{"id":184746,"date":"2024-11-10T15:47:18","date_gmt":"2024-11-10T07:47:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184746\/"},"modified":"2024-11-10T15:47:19","modified_gmt":"2024-11-10T07:47:19","slug":"%e4%bd%bf%e7%94%a8redis%e5%bc%b7%e5%8c%96%e9%a9%97%e8%ad%89%e7%a2%bc%e9%98%b2%e5%88%b7%e5%ae%89%e5%85%a8%e6%80%a7%ef%bc%88redis%e9%a9%97%e8%ad%89%e7%a2%bc%e9%98%b2%e5%88%b7%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184746\/","title":{"rendered":"\u4f7f\u7528Redis\u5f37\u5316\u9a57\u8b49\u78bc\u9632\u5237\u5b89\u5168\u6027\uff08redis\u9a57\u8b49\u78bc\u9632\u5237\uff09"},"content":{"rendered":"

\u4f7f\u7528Redis\u5f37\u5316\u9a57\u8b49\u78bc\u9632\u5237\u5b89\u5168\u6027\uff08redis\u9a57\u8b49\u78bc\u9632\u5237\uff09<\/h1>\n

\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u9a57\u8b49\u78bc\u5df2\u6210\u70ba\u9632\u6b62\u6a5f\u5668\u4eba\u653b\u64ca\u548c\u6feb\u7528\u7684\u6709\u6548\u5de5\u5177\u3002\u7136\u800c\uff0c\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u653b\u64ca\u8005\u4e5f\u4e0d\u65b7\u5c0b\u627e\u65b0\u7684\u65b9\u6cd5\u4f86\u7e5e\u904e\u9019\u4e9b\u5b89\u5168\u63aa\u65bd\u3002\u70ba\u4e86\u52a0\u5f37\u9a57\u8b49\u78bc\u7684\u5b89\u5168\u6027\uff0c\u4f7f\u7528Redis\u4f5c\u70ba\u5f8c\u7aef\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u5f37\u5316\u9a57\u8b49\u78bc\u7684\u9632\u5237\u5b89\u5168\u6027\u3002<\/p>\n

\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n

Redis\u662f\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u5176\u7279\u9ede\u5305\u62ec\u5feb\u901f\u7684\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u3001\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff08\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff09\u4ee5\u53ca\u6301\u4e45\u5316\u529f\u80fd\u3002\u9019\u4e9b\u7279\u6027\u4f7f\u5f97Redis\u6210\u70ba\u8655\u7406\u9a57\u8b49\u78bc\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n

\u9a57\u8b49\u78bc\u7684\u57fa\u672c\u539f\u7406<\/h2>\n

\u9a57\u8b49\u78bc\uff08CAPTCHA\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u5340\u5206\u4eba\u985e\u7528\u6236\u548c\u6a5f\u5668\u4eba\u7684\u6280\u8853\u3002\u901a\u5e38\uff0c\u7cfb\u7d71\u6703\u751f\u6210\u4e00\u500b\u96a8\u6a5f\u7684\u5b57\u6bcd\u548c\u6578\u5b57\u7d44\u5408\uff0c\u4e26\u8981\u6c42\u7528\u6236\u5728\u63d0\u4ea4\u8868\u55ae\u6642\u8f38\u5165\u8a72\u7d44\u5408\u3002\u9019\u6a23\u53ef\u4ee5\u6709\u6548\u9632\u6b62\u81ea\u52d5\u5316\u7a0b\u5e8f\u7684\u6feb\u7528\u3002\u7136\u800c\uff0c\u653b\u64ca\u8005\u53ef\u4ee5\u901a\u904e\u66b4\u529b\u7834\u89e3\u6216\u5176\u4ed6\u624b\u6bb5\u4f86\u5617\u8a66\u7372\u53d6\u9019\u4e9b\u9a57\u8b49\u78bc\u3002<\/p>\n

\u4f7f\u7528Redis\u52a0\u5f37\u9a57\u8b49\u78bc\u7684\u9632\u5237\u6a5f\u5236<\/h2>\n

\u70ba\u4e86\u63d0\u9ad8\u9a57\u8b49\u78bc\u7684\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u500b\u65b9\u9762\uff1a<\/p>\n

1. \u9650\u5236\u8acb\u6c42\u983b\u7387<\/h3>\n

\u4f7f\u7528Redis\u7684\u8a08\u6578\u529f\u80fd\uff0c\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u5c0d\u7528\u6236\u8acb\u6c42\u7684\u983b\u7387\u9650\u5236\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u8acb\u6c42\u9a57\u8b49\u78bc\u6642\uff0c\u53ef\u4ee5\u5728Redis\u4e2d\u8a18\u9304\u8a72\u7528\u6236\u7684\u8acb\u6c42\u6b21\u6578\u3002\u5982\u679c\u8acb\u6c42\u6b21\u6578\u8d85\u904e\u9810\u8a2d\u7684\u9650\u5236\uff0c\u5247\u62d2\u7d55\u8a72\u8acb\u6c42\u3002<\/p>\n

const redis = require('redis');\nconst client = redis.createClient();\n\nconst limitRequests = (userId) => {\n    const key = `captcha_requests:${userId}`;\n    client.incr(key, (err, requests) => {\n        if (requests === 1) {\n            client.expire(key, 60); \/\/ \u8a2d\u7f6e\u904e\u671f\u6642\u9593\u70ba60\u79d2\n        }\n        if (requests > 5) { \/\/ \u9650\u5236\u6bcf\u5206\u9418\u6700\u591a\u8acb\u6c425\u6b21\n            console.log('\u8acb\u6c42\u904e\u65bc\u983b\u7e41\uff0c\u8acb\u7a0d\u5f8c\u518d\u8a66');\n        } else {\n            console.log('\u767c\u9001\u9a57\u8b49\u78bc');\n        }\n    });\n};\n<\/code><\/pre>\n
2. \u9a57\u8b49\u78bc\u7684\u6709\u6548\u671f<\/h3>\n
\u70ba\u4e86\u9632\u6b62\u9a57\u8b49\u78bc\u88ab\u91cd\u8907\u4f7f\u7528\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u9a57\u8b49\u78bc\u7684\u6709\u6548\u671f\u3002\u4f7f\u7528Redis\u7684\u904e\u671f\u529f\u80fd\uff0c\u53ef\u4ee5\u5728\u751f\u6210\u9a57\u8b49\u78bc\u6642\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u904e\u671f\u5f8c\u81ea\u52d5\u522a\u9664\u3002<\/p>\n
const generateCaptcha = (userId) => {\n    const captcha = Math.random().toString(36).substring(2, 8); \/\/ \u751f\u6210\u96a8\u6a5f\u9a57\u8b49\u78bc\n    client.setex(`captcha:${userId}`, 300, captcha); \/\/ \u8a2d\u7f6e\u6709\u6548\u671f\u70ba300\u79d2\n    return captcha;\n};\n<\/code><\/pre>\n
3. \u9a57\u8b49\u78bc\u7684\u552f\u4e00\u6027<\/h3>\n
\u70ba\u4e86\u9632\u6b62\u653b\u64ca\u8005\u901a\u904e\u91cd\u8907\u63d0\u4ea4\u76f8\u540c\u7684\u9a57\u8b49\u78bc\u4f86\u7e5e\u904e\u5b89\u5168\u6aa2\u67e5\uff0c\u53ef\u4ee5\u5728Redis\u4e2d\u5b58\u5132\u5df2\u4f7f\u7528\u7684\u9a57\u8b49\u78bc\u3002\u6bcf\u6b21\u7528\u6236\u63d0\u4ea4\u9a57\u8b49\u78bc\u6642\uff0c\u7cfb\u7d71\u53ef\u4ee5\u6aa2\u67e5\u8a72\u9a57\u8b49\u78bc\u662f\u5426\u5df2\u7d93\u88ab\u4f7f\u7528\u904e\u3002<\/p>\n
const verifyCaptcha = (userId, inputCaptcha) => {\n    client.get(`captcha:${userId}`, (err, storedCaptcha) => {\n        if (inputCaptcha === storedCaptcha) {\n            console.log('\u9a57\u8b49\u6210\u529f');\n            client.del(`captcha:${userId}`); \/\/ \u522a\u9664\u5df2\u4f7f\u7528\u7684\u9a57\u8b49\u78bc\n        } else {\n            console.log('\u9a57\u8b49\u5931\u6557');\n        }\n    });\n};\n<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u4f7f\u7528Redis\u4f86\u5f37\u5316\u9a57\u8b49\u78bc\u7684\u9632\u5237\u5b89\u5168\u6027\u662f\u4e00\u500b\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u9650\u5236\u8acb\u6c42\u983b\u7387\u3001\u8a2d\u7f6e\u9a57\u8b49\u78bc\u7684\u6709\u6548\u671f\u4ee5\u53ca\u78ba\u4fdd\u9a57\u8b49\u78bc\u7684\u552f\u4e00\u6027\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u7cfb\u7d71\u7684\u5b89\u5168\u6027\u3002\u96a8\u8457\u7db2\u7d61\u653b\u64ca\u624b\u6bb5\u7684\u4e0d\u65b7\u6f14\u8b8a\uff0c\u6301\u7e8c\u512a\u5316\u5b89\u5168\u63aa\u65bd\u662f\u6bcf\u500b\u7db2\u7ad9\u904b\u71df\u8005\u7684\u8cac\u4efb\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc\u5982\u4f55\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72Redis\u548c\u5176\u4ed6\u5b89\u5168\u63aa\u65bd\u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4f7f\u7528Redis\u5f37\u5316\u9a57\u8b49\u78bc\u9632\u5237\u5b89\u5168\u6027\uff0c\u63d0\u5347\u7cfb\u7d71\u9632\u8b77\uff0c\u9632\u6b62\u6a5f\u5668\u4eba\u6feb\u7528\uff0c\u78ba\u4fdd\u7528\u6236\u9a57\u8b49\u904e\u7a0b\u5b89\u5168\u53ef\u9760\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-184746","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184746","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=184746"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184746\/revisions"}],"predecessor-version":[{"id":184747,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184746\/revisions\/184747"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}