{"id":161905,"date":"2024-11-04T10:19:20","date_gmt":"2024-11-04T02:19:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161905\/"},"modified":"2024-11-04T10:19:21","modified_gmt":"2024-11-04T02:19:21","slug":"%e8%a8%88%e6%99%82%e5%af%a6%e7%8f%be-redis-%e6%bb%91%e5%8b%95%e7%aa%97%e5%8f%a3%e7%b2%be%e7%a2%ba%e8%a8%88%e6%99%82%ef%bc%88redis-%e6%bb%91%e5%8b%95%e7%aa%97%e5%8f%a3-%e7%b2%be%e6%ba%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161905\/","title":{"rendered":"\u8a08\u6642\u5be6\u73fe Redis \u6ed1\u52d5\u7a97\u53e3\u7cbe\u78ba\u8a08\u6642\uff08redis \u6ed1\u52d5\u7a97\u53e3 \u7cbe\u6e96\uff09"},"content":{"rendered":"<h1 id=\"%e8%a8%88%e6%99%82%e5%af%a6%e7%8f%be-redis-%e6%bb%91%e5%8b%95%e7%aa%97%e5%8f%a3%e7%b2%be%e7%a2%ba%e8%a8%88%e6%99%82%ef%bc%88redis-%e6%bb%91%e5%8b%95%e7%aa%97%e5%8f%a3-%e7%b2%be%e6%ba%96%ef%bc%89-IpBWihAkjs\">\u8a08\u6642\u5be6\u73fe Redis \u6ed1\u52d5\u7a97\u53e3\u7cbe\u78ba\u8a08\u6642\uff08redis \u6ed1\u52d5\u7a97\u53e3 \u7cbe\u6e96\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5176\u4e2d\u6ed1\u52d5\u7a97\u53e3\u8a08\u6578\u5668\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528 Redis \u5be6\u73fe\u6ed1\u52d5\u7a97\u53e3\u7684\u7cbe\u78ba\u8a08\u6642\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%e6%bb%91%e5%8b%95%e7%aa%97%e5%8f%a3%e8%a8%88%e6%95%b8%e5%99%a8%ef%bc%9f-IpBWihAkjs\">\u4ec0\u9ebc\u662f\u6ed1\u52d5\u7a97\u53e3\u8a08\u6578\u5668\uff1f<\/h2>\n<p>\u6ed1\u52d5\u7a97\u53e3\u8a08\u6578\u5668\u662f\u4e00\u7a2e\u7528\u65bc\u9650\u5236\u67d0\u500b\u64cd\u4f5c\u5728\u7279\u5b9a\u6642\u9593\u5167\u7684\u6b21\u6578\u7684\u6280\u8853\u3002\u9019\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982 API \u8acb\u6c42\u9650\u5236\u3001\u6d41\u91cf\u63a7\u5236\u7b49\u3002\u6ed1\u52d5\u7a97\u53e3\u7684\u7279\u9ede\u662f\u5b83\u53ef\u4ee5\u6839\u64da\u6642\u9593\u7684\u63a8\u79fb\u81ea\u52d5\u66f4\u65b0\u8a08\u6578\uff0c\u9019\u4f7f\u5f97\u5b83\u6bd4\u56fa\u5b9a\u7a97\u53e3\u8a08\u6578\u5668\u66f4\u5177\u9748\u6d3b\u6027\u3002<\/p>\n<h2 id=\"redis-%e4%b8%ad%e7%9a%84%e6%bb%91%e5%8b%95%e7%aa%97%e5%8f%a3%e5%af%a6%e7%8f%be-IpBWihAkjs\">Redis \u4e2d\u7684\u6ed1\u52d5\u7a97\u53e3\u5be6\u73fe<\/h2>\n<p>\u5728 Redis \u4e2d\u5be6\u73fe\u6ed1\u52d5\u7a97\u53e3\u8a08\u6578\u5668\u7684\u57fa\u672c\u601d\u8def\u662f\u4f7f\u7528 Redis \u7684\u6578\u64da\u7d50\u69cb\u4f86\u5b58\u5132\u6642\u9593\u6233\u548c\u8a08\u6578\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li>\u4f7f\u7528 Redis \u7684\u5217\u8868\u6216\u6709\u5e8f\u96c6\u5408\u4f86\u5b58\u5132\u8acb\u6c42\u7684\u6642\u9593\u6233\u3002<\/li>\n<li>\u5728\u6bcf\u6b21\u8acb\u6c42\u5230\u4f86\u6642\uff0c\u5c07\u7576\u524d\u6642\u9593\u6233\u6dfb\u52a0\u5230\u6578\u64da\u7d50\u69cb\u4e2d\u3002<\/li>\n<li>\u5b9a\u671f\u6e05\u7406\u904e\u671f\u7684\u6642\u9593\u6233\uff0c\u4ee5\u78ba\u4fdd\u8a08\u6578\u5668\u53ea\u8a08\u7b97\u5728\u6ed1\u52d5\u7a97\u53e3\u5167\u7684\u8acb\u6c42\u3002<\/li>\n<li>\u6839\u64da\u7576\u524d\u6642\u9593\u6233\u548c\u6ed1\u52d5\u7a97\u53e3\u7684\u5927\u5c0f\u8a08\u7b97\u8acb\u6c42\u7684\u6578\u91cf\u3002<\/li>\n<\/ol>\n<h3 id=\"%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-IpBWihAkjs\">\u4ee3\u78bc\u793a\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Python \u548c Redis \u5be6\u73fe\u6ed1\u52d5\u7a97\u53e3\u8a08\u6578\u5668\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>import time\nimport redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef sliding_window_counter(key, window_size, max_requests):\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    request_count = r.zcard(key)\n\n    if request_count &lt; max_requests:\n        # \u6dfb\u52a0\u7576\u524d\u8acb\u6c42\u7684\u6642\u9593\u6233\n        r.zadd(key, {current_time: current_time})\n        # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\n        r.expire(key, window_size)\n        return True\n    else:\n        return False\n\n# \u4f7f\u7528\u793a\u4f8b\nkey = &quot;api_requests&quot;\nwindow_size = 60  # 60\u79d2\u7684\u6ed1\u52d5\u7a97\u53e3\nmax_requests = 10  # \u6bcf\u5206\u9418\u6700\u591a10\u6b21\u8acb\u6c42\n\nif sliding_window_counter(key, window_size, max_requests):\n    print(&quot;\u8acb\u6c42\u6210\u529f&quot;)\nelse:\n    print(&quot;\u8acb\u6c42\u904e\u591a\uff0c\u8acb\u7a0d\u5f8c\u518d\u8a66&quot;)\n<\/code><\/pre>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-IpBWihAkjs\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u73fe\u6ed1\u52d5\u7a97\u53e3\u8a08\u6578\u5668\u6642\uff0c\u6709\u5e7e\u500b\u6ce8\u610f\u4e8b\u9805\u9700\u8981\u8003\u616e\uff1a<\/p>\n<ul>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u78ba\u4fdd Redis \u7684\u6027\u80fd\u80fd\u5920\u6eff\u8db3\u9ad8\u4e26\u767c\u8acb\u6c42\u7684\u9700\u6c42\uff0c\u7279\u5225\u662f\u5728\u6d41\u91cf\u9ad8\u5cf0\u671f\u3002<\/li>\n<li><strong>\u6578\u64da\u6301\u4e45\u6027\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u9700\u6c42\uff0c\u8003\u616e\u662f\u5426\u9700\u8981\u5c07\u8a08\u6578\u5668\u7684\u6578\u64da\u6301\u4e45\u5316\u3002<\/li>\n<li><strong>\u904e\u671f\u7b56\u7565\uff1a<\/strong>\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u4ee5\u907f\u514d\u5167\u5b58\u6cc4\u6f0f\u548c\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IpBWihAkjs\">\u7e3d\u7d50<\/h2>\n<p>Redis \u7684\u6ed1\u52d5\u7a97\u53e3\u8a08\u6578\u5668\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u8acb\u6c42\u9650\u5236\u6280\u8853\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u63a7\u5236\u61c9\u7528\u7684\u6d41\u91cf\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528 Redis \u6ed1\u52d5\u7a97\u53e3\u5be6\u73fe\u7cbe\u78ba\u8a08\u6642\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u6642\u9593\u7ba1\u7406\u7684\u6e96\u78ba\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-161905","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161905","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=161905"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161905\/revisions"}],"predecessor-version":[{"id":161906,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161905\/revisions\/161906"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}