{"id":184778,"date":"2024-11-10T16:03:16","date_gmt":"2024-11-10T08:03:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184778\/"},"modified":"2024-11-10T16:03:17","modified_gmt":"2024-11-10T08:03:17","slug":"%e4%bd%bf%e7%94%a8redis%e8%bc%95%e9%ac%86%e8%a7%a3%e6%b1%ba%e6%b5%81%e9%87%8f%e9%99%90%e5%88%b6%e5%95%8f%e9%a1%8c%ef%bc%88redis%e8%a7%a3%e6%b1%ba%e9%99%90%e6%b5%81%e5%95%8f%e9%a1%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184778\/","title":{"rendered":"\u4f7f\u7528Redis\u8f15\u9b06\u89e3\u6c7a\u6d41\u91cf\u9650\u5236\u554f\u984c\uff08redis\u89e3\u6c7a\u9650\u6d41\u554f\u984c\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e8%bc%95%e9%ac%86%e8%a7%a3%e6%b1%ba%e6%b5%81%e9%87%8f%e9%99%90%e5%88%b6%e5%95%8f%e9%a1%8c%ef%bc%88redis%e8%a7%a3%e6%b1%ba%e9%99%90%e6%b5%81%e5%95%8f%e9%a1%8c%ef%bc%89-VekmGOLAdh\">\u4f7f\u7528Redis\u8f15\u9b06\u89e3\u6c7a\u6d41\u91cf\u9650\u5236\u554f\u984c\uff08redis\u89e3\u6c7a\u9650\u6d41\u554f\u984c\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u6d41\u91cf\u9650\u5236\uff08Rate Limiting\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684\u8ab2\u984c\uff0c\u5c24\u5176\u662f\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u8acb\u6c42\u7684\u61c9\u7528\u7a0b\u5e8f\u3002\u6d41\u91cf\u9650\u5236\u7684\u4e3b\u8981\u76ee\u7684\u662f\u9632\u6b62\u904e\u591a\u7684\u8acb\u6c42\u5c0d\u670d\u52d9\u5668\u9020\u6210\u58d3\u529b\uff0c\u5f9e\u800c\u4fdd\u8b77\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u89e3\u6c7a\u6d41\u91cf\u9650\u5236\u554f\u984c\u7684\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u6d41\u91cf\u9650\u5236\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e6%b5%81%e9%87%8f%e9%99%90%e5%88%b6%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-VekmGOLAdh\">\u6d41\u91cf\u9650\u5236\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u6d41\u91cf\u9650\u5236\u7684\u4e3b\u8981\u76ee\u7684\u662f\u63a7\u5236\u7528\u6236\u5728\u7279\u5b9a\u6642\u9593\u5167\u7684\u8acb\u6c42\u6578\u91cf\u3002\u9019\u4e0d\u50c5\u53ef\u4ee5\u9632\u6b62\u670d\u52d9\u5668\u904e\u8f09\uff0c\u9084\u53ef\u4ee5\u4fdd\u8b77\u61c9\u7528\u7a0b\u5e8f\u514d\u53d7\u60e1\u610f\u653b\u64ca\uff08\u5982DDoS\u653b\u64ca\uff09\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u4e00\u500bAPI\u5141\u8a31\u6bcf\u500b\u7528\u6236\u6bcf\u5206\u9418\u767c\u9001100\u500b\u8acb\u6c42\uff0c\u5982\u679c\u6c92\u6709\u6d41\u91cf\u9650\u5236\uff0c\u67d0\u500b\u7528\u6236\u53ef\u80fd\u6703\u767c\u9001\u5927\u91cf\u8acb\u6c42\uff0c\u5c0e\u81f4\u670d\u52d9\u5668\u5d29\u6f70\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%84%aa%e5%8b%a2-VekmGOLAdh\">Redis\u7684\u512a\u52e2<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u8b80\u5beb\u901f\u5ea6\u548c\u8c50\u5bcc\u7684\u6578\u64da\u7d50\u69cb\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u6d41\u91cf\u9650\u5236\u6709\u4ee5\u4e0b\u5e7e\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5176\u80fd\u5920\u5feb\u901f\u8655\u7406\u5927\u91cf\u8acb\u6c42\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u7d50\u69cb\u4f86\u5be6\u73fe\u6d41\u91cf\u9650\u5236\u3002<\/li>\n<li><strong>\u652f\u6301\u5206\u4f48\u5f0f\uff1a<\/strong>Redis\u53ef\u4ee5\u8f15\u9b06\u5730\u5728\u591a\u500b\u670d\u52d9\u5668\u4e4b\u9593\u5171\u4eab\u6578\u64da\uff0c\u9069\u5408\u5927\u898f\u6a21\u61c9\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e6%b5%81%e9%87%8f%e9%99%90%e5%88%b6-VekmGOLAdh\">\u4f7f\u7528Redis\u5be6\u73fe\u6d41\u91cf\u9650\u5236<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Redis\u5be6\u73fe\u6d41\u91cf\u9650\u5236\u7684\u57fa\u672c\u793a\u4f8b\u3002\u5047\u8a2d\u6211\u5011\u5e0c\u671b\u9650\u5236\u6bcf\u500b\u7528\u6236\u6bcf\u5206\u9418\u6700\u591a\u53ea\u80fd\u767c\u900110\u500b\u8acb\u6c42\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f1%ef%bc%9a%e8%a8%ad%e7%bd%aeredis%e9%80%a3%e6%8e%a5-VekmGOLAdh\">\u6b65\u9a5f1\uff1a\u8a2d\u7f6eRedis\u9023\u63a5<\/h3>\n<pre><code>\nconst redis = require('redis');\nconst client = redis.createClient();\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f2%ef%bc%9a%e5%af%a6%e7%8f%be%e6%b5%81%e9%87%8f%e9%99%90%e5%88%b6%e9%82%8f%e8%bc%af-VekmGOLAdh\">\u6b65\u9a5f2\uff1a\u5be6\u73fe\u6d41\u91cf\u9650\u5236\u908f\u8f2f<\/h3>\n<pre><code>\nconst rateLimit = (userId) =&gt; {\n    const key = `rate_limit:${userId}`;\n    const currentTime = Math.floor(Date.now() \/ 1000);\n    const windowSize = 60; \/\/ 60\u79d2\n    const limit = 10; \/\/ \u6bcf\u5206\u9418\u6700\u591a10\u500b\u8acb\u6c42\n\n    client.multi()\n        .set(key, 0, 'EX', windowSize, 'NX') \/\/ \u5982\u679ckey\u4e0d\u5b58\u5728\uff0c\u8a2d\u7f6e\u70ba0\u4e26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\n        .incr(key) \/\/ \u589e\u52a0\u8acb\u6c42\u8a08\u6578\n        .exec((err, replies) =&gt; {\n            if (err) {\n                console.error(err);\n                return;\n            }\n            const requestCount = replies[1];\n            if (requestCount &gt; limit) {\n                console.log('\u8d85\u904e\u8acb\u6c42\u9650\u5236');\n            } else {\n                console.log('\u8acb\u6c42\u6210\u529f');\n            }\n        });\n};\n<\/code><\/pre>\n<p>\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u8a2d\u7f6e\u4e86\u4e00\u500b\u9375\u4f86\u8ddf\u8e2a\u7528\u6236\u7684\u8acb\u6c42\u6578\u91cf\u3002\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0c\u6211\u5011\u5c07\u5176\u521d\u59cb\u5316\u70ba0\u4e26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba60\u79d2\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528INCR\u547d\u4ee4\u589e\u52a0\u8acb\u6c42\u8a08\u6578\uff0c\u4e26\u6aa2\u67e5\u7576\u524d\u8acb\u6c42\u6578\u662f\u5426\u8d85\u904e\u9650\u5236\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VekmGOLAdh\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u4f86\u89e3\u6c7a\u6d41\u91cf\u9650\u5236\u554f\u984c\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u7c21\u55ae\u7684\u4ee3\u78bc\u5be6\u73fe\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u7528\u6236\u7684\u8acb\u6c42\u6578\u91cf\uff0c\u5f9e\u800c\u4fdd\u8b77\u670d\u52d9\u5668\u7684\u7a69\u5b9a\u6027\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u61c9\u7528\u9084\u662f\u5927\u578b\u7cfb\u7d71\uff0cRedis\u90fd\u80fd\u63d0\u4f9b\u826f\u597d\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u61c9\u5c0d\u6d41\u91cf\u6311\u6230\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Redis\u8f15\u9b06\u89e3\u6c7a\u6d41\u91cf\u9650\u5236\u554f\u984c\uff0c\u5be6\u73fe\u9ad8\u6548\u7684\u9650\u6d41\u7b56\u7565\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u8207\u6027\u80fd\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-184778","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184778","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=184778"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184778\/revisions"}],"predecessor-version":[{"id":184779,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184778\/revisions\/184779"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184778"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184778"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184778"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}