{"id":153467,"date":"2024-11-02T07:41:21","date_gmt":"2024-11-01T23:41:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153467\/"},"modified":"2024-11-02T07:41:22","modified_gmt":"2024-11-01T23:41:22","slug":"%e9%8c%af%e9%81%8e%e4%b8%80%e7%a7%92%e5%b0%b1%e6%90%b6%e4%b8%8d%e5%88%b0-redis-%e7%a7%92%e6%ae%ba%e9%99%90%e6%b5%81%e5%af%a6%e4%be%8b%ef%bc%88redis-%e9%99%90%e5%88%b6%e6%90%b6%e8%b3%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153467\/","title":{"rendered":"\u932f\u904e\u4e00\u79d2\u5c31\u6436\u4e0d\u5230 Redis \u79d2\u6bba\u9650\u6d41\u5be6\u4f8b\uff08Redis \u9650\u5236\u6436\u8cfc\uff09"},"content":{"rendered":"<h1 id=\"%e9%8c%af%e9%81%8e%e4%b8%80%e7%a7%92%e5%b0%b1%e6%90%b6%e4%b8%8d%e5%88%b0-redis-%e7%a7%92%e6%ae%ba%e9%99%90%e6%b5%81%e5%af%a6%e4%be%8b%ef%bc%88redis-%e9%99%90%e5%88%b6%e6%90%b6%e8%b3%bc%ef%bc%89-ckzbRHrecX\">\u932f\u904e\u4e00\u79d2\u5c31\u6436\u4e0d\u5230 Redis \u79d2\u6bba\u9650\u6d41\u5be6\u4f8b\uff08Redis \u9650\u5236\u6436\u8cfc\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u96fb\u5b50\u5546\u52d9\u74b0\u5883\u4e2d\uff0c\u79d2\u6bba\u6d3b\u52d5\u5df2\u6210\u70ba\u5438\u5f15\u9867\u5ba2\u7684\u91cd\u8981\u624b\u6bb5\u3002\u9019\u985e\u6d3b\u52d5\u901a\u5e38\u6703\u5728\u77ed\u6642\u9593\u5167\u63d0\u4f9b\u9650\u91cf\u5546\u54c1\uff0c\u5438\u5f15\u5927\u91cf\u7528\u6236\u53c3\u8207\u3002\u7136\u800c\uff0c\u96a8\u8457\u53c3\u8207\u4eba\u6578\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u6d41\u91cf\u548c\u8cc7\u6e90\u6210\u70ba\u4e86\u4e00\u500b\u6311\u6230\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u9650\u6d41\u529f\u80fd\uff0c\u5e6b\u52a9\u5546\u5bb6\u5728\u79d2\u6bba\u6d3b\u52d5\u4e2d\u6709\u6548\u63a7\u5236\u7528\u6236\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e9%99%90%e6%b5%81%ef%bc%9f-ckzbRHrecX\">\u4ec0\u9ebc\u662f Redis \u9650\u6d41\uff1f<\/h2>\n<p>Redis \u9650\u6d41\u662f\u6307\u901a\u904e Redis \u6578\u64da\u5eab\u4f86\u63a7\u5236\u7528\u6236\u8acb\u6c42\u7684\u983b\u7387\uff0c\u4ee5\u9632\u6b62\u7cfb\u7d71\u904e\u8f09\u3002\u9019\u7a2e\u6280\u8853\u7279\u5225\u9069\u5408\u65bc\u79d2\u6bba\u6d3b\u52d5\uff0c\u56e0\u70ba\u5728\u77ed\u6642\u9593\u5167\u6703\u6709\u5927\u91cf\u7528\u6236\u540c\u6642\u8acb\u6c42\u76f8\u540c\u7684\u8cc7\u6e90\u3002\u901a\u904e\u9650\u6d41\uff0c\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n<h2 id=\"redis-%e9%99%90%e6%b5%81%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%8e%9f%e7%90%86-ckzbRHrecX\">Redis \u9650\u6d41\u7684\u57fa\u672c\u539f\u7406<\/h2>\n<p>Redis \u9650\u6d41\u7684\u57fa\u672c\u539f\u7406\u662f\u4f7f\u7528\u4ee4\u724c\u6876\u6216\u6f0f\u6876\u7b97\u6cd5\u4f86\u63a7\u5236\u8acb\u6c42\u7684\u901f\u7387\u3002\u4ee5\u4e0b\u662f\u9019\u5169\u7a2e\u7b97\u6cd5\u7684\u7c21\u8981\u4ecb\u7d39\uff1a<\/p>\n<ul>\n<li><strong>\u4ee4\u724c\u6876\u7b97\u6cd5\uff1a<\/strong>\u5728\u9019\u7a2e\u7b97\u6cd5\u4e2d\uff0c\u8acb\u6c42\u9700\u8981\u6d88\u8017\u4e00\u500b\u4ee4\u724c\u3002\u4ee4\u724c\u4ee5\u56fa\u5b9a\u7684\u901f\u7387\u751f\u6210\uff0c\u7576\u6876\u6eff\u6642\uff0c\u8d85\u904e\u7684\u4ee4\u724c\u5c07\u88ab\u4e1f\u68c4\u3002\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u8acb\u6c42\u7684\u901f\u7387\u4e0d\u6703\u8d85\u904e\u9810\u8a2d\u7684\u4e0a\u9650\u3002<\/li>\n<li><strong>\u6f0f\u6876\u7b97\u6cd5\uff1a<\/strong>\u6f0f\u6876\u7b97\u6cd5\u5247\u662f\u5c07\u8acb\u6c42\u653e\u5165\u4e00\u500b\u6876\u4e2d\uff0c\u6876\u4ee5\u56fa\u5b9a\u7684\u901f\u7387\u6f0f\u51fa\u8acb\u6c42\u3002\u7576\u6876\u6eff\u6642\uff0c\u65b0\u7684\u8acb\u6c42\u5c07\u88ab\u4e1f\u68c4\u3002\u9019\u7a2e\u65b9\u6cd5\u9069\u5408\u65bc\u9700\u8981\u5e73\u6ed1\u6d41\u91cf\u7684\u5834\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e9%99%90%e6%b5%81%e7%9a%84%e5%af%a6%e7%8f%be-ckzbRHrecX\">Redis \u9650\u6d41\u7684\u5be6\u73fe<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Redis \u5be6\u73fe\u9650\u6d41\u7684\u7c21\u55ae\u793a\u4f8b\uff0c\u9019\u88e1\u4f7f\u7528\u7684\u662f\u4ee4\u724c\u6876\u7b97\u6cd5\uff1a<\/p>\n<pre><code>\nimport redis\nimport time\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8a2d\u5b9a\u53c3\u6578\nbucket_capacity = 10  # \u6876\u7684\u5bb9\u91cf\ntoken_rate = 1        # \u4ee4\u724c\u751f\u6210\u901f\u7387\uff08\u6bcf\u79d2\u751f\u62101\u500b\u4ee4\u724c\uff09\n\ndef acquire_token(user_id):\n    current_time = int(time.time())\n    # \u8a08\u7b97\u7576\u524d\u6642\u9593\u7684\u4ee4\u724c\u6578\u91cf\n    tokens = r.get(user_id) or 0\n    tokens = min(bucket_capacity, int(tokens) + (current_time - int(r.get(user_id + \"_timestamp\") or current_time)) * token_rate)\n    \n    if tokens &gt; 0:\n        r.set(user_id, tokens - 1)\n        r.set(user_id + \"_timestamp\", current_time)\n        return True\n    else:\n        return False\n\n# \u4f7f\u7528\u793a\u4f8b\nif acquire_token(\"user_123\"):\n    print(\"\u8acb\u6c42\u6210\u529f\")\nelse:\n    print(\"\u8acb\u6c42\u88ab\u9650\u6d41\")\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 Redis \u4f86\u5b58\u5132\u6bcf\u500b\u7528\u6236\u7684\u4ee4\u724c\u6578\u91cf\u548c\u6642\u9593\u6233\u3002\u7576\u7528\u6236\u767c\u9001\u8acb\u6c42\u6642\uff0c\u7cfb\u7d71\u6703\u6aa2\u67e5\u7528\u6236\u7684\u4ee4\u724c\u6578\u91cf\uff0c\u5982\u679c\u6709\u4ee4\u724c\u5247\u5141\u8a31\u8acb\u6c42\uff0c\u5426\u5247\u62d2\u7d55\u3002<\/p>\n<h2 id=\"redis-%e9%99%90%e6%b5%81%e7%9a%84%e5%84%aa%e5%8b%a2-ckzbRHrecX\">Redis \u9650\u6d41\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528 Redis \u9032\u884c\u9650\u6d41\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis \u662f\u4e00\u500b\u5167\u5b58\u6578\u64da\u5eab\uff0c\u8b80\u5beb\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u80fd\u5920\u652f\u6301\u9ad8\u4e26\u767c\u7684\u8acb\u6c42\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86\u7c21\u55ae\u7684 API\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u9650\u6d41\u529f\u80fd\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u53ef\u4ee5\u6839\u64da\u696d\u52d9\u9700\u6c42\u8abf\u6574\u9650\u6d41\u7b56\u7565\uff0c\u4f8b\u5982\u8abf\u6574\u4ee4\u724c\u751f\u6210\u901f\u7387\u6216\u6876\u7684\u5bb9\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-ckzbRHrecX\">\u7d50\u8ad6<\/h2>\n<p>\u5728\u96fb\u5b50\u5546\u52d9\u7684\u79d2\u6bba\u6d3b\u52d5\u4e2d\uff0c\u4f7f\u7528 Redis \u9032\u884c\u9650\u6d41\u662f\u4e00\u7a2e\u6709\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u901a\u904e\u5408\u7406\u7684\u9650\u6d41\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u7528\u6236\u8acb\u6c42\uff0c\u4fdd\u8b49\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002\u96a8\u8457\u6280\u8853\u7684\u767c\u5c55\uff0cRedis \u7684\u61c9\u7528\u5834\u666f\u5c07\u6703\u66f4\u52a0\u5ee3\u6cdb\uff0c\u6210\u70ba\u4f01\u696d\u5728\u9ad8\u4e26\u767c\u5834\u666f\u4e0b\u7684\u91cd\u8981\u5de5\u5177\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u696d\u52d9\u4e2d\u5be6\u73fe\u9ad8\u6548\u7684\u9650\u6d41\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u642d\u5efa\u60a8\u7684 Redis \u74b0\u5883\uff0c\u5f9e\u800c\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5229\u7528 Redis \u5be6\u73fe\u79d2\u6bba\u9650\u6d41\uff0c\u907f\u514d\u932f\u904e\u6436\u8cfc\u6a5f\u6703\uff0c\u63d0\u5347\u8cfc\u7269\u6548\u7387\uff0c\u78ba\u4fdd\u6bcf\u4e00\u79d2\u90fd\u4e0d\u6d6a\u8cbb\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-153467","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153467","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=153467"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153467\/revisions"}],"predecessor-version":[{"id":153468,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153467\/revisions\/153468"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}