{"id":167687,"date":"2024-11-06T04:13:21","date_gmt":"2024-11-05T20:13:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167687\/"},"modified":"2024-11-06T04:13:22","modified_gmt":"2024-11-05T20:13:22","slug":"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e8%ab%8b%e6%b1%82%e9%99%90%e6%b5%81%e7%9a%84%e5%8f%af%e8%a1%8c%e6%80%a7%e7%a0%94%e7%a9%b6%ef%bc%88redis%e8%ab%8b%e6%b1%82%e9%99%90%e6%b5%81%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167687\/","title":{"rendered":"\u5229\u7528Redis\u5be6\u73fe\u8acb\u6c42\u9650\u6d41\u7684\u53ef\u884c\u6027\u7814\u7a76\uff08redis\u8acb\u6c42\u9650\u6d41\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e8%ab%8b%e6%b1%82%e9%99%90%e6%b5%81%e7%9a%84%e5%8f%af%e8%a1%8c%e6%80%a7%e7%a0%94%e7%a9%b6%ef%bc%88redis%e8%ab%8b%e6%b1%82%e9%99%90%e6%b5%81%ef%bc%89-AwhRLYcOaB\">\u5229\u7528Redis\u5be6\u73fe\u8acb\u6c42\u9650\u6d41\u7684\u53ef\u884c\u6027\u7814\u7a76\uff08redis\u8acb\u6c42\u9650\u6d41\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u8acb\u6c42\u9650\u6d41\uff08Rate Limiting\uff09\u662f\u4e00\u7a2e\u91cd\u8981\u7684\u6280\u8853\uff0c\u65e8\u5728\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\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u8b80\u5beb\u6027\u80fd\u548c\u7c21\u55ae\u7684\u6578\u64da\u7d50\u69cb\uff0c\u6210\u70ba\u5be6\u73fe\u8acb\u6c42\u9650\u6d41\u7684\u7406\u60f3\u9078\u64c7\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5229\u7528Redis\u5be6\u73fe\u8acb\u6c42\u9650\u6d41\u7684\u53ef\u884c\u6027\u53ca\u5176\u5177\u9ad4\u5be6\u73fe\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"%e8%ab%8b%e6%b1%82%e9%99%90%e6%b5%81%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-AwhRLYcOaB\">\u8acb\u6c42\u9650\u6d41\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u8acb\u6c42\u9650\u6d41\u662f\u6307\u5c0d\u7528\u6236\u5728\u4e00\u5b9a\u6642\u9593\u5167\u767c\u9001\u7684\u8acb\u6c42\u6578\u91cf\u9032\u884c\u9650\u5236\u3002\u9019\u7a2e\u6280\u8853\u901a\u5e38\u7528\u65bcAPI\u670d\u52d9\u3001\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u4ee5\u9632\u6b62\u6feb\u7528\u548c\u4fdd\u8b77\u5f8c\u7aef\u8cc7\u6e90\u3002\u5e38\u898b\u7684\u9650\u6d41\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u56fa\u5b9a\u7a97\u53e3\u9650\u6d41\uff1a<\/strong>\u5728\u56fa\u5b9a\u7684\u6642\u9593\u7a97\u53e3\u5167\u9650\u5236\u8acb\u6c42\u6578\u91cf\u3002<\/li>\n<li><strong>\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\uff1a<\/strong>\u6839\u64da\u8acb\u6c42\u7684\u6642\u9593\u6233\u52d5\u614b\u8a08\u7b97\u8acb\u6c42\u6578\u91cf\u3002<\/li>\n<li><strong>\u4ee4\u724c\u6876\u7b97\u6cd5\uff1a<\/strong>\u901a\u904e\u4ee4\u724c\u7684\u751f\u6210\u548c\u6d88\u8017\u4f86\u63a7\u5236\u8acb\u6c42\u901f\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-AwhRLYcOaB\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u9ad8\u6027\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5177\u6709\u4ee5\u4e0b\u512a\u52e2\uff0c\u4f7f\u5176\u6210\u70ba\u5be6\u73fe\u8acb\u6c42\u9650\u6d41\u7684\u7406\u60f3\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u7684\u6027\u80fd\uff1a<\/strong>Redis\u7684\u8b80\u5beb\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u8655\u7406\u5927\u91cf\u7684\u8acb\u6c42\u3002<\/li>\n<li><strong>\u7c21\u55ae\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u7b49\uff0c\u65b9\u4fbf\u5b58\u5132\u548c\u7ba1\u7406\u8acb\u6c42\u6578\u64da\u3002<\/li>\n<li><strong>\u539f\u5b50\u64cd\u4f5c\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u539f\u5b50\u64cd\u4f5c\uff0c\u80fd\u5920\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6e96\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e8%ab%8b%e6%b1%82%e9%99%90%e6%b5%81%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-AwhRLYcOaB\">Redis\u8acb\u6c42\u9650\u6d41\u7684\u5be6\u73fe\u65b9\u6cd5<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u65bcRedis\u7684\u7c21\u55ae\u8acb\u6c42\u9650\u6d41\u5be6\u73fe\u793a\u4f8b\uff0c\u4f7f\u7528Python\u8a9e\u8a00\u548cRedis-py\u5eab\uff1a<\/p>\n<pre><code>import time\nimport redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef is_request_allowed(user_id, limit, period):\n    current_time = int(time.time())\n    # \u8a08\u7b97\u904e\u53bb\u7684\u8acb\u6c42\u6642\u9593\u6233\n    key = f\"rate_limit:{user_id}\"\n    \n    # \u4f7f\u7528Redis\u7684\u7ba1\u9053\u4f86\u57f7\u884c\u591a\u500b\u547d\u4ee4\n    with r.pipeline() as pipe:\n        pipe.zremrangebyscore(key, 0, current_time - period)  # \u522a\u9664\u904e\u671f\u8acb\u6c42\n        pipe.zcard(key)  # \u7372\u53d6\u7576\u524d\u8acb\u6c42\u6578\u91cf\n        pipe.zadd(key, {current_time: current_time})  # \u6dfb\u52a0\u7576\u524d\u8acb\u6c42\n        pipe.expire(key, period)  # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\n        request_count = pipe.execute()[1]  # \u7372\u53d6\u8acb\u6c42\u6578\u91cf\n\n    return request_count &lt; limit  # \u8fd4\u56de\u662f\u5426\u5141\u8a31\u8acb\u6c42\n\n# \u4f7f\u7528\u793a\u4f8b\nuser_id = \"user123\"\nlimit = 5  # \u6bcf5\u79d2\u6700\u591a5\u6b21\u8acb\u6c42\nperiod = 5  # \u9650\u5236\u6642\u9593\u70ba5\u79d2\n\nif is_request_allowed(user_id, limit, period):\n    print(\"\u8acb\u6c42\u88ab\u5141\u8a31\")\nelse:\n    print(\"\u8acb\u6c42\u88ab\u62d2\u7d55\uff0c\u8d85\u904e\u9650\u6d41\u9650\u5236\")\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-AwhRLYcOaB\">\u7d50\u8ad6<\/h2>\n<p>\u5229\u7528Redis\u5be6\u73fe\u8acb\u6c42\u9650\u6d41\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u53ef\u884c\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5176\u9ad8\u6027\u80fd\u3001\u7c21\u55ae\u7684\u6578\u64da\u7d50\u69cb\u548c\u539f\u5b50\u64cd\u4f5c\u7279\u6027\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u7ba1\u7406\u548c\u63a7\u5236\u8acb\u6c42\u6d41\u91cf\u3002\u96a8\u8457\u7db2\u7d61\u61c9\u7528\u7684\u589e\u9577\uff0c\u8acb\u6c42\u9650\u6d41\u5c07\u6210\u70ba\u4fdd\u8b77\u7cfb\u7d71\u7684\u91cd\u8981\u624b\u6bb5\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5229\u7528Redis\u5be6\u73fe\u8acb\u6c42\u9650\u6d41\u7684\u53ef\u884c\u6027\uff0c\u5206\u6790\u5176\u512a\u52e2\u3001\u6311\u6230\u53ca\u6700\u4f73\u5be6\u8e10\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\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-167687","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167687","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=167687"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167687\/revisions"}],"predecessor-version":[{"id":167688,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167687\/revisions\/167688"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167687"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167687"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167687"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}