ed3\u5408\uff0c\u6211\u4eec\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u6570\u636e\u7f13\u5b58\u529f\u80fd\uff0c\u63d0\u9ad8Web\u5e94\u7528\u7684\u6027\u80fd\u548c\u54cd\u5e94\u901f\u5ea6\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u8bbe\u8ba1\u66f4\u7075\u6d3b\u548c\u590d\u6742\u7684\u7f13\u5b58\u7b56\u7565\uff0c\u5e76\u7ed3\u5408\u5176\u4ed6\u4f18\u5316\u624b\u6bb5\uff0c\u8fdb\u4e00\u6b65\u63d0\u9ad8\u5e94\u7528\u7684\u6027\u80fd\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n
\n
\n <\/dt>\n
\n   \u5229\u7528MySQL\u548cEmacs Lisp\u5f00\u53d1\uff1a\u5982\u4f55\u5b9e\u73b0\u6570\u636e\u6587\u672c\u7f16\u8f91\u529f\u80fd\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   Redis\u5728Ruby\u5f00\u53d1\u4e2d\u7684\u5e94\u7528\uff1a\u5982\u4f55\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\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-202140","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202140","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=202140"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202140\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}