{"id":175369,"date":"2024-11-08T05:18:21","date_gmt":"2024-11-07T21:18:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175369\/"},"modified":"2024-11-08T05:18:23","modified_gmt":"2024-11-07T21:18:23","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%99%90%e6%b5%81%e7%ad%96%e7%95%a5%ef%bc%88%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e9%99%90%e6%b5%81%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175369\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u9650\u6d41\u7b56\u7565\uff08\u5982\u4f55\u4f7f\u7528redis\u9650\u6d41\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%99%90%e6%b5%81%e7%ad%96%e7%95%a5%ef%bc%88%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e9%99%90%e6%b5%81%ef%bc%89-KZwVQxIkjE\">\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u9650\u6d41\u7b56\u7565\uff08\u5982\u4f55\u4f7f\u7528redis\u9650\u6d41\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u9650\u6d41\u7b56\u7565\u662f\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\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u9650\u6d41\u7b56\u7565\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u9650\u6d41\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\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-KZwVQxIkjE\">\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\u5c0e\u81f4\u7cfb\u7d71\u904e\u8f09\u3002\u5e38\u898b\u7684\u9650\u6d41\u7b56\u7565\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u56fa\u5b9a\u7a97\u53e3\u9650\u6d41\uff1a<\/strong>\u5728\u56fa\u5b9a\u7684\u6642\u9593\u7a97\u53e3\u5167\u9650\u5236\u8acb\u6c42\u6578\u91cf\u3002<\/li>\n<li><strong>\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\uff1a<\/strong>\u6839\u64da\u6700\u8fd1\u4e00\u6bb5\u6642\u9593\u5167\u7684\u8acb\u6c42\u6578\u91cf\u9032\u884c\u9650\u5236\u3002<\/li>\n<li><strong>\u4ee4\u724c\u6876\u7b97\u6cd5\uff1a<\/strong>\u901a\u904e\u4ee4\u724c\u7684\u751f\u6210\u548c\u6d88\u8017\u4f86\u63a7\u5236\u8acb\u6c42\u7684\u901f\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%ef%bc%9f-KZwVQxIkjE\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5177\u6709\u4ee5\u4e0b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li>\u9ad8\u6548\u7684\u8b80\u5beb\u6027\u80fd\uff0c\u80fd\u5920\u8655\u7406\u5927\u91cf\u7684\u8acb\u6c42\u3002<\/li>\n<li>\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u9748\u6d3b\u6027\u9ad8\u3002<\/li>\n<li>\u5167\u5b58\u5b58\u5132\uff0c\u5ef6\u9072\u4f4e\uff0c\u9069\u5408\u5be6\u6642\u61c9\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e5%9b%ba%e5%ae%9a%e7%aa%97%e5%8f%a3%e9%99%90%e6%b5%81-KZwVQxIkjE\">\u4f7f\u7528Redis\u5be6\u73fe\u56fa\u5b9a\u7a97\u53e3\u9650\u6d41<\/h2>\n<p>\u56fa\u5b9a\u7a97\u53e3\u9650\u6d41\u7684\u57fa\u672c\u601d\u8def\u662f\u8a2d\u7f6e\u4e00\u500b\u6642\u9593\u7a97\u53e3\uff0c\u4e26\u5728\u9019\u500b\u7a97\u53e3\u5167\u9650\u5236\u8acb\u6c42\u7684\u6578\u91cf\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u5be6\u73fe\u56fa\u5b9a\u7a97\u53e3\u9650\u6d41\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\nimport redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef rate_limiter(user_id, limit, window):\n    current_time = int(time.time())\n    window_start = current_time - (current_time % window)\n\n    # \u8a08\u7b97\u7576\u524d\u7a97\u53e3\u7684\u8acb\u6c42\u6578\u91cf\n    requests = r.get(f\"rate_limit:{user_id}:{window_start}\") or 0\n\n    if int(requests) &lt; limit:\n        # \u589e\u52a0\u8acb\u6c42\u8a08\u6578\n        r.incr(f&quot;rate_limit:{user_id}:{window_start}&quot;)\n        r.expire(f&quot;rate_limit:{user_id}:{window_start}&quot;, window)\n        return True\n    else:\n        return False\n\n# \u4f7f\u7528\u793a\u4f8b\nif rate_limiter(&quot;user123&quot;, 5, 60):\n    print(&quot;\u8acb\u6c42\u88ab\u5141\u8a31&quot;)\nelse:\n    print(&quot;\u8acb\u6c42\u88ab\u62d2\u7d55&quot;)\n<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e6%bb%91%e5%8b%95%e7%aa%97%e5%8f%a3%e9%99%90%e6%b5%81-KZwVQxIkjE\">\u4f7f\u7528Redis\u5be6\u73fe\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41<\/h2>\n<p>\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\u76f8\u5c0d\u65bc\u56fa\u5b9a\u7a97\u53e3\u9650\u6d41\u66f4\u70ba\u9748\u6d3b\uff0c\u80fd\u5920\u6839\u64da\u6700\u8fd1\u7684\u8acb\u6c42\u6578\u91cf\u9032\u884c\u9650\u5236\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u5be6\u73fe\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>\nimport redis\nimport time\n\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\ndef sliding_window_rate_limiter(user_id, limit, window):\n    current_time = int(time.time())\n    window_start = current_time - window\n\n    # \u522a\u9664\u904e\u671f\u7684\u8acb\u6c42\u8a18\u9304\n    r.zremrangebyscore(f\"sliding_window:{user_id}\", 0, window_start)\n\n    # \u7372\u53d6\u7576\u524d\u7a97\u53e3\u7684\u8acb\u6c42\u6578\u91cf\n    request_count = r.zcard(f\"sliding_window:{user_id}\")\n\n    if request_count &lt; limit:\n        # \u8a18\u9304\u7576\u524d\u8acb\u6c42\n        r.zadd(f&quot;sliding_window:{user_id}&quot;, {current_time: current_time})\n        r.expire(f&quot;sliding_window:{user_id}&quot;, window)\n        return True\n    else:\n        return False\n\n# \u4f7f\u7528\u793a\u4f8b\nif sliding_window_rate_limiter(&quot;user123&quot;, 5, 60):\n    print(&quot;\u8acb\u6c42\u88ab\u5141\u8a31&quot;)\nelse:\n    print(&quot;\u8acb\u6c42\u88ab\u62d2\u7d55&quot;)\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-KZwVQxIkjE\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528Redis\u5be6\u73fe\u9650\u6d41\u7b56\u7565\u53ef\u4ee5\u6709\u6548\u5730\u63a7\u5236\u7cfb\u7d71\u7684\u8acb\u6c42\u6d41\u91cf\uff0c\u4fdd\u8b77\u61c9\u7528\u7a0b\u5e8f\u7684\u7a69\u5b9a\u6027\u3002\u7121\u8ad6\u662f\u56fa\u5b9a\u7a97\u53e3\u9084\u662f\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\uff0cRedis\u90fd\u80fd\u63d0\u4f9b\u9ad8\u6548\u7684\u652f\u6301\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u9650\u6d41\u7b56\u7565\uff0c\u5f9e\u800c\u63d0\u5347\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\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\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u52a9\u60a8\u8f15\u9b06\u5be6\u73fe\u9ad8\u6548\u7684\u9650\u6d41\u7b56\u7565\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u9650\u6d41\u7b56\u7565\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\uff0c\u9632\u6b62\u904e\u8f09\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\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-175369","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175369","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=175369"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175369\/revisions"}],"predecessor-version":[{"id":175370,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175369\/revisions\/175370"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}