{"id":201269,"date":"2025-05-10T09:41:25","date_gmt":"2025-05-10T01:41:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201269\/"},"modified":"2025-05-10T09:41:25","modified_gmt":"2025-05-10T01:41:25","slug":"redis%e9%99%90%e6%b5%81%e7%9a%84%e5%ae%9e%e9%99%85%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201269\/","title":{"rendered":"redis\u9650\u6d41\u7684\u5b9e\u9645\u5e94\u7528"},"content":{"rendered":"

<\/b> <\/p>\n

redis\u9650\u6d41\u7684\u5b9e\u9645\u5e94\u7528<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5728\u6570\u636e\u5e93\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u5c31\u6574\u7406\u5206\u4eab\u300aredis\u9650\u6d41\u7684\u5b9e\u9645\u5e94\u7528\u300b\uff0c\u804a\u804aRedis\u9650\u6d41\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u8981\u505a\u9650\u6d41
<\/h2>\n

\u9996\u5148\u8ba9\u6211\u4eec\u5148\u770b\u4e00\u770b\u7cfb\u7edf\u67b6\u6784\u8bbe\u8ba1\u4e2d\uff0c\u4e3a\u4ec0\u4e48\u8981\u505a\u201c\u9650\u6d41\u201d\u3002<\/p>\n

\u65c5\u6e38\u666f\u70b9\u901a\u5e38\u90fd\u4f1a\u6709\u6700\u5927\u7684\u63a5\u5f85\u91cf\uff0c\u4e0d\u53ef\u80fd\u65e0\u9650\u5236\u7684\u653e\u6e38\u5ba2\u8fdb\u5165\uff0c\u6bd4\u5982\u6545\u5bab\u6bcf\u5929\u53ea\u5356\u516b\u4e07\u5f20\u7968\uff0c\u8d85\u8fc7\u516b\u4e07\u7684\u6e38\u5ba2\uff0c\u65e0\u6cd5\u4e70\u7968\u8fdb\u5165\uff0c\u56e0\u4e3a\u5982\u679c\u8d85\u8fc7\u516b\u4e07\u4eba\uff0c\u666f\u70b9\u7684\u5de5\u4f5c\u4eba\u5458\u53ef\u80fd\u5c31\u5fd9\u4e0d\u8fc7\u6765\uff0c\u8fc7\u4e8e\u62e5\u6324\u7684\u666f\u70b9\u4e5f\u4f1a\u5f71\u54cd\u6e38\u5ba2\u7684\u4f53\u9a8c\u548c\u5fc3\u60c5\uff0c\u5e76\u4e14\u8fd8\u4f1a\u6709\u5b89\u5168\u9690\u60a3\uff1b\u300c\u53ea\u5356N\u5f20\u7968\uff0c\u8fd9\u5c31\u662f\u4e00\u79cd\u9650\u6d41\u7684\u624b\u6bb5<\/code>\u300d\u3002<\/p>\n

\u8f6f\u4ef6\u67b6\u6784\u4e2d\u7684\u670d\u52a1\u9650\u6d41\u4e5f\u662f\u7c7b\u4f3c\uff0c\u4e5f\u662f\u5f53\u7cfb\u7edf\u8d44\u6e90\u4e0d\u591f\u7684\u65f6\u5019\uff0c\u5df2\u7ecf\u4e0d\u8db3\u4ee5\u5e94\u5bf9\u5927\u91cf\u7684\u8bf7\u6c42\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u670d\u52a1\u8fd8\u80fd\u591f\u6b63\u5e38\u8fd0\u884c\uff0c\u90a3\u4e48\u6309\u7167\u89c4\u5219\uff0c\u300c\u7cfb\u7edf\u4f1a\u628a\u591a\u4f59\u7684\u8bf7\u6c42\u76f4\u63a5\u62d2\u7edd\u6389\uff0c\u4ee5\u8fbe\u5230\u9650\u6d41\u7684\u6548\u679c<\/code>\u300d\uff1b<\/p>\n

\u4e0d\u77e5\u9053\u5927\u5bb6\u6ce8\u610f\u8fc7\u6ca1\u6709\uff0c\u6bd4\u5982\u53cc11\uff0c\u521a\u8fc712\u70b9\u6709\u4e9b\u987e\u5ba2\u7684\u7f51\u9875\u6216APP\u4f1a\u663e\u793a\u4e0b\u5355\u5931\u8d25\u7684\u63d0\u793a\uff0c\u6709\u4e9b\u5c31\u662f\u88ab\u9650\u6d41\u6389\u4e86\u3002<\/p>\n

\u5e38\u89c1\u7684\u9650\u6d41\u7b97\u6cd5
<\/h2>\n

\u8ba1\u6570\u6cd5<\/p>\n

\u987e\u540d\u601d\u4e49\u5c31\u662f\u6765\u4e00\u4e2a\uff0c\u8bb0\u5f55\u4e00\u4e2a\uff0c\u6bd4\u5982\u62111\u5206\u949f\u53ea\u80fd\u5904\u74061000\u4e2a\u8bf7\u6c42\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u8ba1\u6570\u5668\uff0c\u6765\u4e00\u4e2a\u8bf7\u6c42\u5c31incr+1\uff0c\u5f531\u5206\u949f\u4e4b\u5185\u7684\u6570\u91cf\u5927\u4e8e\u7b49\u4e8e1000\u4e4b\u540e\u4e0d\u5904\u7406\u4e86\u5373\u53ef\uff0c\u4f2a\u4ee3\u7801\u5982\u4e0b<\/p>\n

\n$redis = new Redis();\n$redis->connect('127.0.0.1', 6379);\n$rate_limit = 1000;  \/\/\u9650\u5236\u4e2a\u6570\n$rate_seconds = 60;  \/\/\u9650\u5236\u65f6\u95f4\n$redis_key = \"redis_limit\";\n$count = $redis->get($redis_key);\nif ($count >= $rate_limit){  \/\/\u5224\u65ad60\u79d2\u5185\u8bf7\u6c42\u4e2a\u6570\u662f\u5426\u5df2\u7ecf\u8fbe\u5230\u4e0a\u9650\n    \/\/\u76f4\u63a5\u8fd4\u56de\uff0c\u4e0d\u5904\u7406\u8bf7\u6c42\n    return\n}\n$redis->incr($redis_key, 1);\/\/\u8bf7\u6c42\u8ba1\u6570\n$redis->expire($redis, $rate_seconds); \/\/\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4 60s\n\/\/to do  \u4e1a\u52a1\u903b\u8f91\u5904\u7406.......\n<\/pre>\n
\u8fd9\u79cd\u8ba1\u6570\u65b9\u5f0f\u6bd4\u8f83\u7b80\u5355\u5feb\u6377\uff0c\u4f46\u662f\u6709\u5f88\u5927\u7684\u7f3a\u70b9\uff0c\u56e0\u4e3a\u8bf7\u6c42\u7684\u8bbf\u95ee\u4e0d\u4e00\u5b9a\u662f\u5f88\u5e73\u7a33\u7684\uff0c\u5982\u679c0:59\u8fc7\u6765\u4e861000\u4e2a\u8bf7\u6c42\uff0c1:01\u5df2\u7ecf\u662f\u4e0b\u4e00\u4e2a\u7a97\u53e3\uff0c\u53c8\u8fc7\u6765\u4e861000\u4e2a\u8bf7\u6c42\uff0c\u4f46\u5b9e\u9645\u4e0a\u4e09\u79d2\u5185\u6765\u4e862000\u4e2a\u8bf7\u6c42\uff0c\u5df2\u7ecf\u8d85\u8fc7\u6211\u4eec\u7684\u9650\u6d41\u4e0a\u9650\u4e86\u3002\u6240\u4ee5\u8fd9\u79cd\u65b9\u6cd5\u662f\u4e0d\u63a8\u8350\u7684\u3002<\/p>\n
\u6ed1\u52a8\u7a97\u53e3\u7b97\u6cd5
<\/h2>\n
\u8fd8\u62ff\u4e0a\u9762\u7684\u4f8b\u5b50\uff0c\u4e00\u5206\u949f\u52066\u4efd\uff0c\u6bcf\u4efd10\u79d2\uff1b\u6bcf\u8fc710\u79d2\u949f\uff0c\u6211\u4eec\u7684\u65f6\u95f4\u7a97\u53e3\u5c31\u4f1a\u5f80\u53f3\u6ed1\u52a8\u4e00\u683c\uff0c\u6bcf\u4e2a\u683c\u5b50\u90fd\u6709\u72ec\u7acb\u7684\u8ba1\u6570\u5668\uff0c\u6211\u4eec\u6bcf\u6b21\u90fd\u8ba1\u7b97\u65f6\u95f4\u7a97\u53e3\u5185\u7684\u6570\u91cf\uff0c\u53ef\u4ee5\u89e3\u51b3\u8ba1\u6570\u5668\u6cd5\u4e2d\u7684\u95ee\u9898\uff0c\u800c\u4e14\u5f53\u6ed1\u52a8\u7a97\u53e3\u7684\u683c\u5b50\u8d8a\u591a\uff0c\u90a3\u4e48\u9650\u6d41\u7684\u7edf\u8ba1\u5c31\u4f1a\u8d8a\u7cbe\u786e\u3002\u5177\u4f53\u53ef\u4ee5\u53c2\u8003\u4e0b\u56fe\uff0c\u770b\u56fe\u6bd4\u8f83\u6e05\u6670<\/p>\n
\u4f2a\u4ee3\u7801\u5b9e\u73b0\u5982\u4e0b<\/p>\n
\nfunction api_limit($scene,  $period, $maxCount){\n    $redis = new Redis();\n    $redis->connect('127.0.0.1', 6379);\n    $key = sprintf('hist:%s', $scene); \/\/\u9650\u6d41\u573a\u666f\u552f\u4e00\u6807\u8bc6\n    $now = msectime();   \/\/ \u6beb\u79d2\u65f6\u95f4\u6233,\u8fd9\u6837\u66f4\u7cbe\u786e\n    $pipe=$redis->multi(Redis::PIPELINE); \/\/\u4f7f\u7528\u7ba1\u9053\u63d0\u5347\u6027\u80fd\n    $pipe->zadd($key, $now, $now); \/\/value \u548c score \u90fd\u4f7f\u7528\u6beb\u79d2\u65f6\u95f4\u6233\n    $pipe->zremrangebyscore($key, 0, $now - $period); \/\/\u79fb\u9664\u65f6\u95f4\u7a97\u53e3\u4e4b\u524d\u7684\u884c\u4e3a\u8bb0\u5f55\uff0c\u5269\u4e0b\u7684\u90fd\u662f\u65f6\u95f4\u7a97\u53e3\u5185\u7684\n    $pipe->zcard($key);  \/\/\u83b7\u53d6\u7a97\u53e3\u5185\u7684\u884c\u4e3a\u6570\u91cf\n    $pipe->expire($key, $period\/1000 + 1);  \/\/\u591a\u52a0\u4e00\u79d2\u8fc7\u671f\u65f6\u95f4\n    $replies = $pipe->exec();\n    return $replies[2] \n\n
\u8fd9\u6bb5\u4ee3\u7801\u8fd8\u662f\u7565\u663e\u590d\u6742\uff0c\u9700\u8981\u8bfb\u8005\u82b1\u4e00\u5b9a\u7684\u65f6\u95f4\u597d\u597d\u5543\u3002\u5b83\u7684\u6574\u4f53\u601d\u8def\u5c31\u662f\uff1a\u6bcf\u4e00\u4e2a\u884c\u4e3a\u5230\u6765\u65f6\uff0c\u90fd\u7ef4\u62a4\u4e00\u6b21\u65f6\u95f4\u7a97\u53e3\u3002\u5c06\u65f6\u95f4\u7a97\u53e3\u5916\u7684\u8bb0\u5f55\u5168\u90e8\u6e05\u7406\u6389\uff0c\u53ea\u4fdd\u7559\u7a97\u53e3\u5185\u7684\u8bb0\u5f55\u3002<\/p>\n
\u56e0\u4e3a\u8fd9\u51e0\u4e2a\u8fde\u7eed\u7684 Redis \u64cd\u4f5c\u90fd\u662f\u9488\u5bf9\u540c\u4e00\u4e2a key \u7684\uff0c\u4f7f\u7528 pipeline \u53ef\u4ee5\u663e\u8457\u63d0\u5347Redis \u5b58\u53d6\u6548\u7387\u3002\u300c\u4f46\u8fd9\u79cd\u65b9\u6848\u4e5f\u6709\u7f3a\u70b9\uff0c\u56e0\u4e3a\u5b83\u8981\u8bb0\u5f55\u65f6\u95f4\u7a97\u53e3\u5185\u6240\u6709\u7684\u884c\u4e3a\u8bb0\u5f55\uff0c\u5982\u679c\u8fd9\u4e2a\u91cf\u5f88\u5927\uff0c\u6bd4\u5982\u9650\u5b9a 60s \u5185\u64cd\u4f5c\u4e0d\u5f97\u8d85\u8fc7 100w \u6b21\u8fd9\u6837\u7684\u53c2\u6570\uff0c\u5b83\u662f\u4e0d\u9002\u5408\u505a\u8fd9\u6837\u7684\u9650\u6d41\u7684\uff0c\u56e0\u4e3a\u4f1a\u6d88\u8017\u5927\u91cf\u7684\u5b58\u50a8\u7a7a\u95f4<\/code>\u300d\u3002<\/p>\n
\u540e\u9762\u8fd8\u6709\u6f0f\u6876\u7b97\u6cd5\u548c\u4ee4\u724c\u6876\u7b97\u6cd5\uff0c\u7531\u4e8e\u5404\u81ea\u7684\u5b9e\u73b0\u6bd4\u8f83\u590d\u6742\uff0c\u6240\u4ee5\u51c6\u5907\u5404\u81ea\u65b0\u5f00\u4e00\u7bc7\u6587\u7ae0\u5355\u72ec\u63cf\u8ff0<\/p>\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
redis\u9650\u6d41\u7684\u5b9e\u9645\u5e94\u7528 \u6536\u85cf ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201269","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201269","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201269"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201269\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201269"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201269"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201269"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}