{"id":167685,"date":"2024-11-06T04:12:23","date_gmt":"2024-11-05T20:12:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167685\/"},"modified":"2024-11-06T04:12:24","modified_gmt":"2024-11-05T20:12:24","slug":"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e8%ab%8b%e6%b1%82%e9%87%8f%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90%ef%bc%88redis%e8%ab%8b%e6%b1%82%e9%87%8f%e5%88%86%e6%9e%90%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167685\/","title":{"rendered":"\u5229\u7528Redis\u5be6\u73fe\u8acb\u6c42\u91cf\u6578\u64da\u5206\u6790\uff08redis\u8acb\u6c42\u91cf\u5206\u6790\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e5%af%a6%e7%8f%be%e8%ab%8b%e6%b1%82%e9%87%8f%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90%ef%bc%88redis%e8%ab%8b%e6%b1%82%e9%87%8f%e5%88%86%e6%9e%90%ef%bc%89-GllXTBluwB\">\u5229\u7528Redis\u5be6\u73fe\u8acb\u6c42\u91cf\u6578\u64da\u5206\u6790\uff08redis\u8acb\u6c42\u91cf\u5206\u6790\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0c\u4f01\u696d\u9700\u8981\u6709\u6548\u5730\u5206\u6790\u548c\u8655\u7406\u5927\u91cf\u7684\u8acb\u6c42\u6578\u64da\uff0c\u4ee5\u4fbf\u505a\u51fa\u660e\u667a\u7684\u6c7a\u7b56\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5feb\u901f\u7684\u6578\u64da\u8b80\u53d6\u548c\u5beb\u5165\u80fd\u529b\uff0c\u6210\u70ba\u4e86\u8acb\u6c42\u91cf\u6578\u64da\u5206\u6790\u7684\u7406\u60f3\u9078\u64c7\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u5be6\u73fe\u8acb\u6c42\u91cf\u7684\u6578\u64da\u5206\u6790\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis%e7%b0%a1%e4%bb%8b-GllXTBluwB\">Redis\u7c21\u4ecb<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u5728\u5167\u5b58\u4e2d\u64cd\u4f5c\u6578\u64da\u7684\u7279\u6027\uff0cRedis\u80fd\u5920\u63d0\u4f9b\u6975\u5feb\u7684\u6578\u64da\u5b58\u53d6\u901f\u5ea6\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u9700\u8981\u9ad8\u983b\u7387\u8b80\u5beb\u7684\u61c9\u7528\u5834\u666f\u4e2d\u8868\u73fe\u512a\u7570\u3002<\/p>\n<h2 id=\"%e8%ab%8b%e6%b1%82%e9%87%8f%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90%e7%9a%84%e9%9c%80%e6%b1%82-GllXTBluwB\">\u8acb\u6c42\u91cf\u6578\u64da\u5206\u6790\u7684\u9700\u6c42<\/h2>\n<p>\u96a8\u8457\u4e92\u806f\u7db2\u61c9\u7528\u7684\u666e\u53ca\uff0c\u4f01\u696d\u9762\u81e8\u8457\u65e5\u76ca\u589e\u9577\u7684\u8acb\u6c42\u91cf\u3002\u5c0d\u9019\u4e9b\u8acb\u6c42\u9032\u884c\u5206\u6790\uff0c\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u4e86\u89e3\u7528\u6236\u884c\u70ba\u3001\u512a\u5316\u7cfb\u7d71\u6027\u80fd\u4ee5\u53ca\u5236\u5b9a\u5e02\u5834\u7b56\u7565\u3002\u8acb\u6c42\u91cf\u6578\u64da\u5206\u6790\u7684\u4e3b\u8981\u9700\u6c42\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5be6\u6642\u76e3\u63a7\u8acb\u6c42\u91cf<\/li>\n<li>\u5206\u6790\u9ad8\u5cf0\u6642\u6bb5\u548c\u4f4e\u8c37\u6642\u6bb5<\/li>\n<li>\u8b58\u5225\u7570\u5e38\u8acb\u6c42\u6a21\u5f0f<\/li>\n<li>\u751f\u6210\u5831\u544a\u4ee5\u652f\u6301\u6c7a\u7b56<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e9%80%b2%e8%a1%8c%e8%ab%8b%e6%b1%82%e9%87%8f%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90-GllXTBluwB\">\u4f7f\u7528Redis\u9032\u884c\u8acb\u6c42\u91cf\u6578\u64da\u5206\u6790<\/h2>\n<p>\u5229\u7528Redis\u9032\u884c\u8acb\u6c42\u91cf\u6578\u64da\u5206\u6790\u7684\u57fa\u672c\u601d\u8def\u662f\u5c07\u6bcf\u500b\u8acb\u6c42\u7684\u6578\u64da\u5b58\u5132\u5728Redis\u4e2d\uff0c\u4e26\u4f7f\u7528\u5176\u5f37\u5927\u7684\u6578\u64da\u7d50\u69cb\u548c\u547d\u4ee4\u4f86\u9032\u884c\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u5be6\u73fe\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e8%a8%88%e6%95%b8%e5%99%a8-GllXTBluwB\">1. \u8a08\u6578\u5668<\/h3>\n<p>\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u5b57\u7b26\u4e32\u985e\u578b\u4f86\u5be6\u73fe\u8acb\u6c42\u8a08\u6578\u5668\u3002\u6bcf\u7576\u63a5\u6536\u5230\u4e00\u500b\u8acb\u6c42\u6642\uff0c\u5c07\u8a08\u6578\u5668\u7684\u503c\u52a01\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u589e\u52a0\u8acb\u6c42\u8a08\u6578\nr.incr('request_count')<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u60a8\u53ef\u4ee5\u96a8\u6642\u901a\u904e\u67e5\u8a62`request_count`\u4f86\u7372\u53d6\u7576\u524d\u7684\u8acb\u6c42\u91cf\u3002<\/p>\n<h3 id=\"2-%e6%99%82%e9%96%93%e5%ba%8f%e5%88%97%e6%95%b8%e6%93%9a-GllXTBluwB\">2. \u6642\u9593\u5e8f\u5217\u6578\u64da<\/h3>\n<p>\u70ba\u4e86\u5206\u6790\u8acb\u6c42\u91cf\u7684\u8b8a\u5316\u8da8\u52e2\uff0c\u53ef\u4ee5\u4f7f\u7528Redis\u7684\u5217\u8868\u6216\u6709\u5e8f\u96c6\u5408\u4f86\u5b58\u5132\u6bcf\u500b\u6642\u9593\u6bb5\u7684\u8acb\u6c42\u6578\u91cf\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u6709\u5e8f\u96c6\u5408\u4f86\u8a18\u9304\u6bcf\u5c0f\u6642\u7684\u8acb\u6c42\u91cf\uff1a<\/p>\n<pre><code>import time\n\n# \u7576\u524d\u6642\u9593\u6233\ncurrent_time = int(time.time() \/\/ 3600)\n\n# \u589e\u52a0\u7576\u524d\u5c0f\u6642\u7684\u8acb\u6c42\u8a08\u6578\nr.zincrby('hourly_requests', 1, current_time)<\/code><\/pre>\n<p>\u9019\u6a23\uff0c\u60a8\u53ef\u4ee5\u901a\u904e\u67e5\u8a62`hourly_requests`\u4f86\u7372\u53d6\u6bcf\u5c0f\u6642\u7684\u8acb\u6c42\u91cf\uff0c\u4e26\u9032\u884c\u9032\u4e00\u6b65\u7684\u5206\u6790\u3002<\/p>\n<h3 id=\"3-%e7%95%b0%e5%b8%b8%e6%aa%a2%e6%b8%ac-GllXTBluwB\">3. \u7570\u5e38\u6aa2\u6e2c<\/h3>\n<p>\u5229\u7528Redis\u7684\u54c8\u5e0c\u7d50\u69cb\uff0c\u53ef\u4ee5\u5b58\u5132\u6bcf\u500b\u7528\u6236\u7684\u8acb\u6c42\u8a18\u9304\uff0c\u4e26\u901a\u904e\u5206\u6790\u9019\u4e9b\u6578\u64da\u4f86\u8b58\u5225\u7570\u5e38\u8acb\u6c42\u6a21\u5f0f\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8a18\u9304\u6bcf\u500b\u7528\u6236\u7684\u8acb\u6c42\u6b21\u6578\uff0c\u4e26\u8a2d\u7f6e\u95be\u503c\u4f86\u6aa2\u6e2c\u7570\u5e38\u884c\u70ba\uff1a<\/p>\n<pre><code># \u8a18\u9304\u7528\u6236\u8acb\u6c42\nuser_id = 'user_123'\nr.hincrby('user_requests', user_id, 1)\n\n# \u6aa2\u67e5\u8acb\u6c42\u6b21\u6578\nrequest_count = int(r.hget('user_requests', user_id))\nif request_count &gt; threshold:\n    print(f'User {user_id} has exceeded the request limit!')<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GllXTBluwB\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u9032\u884c\u8acb\u6c42\u91cf\u6578\u64da\u5206\u6790\uff0c\u4e0d\u50c5\u80fd\u5920\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\uff0c\u9084\u80fd\u5920\u652f\u6301\u5be6\u6642\u7684\u6578\u64da\u5206\u6790\u9700\u6c42\u3002\u901a\u904e\u8a08\u6578\u5668\u3001\u6642\u9593\u5e8f\u5217\u6578\u64da\u548c\u7570\u5e38\u6aa2\u6e2c\u7b49\u65b9\u6cd5\uff0c\u4f01\u696d\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u7528\u6236\u884c\u70ba\uff0c\u512a\u5316\u7cfb\u7d71\u6027\u80fd\uff0c\u4e26\u5236\u5b9a\u76f8\u61c9\u7684\u7b56\u7565\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u5982 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a>\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u7684\u6578\u64da\u5206\u6790\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u9032\u884c\u8acb\u6c42\u91cf\u6578\u64da\u5206\u6790\uff0c\u5be6\u6642\u76e3\u63a7\u548c\u512a\u5316\u7cfb\u7d71\u6027\u80fd\uff0c\u63d0\u5347\u61c9\u7528\u6548\u7387\u548c\u7528\u6236\u9ad4\u9a57\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-167685","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167685","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=167685"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167685\/revisions"}],"predecessor-version":[{"id":167686,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167685\/revisions\/167686"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}