{"id":182592,"date":"2024-11-09T23:44:23","date_gmt":"2024-11-09T15:44:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182592\/"},"modified":"2024-11-09T23:44:24","modified_gmt":"2024-11-09T15:44:24","slug":"%e5%af%a6%e8%b8%90%e5%9f%ba%e6%96%bcredis%e5%af%a6%e7%8f%be%e9%99%90%e6%b5%81%e5%8a%9f%e8%83%bd%e7%9a%84%e4%bb%a3%e7%a2%bc%e5%af%a6%e8%b8%90%ef%bc%88redis%e6%9c%8d%e5%8b%99%e9%99%90%e6%b5%81%e4%bb%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182592\/","title":{"rendered":"\u5be6\u8e10\u57fa\u65bcRedis\u5be6\u73fe\u9650\u6d41\u529f\u80fd\u7684\u4ee3\u78bc\u5be6\u8e10\uff08redis\u670d\u52d9\u9650\u6d41\u4ee3\u78bc\uff09"},"content":{"rendered":"<h1 id=\"%e5%af%a6%e8%b8%90%e5%9f%ba%e6%96%bcredis%e5%af%a6%e7%8f%be%e9%99%90%e6%b5%81%e5%8a%9f%e8%83%bd%e7%9a%84%e4%bb%a3%e7%a2%bc%e5%af%a6%e8%b8%90-zvcMwDLaDl\">\u5be6\u8e10\u57fa\u65bcRedis\u5be6\u73fe\u9650\u6d41\u529f\u80fd\u7684\u4ee3\u78bc\u5be6\u8e10<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u9650\u6d41\u662f\u4e00\u500b\u91cd\u8981\u7684\u6280\u8853\u624b\u6bb5\uff0c\u7528\u65bc\u4fdd\u8b77\u670d\u52d9\u5668\u8cc7\u6e90\uff0c\u9632\u6b62\u904e\u8f09\u548c\u653b\u64ca\u3002Redis\u4f5c\u70ba\u4e00\u500b\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\u9650\u6d41\u529f\u80fd\u7684\u7406\u60f3\u9078\u64c7\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u9650\u6d41\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e9%99%90%e6%b5%81%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-zvcMwDLaDl\">\u9650\u6d41\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u9650\u6d41\u662f\u6307\u5c0d\u67d0\u4e00\u8cc7\u6e90\u7684\u8a2a\u554f\u9032\u884c\u63a7\u5236\uff0c\u4ee5\u9632\u6b62\u904e\u591a\u7684\u8acb\u6c42\u540c\u6642\u5230\u9054\uff0c\u5f9e\u800c\u5c0e\u81f4\u7cfb\u7d71\u5d29\u6f70\u6216\u6027\u80fd\u4e0b\u964d\u3002\u5e38\u898b\u7684\u9650\u6d41\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4ee4\u724c\u6876\u7b97\u6cd5\uff1a<\/strong>\u901a\u904e\u751f\u6210\u4ee4\u724c\u4f86\u63a7\u5236\u8acb\u6c42\u7684\u6578\u91cf\uff0c\u53ea\u6709\u7372\u5f97\u4ee4\u724c\u7684\u8acb\u6c42\u624d\u80fd\u88ab\u8655\u7406\u3002<\/li>\n<li><strong>\u6f0f\u6876\u7b97\u6cd5\uff1a<\/strong>\u8acb\u6c42\u4ee5\u56fa\u5b9a\u7684\u901f\u7387\u88ab\u8655\u7406\uff0c\u8d85\u904e\u901f\u7387\u7684\u8acb\u6c42\u5c07\u88ab\u4e1f\u68c4\u3002<\/li>\n<li><strong>\u56fa\u5b9a\u7a97\u53e3\u8a08\u6578\uff1a<\/strong>\u5728\u56fa\u5b9a\u7684\u6642\u9593\u7a97\u53e3\u5167\u8a08\u7b97\u8acb\u6c42\u6578\u91cf\uff0c\u8d85\u904e\u9650\u5236\u5247\u62d2\u7d55\u8acb\u6c42\u3002<\/li>\n<li><strong>\u6ed1\u52d5\u7a97\u53e3\u8a08\u6578\uff1a<\/strong>\u985e\u4f3c\u65bc\u56fa\u5b9a\u7a97\u53e3\uff0c\u4f46\u4f7f\u7528\u6ed1\u52d5\u6642\u9593\u7a97\u53e3\u4f86\u8a08\u7b97\u8acb\u6c42\u6578\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%99%90%e6%b5%81-zvcMwDLaDl\">\u4f7f\u7528Redis\u5be6\u73fe\u9650\u6d41<\/h2>\n<p>\u5728\u9019\u88e1\uff0c\u6211\u5011\u5c07\u4f7f\u7528Redis\u7684\u7c21\u55ae\u8a08\u6578\u5668\u4f86\u5be6\u73fe\u56fa\u5b9a\u7a97\u53e3\u8a08\u6578\u7684\u9650\u6d41\u7b56\u7565\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%aeredis%e7%92%b0%e5%a2%83-zvcMwDLaDl\">1. \u8a2d\u7f6eRedis\u74b0\u5883<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u4f60\u7684\u74b0\u5883\u4e2d\u5df2\u7d93\u5b89\u88dd\u4e86Redis\u3002\u53ef\u4ee5\u4f7f\u7528Docker\u4f86\u5feb\u901f\u642d\u5efaRedis\u74b0\u5883\uff1a<\/p>\n<pre><code>docker run --name redis -d -p 6379:6379 redis<\/code><\/pre>\n<h3 id=\"2-%e5%af%a6%e7%8f%be%e9%99%90%e6%b5%81%e9%82%8f%e8%bc%af-zvcMwDLaDl\">2. \u5be6\u73fe\u9650\u6d41\u908f\u8f2f<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Python\u548cRedis\u5be6\u73fe\u9650\u6d41\u7684\u4ee3\u78bc\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 rate_limiter(user_id, limit, period):\n    current_time = int(time.time())\n    key = f\"rate_limit:{user_id}:{current_time \/\/ period}\"\n\n    # \u4f7f\u7528Redis\u7684INCR\u547d\u4ee4\u589e\u52a0\u8a08\u6578\n    current_count = r.incr(key)\n\n    # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\n    if current_count == 1:\n        r.expire(key, period)\n\n    # \u6aa2\u67e5\u662f\u5426\u8d85\u904e\u9650\u5236\n    if current_count &gt; limit:\n        return False  # \u8d85\u904e\u9650\u5236\n    return True  # \u5728\u9650\u5236\u5167\n\n# \u6e2c\u8a66\u9650\u6d41\nuser_id = \"user123\"\nlimit = 5  # \u6bcf\u500b\u6642\u9593\u6bb5\u5141\u8a31\u7684\u8acb\u6c42\u6578\nperiod = 60  # \u6642\u9593\u6bb5\uff08\u79d2\uff09\n\nfor i in range(10):\n    if rate_limiter(user_id, limit, period):\n        print(f\"\u8acb\u6c42 {i+1} \u88ab\u5141\u8a31\")\n    else:\n        print(f\"\u8acb\u6c42 {i+1} \u88ab\u62d2\u7d55\")\n    time.sleep(5)  # \u6a21\u64ec\u8acb\u6c42\u9593\u9694<\/code><\/pre>\n<h2 id=\"%e4%bb%a3%e7%a2%bc%e8%a7%a3%e6%9e%90-zvcMwDLaDl\">\u4ee3\u78bc\u89e3\u6790<\/h2>\n<p>\u5728\u4e0a\u8ff0\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba <code>rate_limiter<\/code> \u7684\u51fd\u6578\uff0c\u8a72\u51fd\u6578\u63a5\u53d7\u7528\u6236ID\u3001\u8acb\u6c42\u9650\u5236\u548c\u6642\u9593\u6bb5\u4f5c\u70ba\u53c3\u6578\u3002\u6bcf\u7576\u7528\u6236\u767c\u9001\u8acb\u6c42\u6642\uff0c\u8a72\u51fd\u6578\u6703\u6aa2\u67e5\u7576\u524d\u6642\u9593\u6bb5\u5167\u7684\u8acb\u6c42\u6578\u91cf\u3002\u5982\u679c\u8acb\u6c42\u6578\u91cf\u8d85\u904e\u9650\u5236\uff0c\u5247\u8fd4\u56de <code>False<\/code>\uff0c\u5426\u5247\u8fd4\u56de <code>True<\/code>\u3002<\/p>\n<p>\u6211\u5011\u4f7f\u7528Redis\u7684 <code>INCR<\/code> \u547d\u4ee4\u4f86\u589e\u52a0\u8a08\u6578\uff0c\u4e26\u5728\u7b2c\u4e00\u6b21\u8acb\u6c42\u6642\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u53ef\u4ee5\u81ea\u52d5\u6e05\u9664\u904e\u671f\u7684\u8a08\u6578\u5668\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-zvcMwDLaDl\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u9650\u6d41\u529f\u80fd\uff0c\u6211\u5011\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u7528\u6236\u7684\u8acb\u6c42\u6578\u91cf\uff0c\u4fdd\u8b77\u7cfb\u7d71\u8cc7\u6e90\u4e0d\u88ab\u6feb\u7528\u3002\u9019\u7a2e\u65b9\u6cd5\u4e0d\u50c5\u7c21\u55ae\u6613\u7528\uff0c\u800c\u4e14\u6027\u80fd\u512a\u8d8a\uff0c\u9069\u5408\u9ad8\u4e26\u767c\u7684\u5834\u666f\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u65b9\u6848\u4f86\u90e8\u7f72Redis\u670d\u52d9\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u7684\u4fe1\u606f\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u9650\u6d41\u529f\u80fd\u7684\u4ee3\u78bc\u5be6\u8e10\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u670d\u52d9\u7684\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-182592","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182592","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=182592"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182592\/revisions"}],"predecessor-version":[{"id":182593,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182592\/revisions\/182593"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}