{"id":185114,"date":"2024-11-10T18:51:17","date_gmt":"2024-11-10T10:51:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185114\/"},"modified":"2024-11-10T18:51:19","modified_gmt":"2024-11-10T10:51:19","slug":"%e4%bd%bf%e7%94%a8redis%e9%99%90%e6%b5%81%e9%9a%8a%e5%88%97%e7%b7%a9%e5%ad%98%e5%af%a6%e7%8f%be%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%84%aa%e5%8c%96%ef%bc%88redis%e9%99%90%e6%b5%81%e9%9a%8a%e5%88%97%e7%b7%a9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185114\/","title":{"rendered":"\u4f7f\u7528Redis\u9650\u6d41\u968a\u5217\u7de9\u5b58\u5be6\u73fe\u4f3a\u670d\u5668\u512a\u5316\uff08redis\u9650\u6d41\u968a\u5217\u7de9\u5b58\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e9%99%90%e6%b5%81%e9%9a%8a%e5%88%97%e7%b7%a9%e5%ad%98%e5%af%a6%e7%8f%be%e4%bc%ba%e6%9c%8d%e5%99%a8%e5%84%aa%e5%8c%96-YRMMrZIcLb\">\u4f7f\u7528Redis\u9650\u6d41\u968a\u5217\u7de9\u5b58\u5be6\u73fe\u4f3a\u670d\u5668\u512a\u5316<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u4f3a\u670d\u5668\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u5c0d\u65bc\u4efb\u4f55\u5728\u7dda\u696d\u52d9\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u4f3a\u670d\u5668\u9762\u81e8\u7684\u8acb\u6c42\u4e5f\u96a8\u4e4b\u4e0a\u5347\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u4f3a\u670d\u5668\u904e\u8f09\u6216\u6027\u80fd\u4e0b\u964d\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u4e00\u554f\u984c\uff0c\u4f7f\u7528Redis\u9650\u6d41\u968a\u5217\u7de9\u5b58\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u672c\u6587\u5c07\u63a2\u8a0eRedis\u7684\u57fa\u672c\u6982\u5ff5\u3001\u9650\u6d41\u7684\u5fc5\u8981\u6027\u4ee5\u53ca\u5982\u4f55\u901a\u904eRedis\u5be6\u73fe\u4f3a\u670d\u5668\u512a\u5316\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afredis%ef%bc%9f-YRMMrZIcLb\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u7528\u65bc\u6578\u64da\u7de9\u5b58\u548c\u6d88\u606f\u968a\u5217\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u4e26\u4e14\u5177\u6709\u6301\u4e45\u5316\u529f\u80fd\u3002\u7531\u65bc\u5176\u5feb\u901f\u7684\u8b80\u5beb\u901f\u5ea6\uff0cRedis\u6210\u70ba\u8a31\u591a\u9ad8\u6d41\u91cf\u7db2\u7ad9\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u7de9\u5b58\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%99%90%e6%b5%81%e7%9a%84%e5%bf%85%e8%a6%81%e6%80%a7-YRMMrZIcLb\">\u9650\u6d41\u7684\u5fc5\u8981\u6027<\/h2>\n<p>\u9650\u6d41\u662f\u6307\u5c0d\u8acb\u6c42\u7684\u6578\u91cf\u9032\u884c\u63a7\u5236\uff0c\u4ee5\u9632\u6b62\u4f3a\u670d\u5668\u904e\u8f09\u3002\u7576\u5927\u91cf\u7528\u6236\u540c\u6642\u8a2a\u554f\u4f3a\u670d\u5668\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u8cc7\u6e90\u8017\u76e1\uff0c\u5f9e\u800c\u5f71\u97ff\u670d\u52d9\u7684\u53ef\u7528\u6027\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u901a\u904e\u5be6\u65bd\u9650\u6d41\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u8acb\u6c42\uff0c\u78ba\u4fdd\u4f3a\u670d\u5668\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4ecd\u80fd\u4fdd\u6301\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n<h2 id=\"redis%e9%99%90%e6%b5%81%e7%9a%84%e5%af%a6%e7%8f%be%e6%96%b9%e6%b3%95-YRMMrZIcLb\">Redis\u9650\u6d41\u7684\u5be6\u73fe\u65b9\u6cd5<\/h2>\n<p>\u4f7f\u7528Redis\u9032\u884c\u9650\u6d41\u7684\u57fa\u672c\u601d\u8def\u662f\u5229\u7528\u5176\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u64cd\u4f5c\u80fd\u529b\uff0c\u4f86\u8a18\u9304\u6bcf\u500b\u7528\u6236\u7684\u8acb\u6c42\u6b21\u6578\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u9650\u6d41\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef is_rate_limited(user_id, limit, period):\n    # \u7372\u53d6\u7576\u524d\u6642\u9593\n    current_time = int(time.time())\n    # \u8a08\u7b97\u904e\u53bb\u7684\u6642\u9593\u7a97\u53e3\n    window_start = current_time - period\n\n    # \u4f7f\u7528Redis\u7684ZADD\u547d\u4ee4\u5c07\u8acb\u6c42\u6642\u9593\u6233\u6dfb\u52a0\u5230\u6709\u5e8f\u96c6\u5408\u4e2d\n    r.zadd(user_id, {current_time: current_time})\n\n    # \u522a\u9664\u8d85\u904e\u6642\u9593\u7a97\u53e3\u7684\u8acb\u6c42\n    r.zremrangebyscore(user_id, 0, window_start)\n\n    # \u7372\u53d6\u7576\u524d\u8acb\u6c42\u6578\u91cf\n    request_count = r.zcard(user_id)\n\n    # \u5224\u65b7\u662f\u5426\u8d85\u904e\u9650\u5236\n    if request_count &gt; limit:\n        return True  # \u8d85\u904e\u9650\u5236\n    return False  # \u672a\u8d85\u904e\u9650\u5236\n\n# \u4f7f\u7528\u793a\u4f8b\nuser_id = 'user123'\nlimit = 5  # \u6bcf5\u79d2\u6700\u591a5\u6b21\u8acb\u6c42\nperiod = 5  # \u6642\u9593\u7a97\u53e3\u70ba5\u79d2\n\nif is_rate_limited(user_id, limit, period):\n    print(\"\u8acb\u6c42\u904e\u65bc\u983b\u7e41\uff0c\u8acb\u7a0d\u5f8c\u518d\u8a66\u3002\")\nelse:\n    print(\"\u8acb\u6c42\u6210\u529f\u3002\")\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528Redis\u7684\u6709\u5e8f\u96c6\u5408\u4f86\u5b58\u5132\u7528\u6236\u7684\u8acb\u6c42\u6642\u9593\u6233\u3002\u6bcf\u7576\u7528\u6236\u767c\u9001\u8acb\u6c42\u6642\uff0c\u6211\u5011\u5c07\u7576\u524d\u6642\u9593\u6233\u6dfb\u52a0\u5230\u6709\u5e8f\u96c6\u5408\u4e2d\uff0c\u4e26\u522a\u9664\u8d85\u904e\u6642\u9593\u7a97\u53e3\u7684\u8acb\u6c42\u3002\u6700\u5f8c\uff0c\u6211\u5011\u6aa2\u67e5\u7576\u524d\u8acb\u6c42\u6578\u91cf\u662f\u5426\u8d85\u904e\u9650\u5236\uff0c\u5f9e\u800c\u6c7a\u5b9a\u662f\u5426\u5141\u8a31\u8a72\u8acb\u6c42\u3002<\/p>\n<h2 id=\"redis%e9%99%90%e6%b5%81%e7%9a%84%e5%84%aa%e5%8b%a2-YRMMrZIcLb\">Redis\u9650\u6d41\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u7684\u5167\u5b58\u5b58\u5132\u7279\u6027\u4f7f\u5176\u80fd\u5920\u5feb\u901f\u8655\u7406\u5927\u91cf\u8acb\u6c42\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u696d\u52d9\u9700\u6c42\u81ea\u5b9a\u7fa9\u9650\u6d41\u7b56\u7565\uff0c\u5982\u57fa\u65bc\u7528\u6236\u3001IP\u5730\u5740\u7b49\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u8c50\u5bcc\u7684API\uff0c\u65b9\u4fbf\u958b\u767c\u8005\u9032\u884c\u96c6\u6210\u548c\u4f7f\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-YRMMrZIcLb\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528Redis\u9650\u6d41\u968a\u5217\u7de9\u5b58\u662f\u4e00\u7a2e\u6709\u6548\u7684\u4f3a\u670d\u5668\u512a\u5316\u7b56\u7565\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u5728\u9ad8\u6d41\u91cf\u60c5\u6cc1\u4e0b\u4fdd\u6301\u670d\u52d9\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002\u901a\u904e\u5408\u7406\u8a2d\u8a08\u9650\u6d41\u7b56\u7565\uff0c\u4f01\u696d\u53ef\u4ee5\u6709\u6548\u7ba1\u7406\u7528\u6236\u8acb\u6c42\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u548c\u9ad8\u53ef\u7528\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u4f3a\u670d\u5668\u548c\u6280\u8853\u67b6\u69cb\u81f3\u95dc\u91cd\u8981\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u5be6\u73fe\u4f3a\u670d\u5668\u7684\u6700\u4f73\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Redis\u9650\u6d41\u968a\u5217\u7de9\u5b58\u6280\u8853\uff0c\u63d0\u5347\u4f3a\u670d\u5668\u6027\u80fd\uff0c\u512a\u5316\u8acb\u6c42\u8655\u7406\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u8207\u9ad8\u6548\u904b\u884c\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-185114","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185114","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=185114"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185114\/revisions"}],"predecessor-version":[{"id":185115,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185114\/revisions\/185115"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}