{"id":184836,"date":"2024-11-10T16:32:20","date_gmt":"2024-11-10T08:32:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184836\/"},"modified":"2024-11-10T16:32:21","modified_gmt":"2024-11-10T08:32:21","slug":"%e4%bd%bf%e7%94%a8redis%e8%a8%ad%e7%bd%ae%e8%a8%aa%e5%95%8f%e9%99%90%e5%88%b6%e6%ac%a1%e6%95%b8%ef%bc%88redis%e8%a8%ad%e7%bd%ae%e8%a8%aa%e5%95%8f%e6%ac%a1%e6%95%b8%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184836\/","title":{"rendered":"\u4f7f\u7528Redis\u8a2d\u7f6e\u8a2a\u554f\u9650\u5236\u6b21\u6578\uff08redis\u8a2d\u7f6e\u8a2a\u554f\u6b21\u6578\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e8%a8%ad%e7%bd%ae%e8%a8%aa%e5%95%8f%e9%99%90%e5%88%b6%e6%ac%a1%e6%95%b8%ef%bc%88redis%e8%a8%ad%e7%bd%ae%e8%a8%aa%e5%95%8f%e6%ac%a1%e6%95%b8%ef%bc%89-TxiQpODgAv\">\u4f7f\u7528Redis\u8a2d\u7f6e\u8a2a\u554f\u9650\u5236\u6b21\u6578\uff08redis\u8a2d\u7f6e\u8a2a\u554f\u6b21\u6578\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u5b89\u5168\u6027\u548c\u6027\u80fd\u662f\u6bcf\u500b\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u8981\u8003\u91cf\u3002\u96a8\u8457\u7db2\u7d61\u653b\u64ca\u7684\u65e5\u76ca\u589e\u591a\uff0c\u8a2d\u7f6e\u8a2a\u554f\u9650\u5236\u6b21\u6578\u6210\u70ba\u4e86\u4e00\u7a2e\u6709\u6548\u7684\u9632\u8b77\u63aa\u65bd\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u7c21\u55ae\u800c\u5f37\u5927\u7684\u65b9\u6cd5\u4f86\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u8a2d\u7f6e\u8a2a\u554f\u9650\u5236\u6b21\u6578\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%a8%aa%e5%95%8f%e9%99%90%e5%88%b6%e6%ac%a1%e6%95%b8%ef%bc%9f-TxiQpODgAv\">\u4ec0\u9ebc\u662f\u8a2a\u554f\u9650\u5236\u6b21\u6578\uff1f<\/h2>\n<p>\u8a2a\u554f\u9650\u5236\u6b21\u6578\u662f\u4e00\u7a2e\u5b89\u5168\u63aa\u65bd\uff0c\u7528\u65bc\u9650\u5236\u7528\u6236\u5728\u7279\u5b9a\u6642\u9593\u5167\u5c0d\u8cc7\u6e90\u7684\u8a2a\u554f\u6b21\u6578\u3002\u9019\u53ef\u4ee5\u9632\u6b62\u66b4\u529b\u7834\u89e3\u3001\u722c\u87f2\u653b\u64ca\u4ee5\u53ca\u5176\u4ed6\u985e\u578b\u7684\u6feb\u7528\u884c\u70ba\u3002\u901a\u904e\u8a2d\u7f6e\u8a2a\u554f\u9650\u5236\uff0c\u7db2\u7ad9\u53ef\u4ee5\u4fdd\u8b77\u5176\u8cc7\u6e90\uff0c\u78ba\u4fdd\u6b63\u5e38\u7528\u6236\u7684\u8a2a\u554f\u4e0d\u53d7\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-TxiQpODgAv\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u56e0\u5176\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u800c\u53d7\u5230\u5ee3\u6cdb\u4f7f\u7528\u3002\u4f7f\u7528Redis\u8a2d\u7f6e\u8a2a\u554f\u9650\u5236\u7684\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5f97\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u6975\u5feb\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u7c21\u55ae\u7684API\uff0c\u65b9\u4fbf\u958b\u767c\u8005\u5feb\u901f\u5be6\u73fe\u529f\u80fd\u3002<\/li>\n<li><strong>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis\u652f\u6301\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u9748\u6d3b\u6027\u9ad8\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e8%a8%ad%e7%bd%ae%e8%a8%aa%e5%95%8f%e9%99%90%e5%88%b6%e6%ac%a1%e6%95%b8-TxiQpODgAv\">\u5982\u4f55\u4f7f\u7528Redis\u8a2d\u7f6e\u8a2a\u554f\u9650\u5236\u6b21\u6578<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u8a2d\u7f6e\u8a2a\u554f\u9650\u5236\u6b21\u6578\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%ae%89%e8%a3%9dredis-TxiQpODgAv\">1. \u5b89\u88ddRedis<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u4f60\u7684\u74b0\u5883\u4e2d\u5df2\u7d93\u5b89\u88dd\u4e86Redis\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd\uff1a<\/p>\n<pre><code>sudo apt-get install redis-server<\/code><\/pre>\n<h3 id=\"2-%e9%80%a3%e6%8e%a5redis-TxiQpODgAv\">2. \u9023\u63a5Redis<\/h3>\n<p>\u5728\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u4f7f\u7528\u76f8\u61c9\u7684Redis\u5ba2\u6236\u7aef\u5eab\u9023\u63a5\u5230Redis\u670d\u52d9\u5668\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Node.js\u7684redis\u5eab\uff1a<\/p>\n<pre><code>const redis = require('redis');\nconst client = redis.createClient();<\/code><\/pre>\n<h3 id=\"3-%e8%a8%ad%e7%bd%ae%e8%a8%aa%e5%95%8f%e9%99%90%e5%88%b6%e9%82%8f%e8%bc%af-TxiQpODgAv\">3. \u8a2d\u7f6e\u8a2a\u554f\u9650\u5236\u908f\u8f2f<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u8a2d\u7f6e\u6bcf\u500b\u7528\u6236\u6bcf\u5206\u9418\u6700\u591a\u8a2a\u554f5\u6b21\u7684\u9650\u5236\uff1a<\/p>\n<pre><code>const RATE_LIMIT = 5; \/\/ \u6bcf\u5206\u9418\u6700\u591a\u8a2a\u554f\u6b21\u6578\nconst RATE_LIMIT_WINDOW = 60; \/\/ \u7a97\u53e3\u6642\u9593\uff08\u79d2\uff09\n\nfunction rateLimit(userId) {\n    const key = `rate_limit:${userId}`;\n    \n    client.multi()\n        .incr(key) \/\/ \u589e\u52a0\u8a2a\u554f\u6b21\u6578\n        .expire(key, RATE_LIMIT_WINDOW) \/\/ \u8a2d\u7f6e\u904e\u671f\u6642\u9593\n        .exec((err, replies) =&gt; {\n            if (err) {\n                console.error(err);\n                return;\n            }\n            const currentCount = replies[0];\n            if (currentCount &gt; RATE_LIMIT) {\n                console.log('\u8a2a\u554f\u6b21\u6578\u8d85\u904e\u9650\u5236');\n            } else {\n                console.log('\u8a2a\u554f\u6210\u529f\uff0c\u7576\u524d\u6b21\u6578\uff1a', currentCount);\n            }\n        });\n}<\/code><\/pre>\n<h3 id=\"4-%e6%b8%ac%e8%a9%a6%e8%a8%aa%e5%95%8f%e9%99%90%e5%88%b6-TxiQpODgAv\">4. \u6e2c\u8a66\u8a2a\u554f\u9650\u5236<\/h3>\n<p>\u53ef\u4ee5\u901a\u904e\u8abf\u7528rateLimit\u51fd\u6578\u4f86\u6e2c\u8a66\u8a2a\u554f\u9650\u5236\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>for (let i = 0; i &lt; 10; i++) {\n    rateLimit(&#039;user123&#039;);\n}<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5c07\u6a21\u64ec\u7528\u6236user123\u5728\u77ed\u6642\u9593\u5167\u7684\u591a\u6b21\u8a2a\u554f\uff0c\u4e26\u6839\u64da\u8a2d\u7f6e\u7684\u9650\u5236\u8fd4\u56de\u76f8\u61c9\u7684\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-TxiQpODgAv\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528Redis\u8a2d\u7f6e\u8a2a\u554f\u9650\u5236\u6b21\u6578\u662f\u4e00\u7a2e\u6709\u6548\u7684\u5b89\u5168\u63aa\u65bd\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7db2\u7ad9\u9632\u6b62\u6feb\u7528\u884c\u70ba\u3002\u901a\u904e\u7c21\u55ae\u7684\u4ee3\u78bc\u5be6\u73fe\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u70ba\u5176\u61c9\u7528\u7a0b\u5e8f\u6dfb\u52a0\u9019\u4e00\u529f\u80fd\u3002\u96a8\u8457\u7db2\u7d61\u5b89\u5168\u5a01\u8105\u7684\u589e\u52a0\uff0c\u9019\u6a23\u7684\u63aa\u65bd\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u9805\u76ee\u63d0\u4f9b\u7a69\u5b9a\u548c\u5b89\u5168\u7684\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Redis\u8a2d\u7f6e\u8a2a\u554f\u9650\u5236\u6b21\u6578\uff0c\u8f15\u9b06\u7ba1\u7406API\u8acb\u6c42\u983b\u7387\uff0c\u63d0\u5347\u7cfb\u7d71\u5b89\u5168\u6027\u8207\u6027\u80fd\uff0c\u9632\u6b62\u6feb\u7528\u884c\u70ba\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-184836","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184836","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=184836"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184836\/revisions"}],"predecessor-version":[{"id":184837,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184836\/revisions\/184837"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}