{"id":190748,"date":"2024-11-12T15:11:20","date_gmt":"2024-11-12T07:11:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/190748\/"},"modified":"2024-11-12T15:11:21","modified_gmt":"2024-11-12T07:11:21","slug":"%e7%b3%bb%e7%b5%b1%e5%9f%ba%e6%96%bcredis%e7%9a%84%e6%bb%91%e5%8b%95%e7%aa%97%e5%8f%a3%e5%af%a6%e7%8f%be%e5%88%86%e4%bd%88%e5%bc%8f%e7%b3%bb%e7%b5%b1%e9%99%90%e6%b5%81%ef%bc%88redis%e6%bb%91%e7%aa%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/190748\/","title":{"rendered":"\u7cfb\u7d71\u57fa\u65bcRedis\u7684\u6ed1\u52d5\u7a97\u53e3\u5be6\u73fe\u5206\u4f48\u5f0f\u7cfb\u7d71\u9650\u6d41\uff08redis\u6ed1\u7a97\u9650\u6d41\u5206\u4f48\u5f0f\uff09"},"content":{"rendered":"

\u7cfb\u7d71\u57fa\u65bcRedis\u7684\u6ed1\u52d5\u7a97\u53e3\u5be6\u73fe\u5206\u4f48\u5f0f\u7cfb\u7d71\u9650\u6d41<\/h1>\n

\u5728\u7576\u4eca\u7684\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9650\u6d41\u662f\u4e00\u500b\u91cd\u8981\u7684\u6280\u8853\uff0c\u65e8\u5728\u9632\u6b62\u7cfb\u7d71\u904e\u8f09\uff0c\u78ba\u4fdd\u670d\u52d9\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002\u96a8\u8457\u5fae\u670d\u52d9\u67b6\u69cb\u7684\u666e\u53ca\uff0c\u5982\u4f55\u6709\u6548\u5730\u5be6\u73fe\u9650\u6d41\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u500b\u6311\u6230\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u57fa\u65bcRedis\u5be6\u73fe\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u5be6\u73fe\u793a\u4f8b\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\uff1f<\/h2>\n

\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\u662f\u4e00\u7a2e\u57fa\u65bc\u6642\u9593\u7a97\u53e3\u7684\u9650\u6d41\u7b56\u7565\u3002\u8207\u56fa\u5b9a\u7a97\u53e3\u9650\u6d41\u4e0d\u540c\uff0c\u6ed1\u52d5\u7a97\u53e3\u5141\u8a31\u5728\u4efb\u610f\u6642\u9593\u9ede\u5167\u9032\u884c\u8acb\u6c42\u8a08\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u9748\u6d3b\u5730\u63a7\u5236\u8acb\u6c42\u7684\u901f\u7387\u3002\u6ed1\u52d5\u7a97\u53e3\u7684\u57fa\u672c\u601d\u60f3\u662f\u5c07\u6642\u9593\u5283\u5206\u70ba\u5c0f\u7684\u6642\u9593\u7247\u6bb5\uff0c\u4e26\u5728\u6bcf\u500b\u6642\u9593\u7247\u6bb5\u5167\u8a08\u7b97\u8acb\u6c42\u6578\u91cf\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n

Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5177\u6709\u6975\u5feb\u7684\u8b80\u5beb\u901f\u5ea6\u548c\u826f\u597d\u7684\u64f4\u5c55\u6027\u3002\u7531\u65bc\u5176\u652f\u6301\u539f\u5b50\u64cd\u4f5c\u548c\u904e\u671f\u6642\u9593\u8a2d\u7f6e\uff0cRedis\u975e\u5e38\u9069\u5408\u7528\u65bc\u5be6\u73fe\u9650\u6d41\u529f\u80fd\u3002\u4f7f\u7528Redis\u53ef\u4ee5\u8f15\u9b06\u5730\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u5171\u4eab\u9650\u6d41\u72c0\u614b\uff0c\u907f\u514d\u4e86\u591a\u500b\u5be6\u4f8b\u4e4b\u9593\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u554f\u984c\u3002<\/p>\n

\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\u7684\u5be6\u73fe\u6b65\u9a5f<\/h2>\n

\u4ee5\u4e0b\u662f\u57fa\u65bcRedis\u5be6\u73fe\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n

    \n
  1. \u8a2d\u7f6e\u6642\u9593\u7a97\u53e3\uff1a<\/strong>\u5b9a\u7fa9\u4e00\u500b\u6642\u9593\u7a97\u53e3\uff0c\u4f8b\u59821\u5206\u9418\u3002<\/li>\n
  2. \u8acb\u6c42\u8a08\u6578\uff1a<\/strong>\u6bcf\u7576\u63a5\u6536\u5230\u8acb\u6c42\u6642\uff0c\u8a18\u9304\u7576\u524d\u6642\u9593\u6233\u4e26\u5c07\u5176\u5b58\u5132\u5728Redis\u4e2d\u3002<\/li>\n
  3. \u6e05\u7406\u904e\u671f\u8acb\u6c42\uff1a<\/strong>\u5728\u6bcf\u6b21\u8acb\u6c42\u5230\u4f86\u6642\uff0c\u6e05\u7406\u6389\u8d85\u904e\u6642\u9593\u7a97\u53e3\u7684\u8acb\u6c42\u3002<\/li>\n
  4. \u8a08\u7b97\u7576\u524d\u8acb\u6c42\u6578\u91cf\uff1a<\/strong>\u6aa2\u67e5\u7576\u524d\u6642\u9593\u7a97\u53e3\u5167\u7684\u8acb\u6c42\u6578\u91cf\uff0c\u4e26\u8207\u9810\u8a2d\u7684\u9650\u6d41\u503c\u9032\u884c\u6bd4\u8f03\u3002<\/li>\n
  5. \u8fd4\u56de\u7d50\u679c\uff1a<\/strong>\u5982\u679c\u8acb\u6c42\u6578\u91cf\u8d85\u904e\u9650\u6d41\u503c\uff0c\u5247\u62d2\u7d55\u8acb\u6c42\uff1b\u5426\u5247\uff0c\u5141\u8a31\u8acb\u6c42\u4e26\u66f4\u65b0\u8acb\u6c42\u8a08\u6578\u3002<\/li>\n<\/ol>\n

    \u4ee3\u78bc\u793a\u4f8b<\/h2>\n

    \u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684Python\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\uff1a<\/p>\n

    \nimport time\nimport redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef sliding_window_limit(key, limit, window_size):\n    current_time = int(time.time())\n    # \u8a08\u7b97\u904e\u671f\u6642\u9593\n    expire_time = current_time - window_size\n\n    # \u522a\u9664\u904e\u671f\u7684\u8acb\u6c42\n    r.zremrangebyscore(key, 0, expire_time)\n\n    # \u7372\u53d6\u7576\u524d\u8acb\u6c42\u6578\u91cf\n    current_count = r.zcard(key)\n\n    if current_count < limit:\n        # \u5141\u8a31\u8acb\u6c42\uff0c\u8a18\u9304\u7576\u524d\u6642\u9593\n        r.zadd(key, {current_time: current_time})\n        r.expire(key, window_size)  # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\n        return True\n    else:\n        # \u62d2\u7d55\u8acb\u6c42\n        return False\n\n# \u4f7f\u7528\u793a\u4f8b\nkey = "api_request_limit"\nlimit = 10  # \u6bcf\u5206\u9418\u6700\u591a10\u500b\u8acb\u6c42\nwindow_size = 60  # \u7a97\u53e3\u5927\u5c0f\u70ba60\u79d2\n\nif sliding_window_limit(key, limit, window_size):\n    print("\u8acb\u6c42\u88ab\u5141\u8a31")\nelse:\n    print("\u8acb\u6c42\u88ab\u62d2\u7d55")\n<\/code><\/pre>\n
    \u7e3d\u7d50<\/h2>\n
    \u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\u662f\u4e00\u7a2e\u6709\u6548\u7684\u9650\u6d41\u7b56\u7565\uff0c\u7279\u5225\u9069\u5408\u7528\u65bc\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\u3002\u901a\u904e\u4f7f\u7528Redis\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u9ad8\u6548\u7684\u9650\u6d41\u6a5f\u5236\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u57fa\u790e\u8a2d\u65bd\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u57fa\u65bcRedis\u7684\u6ed1\u52d5\u7a97\u53e3\u5be6\u73fe\u5206\u4f48\u5f0f\u7cfb\u7d71\u9650\u6d41\uff0c\u63d0\u4f9b\u9ad8\u6548\u3001\u9748\u6d3b\u7684\u6d41\u91cf\u63a7\u5236\u89e3\u6c7a\u65b9\u6848\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u6027\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-190748","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190748","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=190748"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190748\/revisions"}],"predecessor-version":[{"id":190749,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/190748\/revisions\/190749"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=190748"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=190748"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=190748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}