{"id":128263,"date":"2024-10-26T12:51:19","date_gmt":"2024-10-26T04:51:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128263\/"},"modified":"2024-10-26T12:51:20","modified_gmt":"2024-10-26T04:51:20","slug":"redis-%e5%af%a6%e7%8f%be%e7%99%be%e8%90%ac%e7%b4%9a%e9%99%90%e6%b5%81%e6%8a%80%e8%a1%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128263\/","title":{"rendered":"Redis \u5be6\u73fe\u767e\u842c\u7d1a\u9650\u6d41\u6280\u8853"},"content":{"rendered":"<h1 id=\"redis-%e5%af%a6%e7%8f%be%e7%99%be%e8%90%ac%e7%b4%9a%e9%99%90%e6%b5%81%e6%8a%80%e8%a1%93-lRoKsXhVgr\">Redis \u5be6\u73fe\u767e\u842c\u7d1a\u9650\u6d41\u6280\u8853<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u9650\u6d41\u6280\u8853\u6210\u70ba\u4e86\u4fdd\u8b77\u61c9\u7528\u7a0b\u5e8f\u548c\u670d\u52d9\u7684\u91cd\u8981\u624b\u6bb5\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u8acb\u6c42\u6d41\u91cf\uff0c\u9632\u6b62\u670d\u52d9\u5668\u904e\u8f09\uff0c\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff0c\u6210\u70ba\u4e86\u5be6\u73fe\u767e\u842c\u7d1a\u9650\u6d41\u6280\u8853\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e9%99%90%e6%b5%81%e6%8a%80%e8%a1%93%ef%bc%9f-lRoKsXhVgr\">\u4ec0\u9ebc\u662f\u9650\u6d41\u6280\u8853\uff1f<\/h2>\n<p>\u9650\u6d41\u6280\u8853\u662f\u6307\u5c0d\u7cfb\u7d71\u7684\u8acb\u6c42\u9032\u884c\u63a7\u5236\uff0c\u4ee5\u9632\u6b62\u904e\u591a\u7684\u8acb\u6c42\u540c\u6642\u5230\u9054\u7cfb\u7d71\uff0c\u5f9e\u800c\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\u6216\u5d29\u6f70\u3002\u9650\u6d41\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u7b56\u7565\u9032\u884c\u5be6\u73fe\uff0c\u4f8b\u5982\u57fa\u65bc\u6642\u9593\u7a97\u53e3\u7684\u9650\u6d41\u3001\u4ee4\u724c\u6876\u7b97\u6cd5\u3001\u6f0f\u6876\u7b97\u6cd5\u7b49\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%84%aa%e5%8b%a2-lRoKsXhVgr\">Redis \u7684\u512a\u52e2<\/h2>\n<p>Redis \u4ee5\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u7c21\u55ae\u7684\u64cd\u4f5c\uff0c\u6210\u70ba\u4e86\u5be6\u73fe\u9650\u6d41\u7684\u71b1\u9580\u9078\u64c7\u3002\u4ee5\u4e0b\u662f Redis \u5728\u9650\u6d41\u6280\u8853\u4e2d\u7684\u5e7e\u500b\u4e3b\u8981\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u662f\u4e00\u500b\u57fa\u65bc\u5167\u5b58\u7684\u6578\u64da\u5eab\uff0c\u8b80\u5beb\u901f\u5ea6\u6975\u5feb\uff0c\u80fd\u5920\u652f\u6301\u6bcf\u79d2\u6578\u5341\u842c\u6b21\u7684\u8acb\u6c42\u3002<\/li>\n<li><strong>\u6578\u64da\u7d50\u69cb\u9748\u6d3b\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u80fd\u5920\u9748\u6d3b\u61c9\u7528\u65bc\u4e0d\u540c\u7684\u9650\u6d41\u5834\u666f\u3002<\/li>\n<li><strong>\u539f\u5b50\u64cd\u4f5c\uff1a<\/strong>Redis \u652f\u6301\u539f\u5b50\u64cd\u4f5c\uff0c\u80fd\u5920\u78ba\u4fdd\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e0b\u7684\u6578\u64da\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e5%af%a6%e7%8f%be%e9%99%90%e6%b5%81%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%b7%af-lRoKsXhVgr\">Redis \u5be6\u73fe\u9650\u6d41\u7684\u57fa\u672c\u601d\u8def<\/h2>\n<p>\u5728 Redis \u4e2d\u5be6\u73fe\u9650\u6d41\u7684\u57fa\u672c\u601d\u8def\u662f\u5229\u7528\u5176\u9375\u503c\u5b58\u5132\u7684\u7279\u6027\uff0c\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u4f86\u63a7\u5236\u8acb\u6c42\u7684\u983b\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u65bc Redis \u7684\u7c21\u55ae\u9650\u6d41\u5be6\u73fe\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n# \u5047\u8a2d\u6211\u5011\u8981\u9650\u5236\u6bcf\u500b\u7528\u6236\u6bcf\u5206\u9418\u6700\u591a\u8acb\u6c42 10 \u6b21\ndef rate_limit(user_id):\n    key = f\"rate_limit:{user_id}\"\n    current_count = redis.get(key)\n\n    if current_count is None:\n        # \u5982\u679c\u6c92\u6709\u8a18\u9304\uff0c\u5247\u8a2d\u7f6e\u521d\u59cb\u503c\u4e26\u8a2d\u7f6e\u904e\u671f\u6642\u9593\n        redis.set(key, 1, ex=60)\n        return True\n    elif int(current_count) &lt; 10:\n        # \u5982\u679c\u8acb\u6c42\u6b21\u6578\u5c0f\u65bc 10\uff0c\u5247\u589e\u52a0\u8a08\u6578\n        redis.incr(key)\n        return True\n    else:\n        # \u8d85\u904e\u9650\u5236\n        return False\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u7528\u6236 ID \u4f5c\u70ba\u9375\uff0c\u4e26\u5c07\u8acb\u6c42\u6b21\u6578\u5b58\u5132\u5728 Redis \u4e2d\u3002\u7576\u7528\u6236\u767c\u8d77\u8acb\u6c42\u6642\uff0c\u6211\u5011\u6aa2\u67e5\u7576\u524d\u8acb\u6c42\u6b21\u6578\uff0c\u5982\u679c\u5c0f\u65bc\u9650\u5236\uff0c\u5247\u5141\u8a31\u8acb\u6c42\u4e26\u589e\u52a0\u8a08\u6578\uff1b\u5982\u679c\u8d85\u904e\u9650\u5236\uff0c\u5247\u62d2\u7d55\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e9%80%b2%e9%9a%8e%e9%99%90%e6%b5%81%e7%ad%96%e7%95%a5-lRoKsXhVgr\">\u9032\u968e\u9650\u6d41\u7b56\u7565<\/h2>\n<p>\u9664\u4e86\u57fa\u672c\u7684\u9650\u6d41\u7b56\u7565\uff0cRedis \u9084\u53ef\u4ee5\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u9650\u6d41\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u6ed1\u52d5\u6642\u9593\u7a97\u53e3\u4f86\u8a08\u7b97\u8acb\u6c42\u6b21\u6578\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u7cbe\u78ba\u5730\u63a7\u5236\u6d41\u91cf\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u65bc\u6ed1\u52d5\u7a97\u53e3\u7684\u9650\u6d41\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n# \u4f7f\u7528\u5217\u8868\u4f86\u8a18\u9304\u8acb\u6c42\u6642\u9593\u6233\ndef sliding_window_rate_limit(user_id):\n    key = f\"sliding_window:{user_id}\"\n    current_time = int(time.time())\n\n    # \u79fb\u9664\u8d85\u904e 60 \u79d2\u7684\u8acb\u6c42\n    redis.lrem(key, 0, current_time - 60)\n    \n    # \u7372\u53d6\u7576\u524d\u8acb\u6c42\u6b21\u6578\n    request_count = redis.llen(key)\n\n    if request_count &lt; 10:\n        # \u5982\u679c\u8acb\u6c42\u6b21\u6578\u5c0f\u65bc 10\uff0c\u5247\u8a18\u9304\u7576\u524d\u8acb\u6c42\u6642\u9593\n        redis.rpush(key, current_time)\n        return True\n    else:\n        # \u8d85\u904e\u9650\u5236\n        return False\n<\/code><\/pre>\n<p>\u9019\u7a2e\u65b9\u6cd5\u80fd\u5920\u66f4\u9748\u6d3b\u5730\u63a7\u5236\u8acb\u6c42\u6d41\u91cf\uff0c\u9069\u5408\u9700\u8981\u7cbe\u78ba\u9650\u6d41\u7684\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lRoKsXhVgr\">\u7e3d\u7d50<\/h2>\n<p>Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u70ba\u5be6\u73fe\u767e\u842c\u7d1a\u9650\u6d41\u6280\u8853\u63d0\u4f9b\u4e86\u5f37\u6709\u529b\u7684\u652f\u6301\u3002\u901a\u904e\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u548c\u9ad8\u6027\u80fd\u7684\u64cd\u4f5c\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u9650\u6d41\u7b56\u7565\u3002\u7121\u8ad6\u662f\u57fa\u65bc\u6642\u9593\u7a97\u53e3\u7684\u7c21\u55ae\u9650\u6d41\uff0c\u9084\u662f\u6ed1\u52d5\u7a97\u53e3\u7684\u9032\u968e\u9650\u6d41\uff0cRedis \u90fd\u80fd\u5920\u8f15\u9b06\u61c9\u5c0d\u3002<\/p>\n<p>\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\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u5be6\u73fe\u9ad8\u6027\u80fd\u7684\u9650\u6d41\u6280\u8853\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u9ad8\u6548\u7684\u767e\u842c\u7d1a\u9650\u6d41\u6280\u8853\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u6d41\u91cf\u7ba1\u7406\u7684\u6700\u4f73\u89e3\u6c7a\u65b9\u6848\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-128263","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128263","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=128263"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128263\/revisions"}],"predecessor-version":[{"id":128264,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128263\/revisions\/128264"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128263"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128263"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}