{"id":128695,"date":"2024-10-26T16:03:59","date_gmt":"2024-10-26T08:03:59","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128695\/"},"modified":"2024-10-26T16:03:59","modified_gmt":"2024-10-26T08:03:59","slug":"redis%e5%af%a6%e7%8f%be%e7%b2%be%e7%a2%ba%e7%9a%84%e6%b5%81%e9%87%8f%e9%99%90%e5%88%b6%ef%bc%88redis%e7%b2%be%e7%a2%ba%e9%99%90%e6%b5%81%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128695\/","title":{"rendered":"Redis\u5be6\u73fe\u7cbe\u78ba\u7684\u6d41\u91cf\u9650\u5236\uff08redis\u7cbe\u78ba\u9650\u6d41\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e7%b2%be%e7%a2%ba%e7%9a%84%e6%b5%81%e9%87%8f%e9%99%90%e5%88%b6%ef%bc%88redis%e7%b2%be%e7%a2%ba%e9%99%90%e6%b5%81%ef%bc%89-rdzDPjcCLF\">Redis\u5be6\u73fe\u7cbe\u78ba\u7684\u6d41\u91cf\u9650\u5236\uff08redis\u7cbe\u78ba\u9650\u6d41\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u6d41\u91cf\u9650\u5236\u662f\u4e00\u9805\u81f3\u95dc\u91cd\u8981\u7684\u6280\u8853\uff0c\u5c24\u5176\u662f\u5728\u9ad8\u6d41\u91cf\u7684\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u6d41\u91cf\u9650\u5236\u4e0d\u50c5\u53ef\u4ee5\u4fdd\u8b77\u670d\u52d9\u5668\u514d\u53d7\u904e\u8f09\uff0c\u9084\u53ef\u4ee5\u78ba\u4fdd\u516c\u5e73\u4f7f\u7528\u8cc7\u6e90\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u7cbe\u78ba\u7684\u6d41\u91cf\u9650\u5236\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u4f86\u5be6\u73fe\u7cbe\u78ba\u7684\u6d41\u91cf\u9650\u5236\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e6%b5%81%e9%87%8f%e9%99%90%e5%88%b6%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-rdzDPjcCLF\">\u6d41\u91cf\u9650\u5236\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u6d41\u91cf\u9650\u5236\u662f\u6307\u5c0d\u7528\u6236\u5728\u7279\u5b9a\u6642\u9593\u5167\u7684\u8acb\u6c42\u6578\u91cf\u9032\u884c\u9650\u5236\u3002\u9019\u53ef\u4ee5\u9632\u6b62\u67d0\u4e9b\u7528\u6236\u904e\u5ea6\u4f7f\u7528\u8cc7\u6e90\uff0c\u5f9e\u800c\u5f71\u97ff\u5176\u4ed6\u7528\u6236\u7684\u9ad4\u9a57\u3002\u6d41\u91cf\u9650\u5236\u901a\u5e38\u6709\u5e7e\u7a2e\u7b56\u7565\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u56fa\u5b9a\u7a97\u53e3\u9650\u6d41\uff1a\u5728\u56fa\u5b9a\u7684\u6642\u9593\u7a97\u53e3\u5167\u9650\u5236\u8acb\u6c42\u6578\u91cf\u3002<\/li>\n<li>\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\uff1a\u6839\u64da\u8acb\u6c42\u7684\u6642\u9593\u6233\u52d5\u614b\u8a08\u7b97\u8acb\u6c42\u6578\u91cf\u3002<\/li>\n<li>\u4ee4\u724c\u6876\u7b97\u6cd5\uff1a\u6839\u64da\u4ee4\u724c\u7684\u751f\u6210\u901f\u7387\u4f86\u63a7\u5236\u8acb\u6c42\u7684\u8655\u7406\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-rdzDPjcCLF\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\uff1f<\/h2>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6027\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5177\u6709\u4ee5\u4e0b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li>\u5feb\u901f\uff1aRedis\u7684\u8b80\u5beb\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u9069\u5408\u9ad8\u983b\u8acb\u6c42\u7684\u5834\u666f\u3002<\/li>\n<li>\u652f\u6301\u6578\u64da\u7d50\u69cb\uff1aRedis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u9019\u4f7f\u5f97\u5be6\u73fe\u6d41\u91cf\u9650\u5236\u8b8a\u5f97\u9748\u6d3b\u3002<\/li>\n<li>\u6301\u4e45\u5316\uff1aRedis\u63d0\u4f9b\u4e86\u6301\u4e45\u5316\u9078\u9805\uff0c\u53ef\u4ee5\u5728\u91cd\u555f\u5f8c\u4fdd\u7559\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e6%b5%81%e9%87%8f%e9%99%90%e5%88%b6-rdzDPjcCLF\">\u4f7f\u7528Redis\u5be6\u73fe\u6d41\u91cf\u9650\u5236<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u5be6\u73fe\u56fa\u5b9a\u7a97\u53e3\u9650\u6d41\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%ae%e8%ab%8b%e6%b1%82%e8%a8%88%e6%95%b8%e5%99%a8-rdzDPjcCLF\">1. \u8a2d\u7f6e\u8acb\u6c42\u8a08\u6578\u5668<\/h3>\n<p>\u6bcf\u7576\u7528\u6236\u767c\u9001\u8acb\u6c42\u6642\uff0c\u6211\u5011\u9700\u8981\u5728Redis\u4e2d\u589e\u52a0\u4e00\u500b\u8a08\u6578\u5668\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684<code>INCR<\/code>\u547d\u4ee4\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre><code>INCR user:123:requests<\/code><\/pre>\n<p>\u9019\u88e1\uff0c<code>user:123:requests<\/code>\u662f\u7528\u6236\u7684\u8acb\u6c42\u8a08\u6578\u5668\uff0c<code>123<\/code>\u662f\u7528\u6236\u7684ID\u3002<\/p>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-rdzDPjcCLF\">2. \u8a2d\u7f6e\u904e\u671f\u6642\u9593<\/h3>\n<p>\u70ba\u4e86\u5be6\u73fe\u56fa\u5b9a\u7a97\u53e3\u9650\u6d41\uff0c\u6211\u5011\u9700\u8981\u5728\u8a08\u6578\u5668\u4e0a\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u5e0c\u671b\u5728\u6bcf\u5206\u9418\u5167\u9650\u5236\u8acb\u6c42\u6578\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528<code>EXPIRE<\/code>\u547d\u4ee4\uff1a<\/p>\n<pre><code>EXPIRE user:123:requests 60<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e8%ab%8b%e6%b1%82%e6%95%b8%e9%87%8f-rdzDPjcCLF\">3. \u6aa2\u67e5\u8acb\u6c42\u6578\u91cf<\/h3>\n<p>\u5728\u6bcf\u6b21\u8acb\u6c42\u6642\uff0c\u6211\u5011\u9700\u8981\u6aa2\u67e5\u7576\u524d\u7684\u8acb\u6c42\u6578\u91cf\u662f\u5426\u8d85\u904e\u9650\u5236\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u5e0c\u671b\u6bcf\u5206\u9418\u9650\u523610\u500b\u8acb\u6c42\uff0c\u53ef\u4ee5\u9019\u6a23\u6aa2\u67e5\uff1a<\/p>\n<pre><code>if (GET user:123:requests &gt; 10) {\n    \/\/ \u62d2\u7d55\u8acb\u6c42\n} else {\n    \/\/ \u8655\u7406\u8acb\u6c42\n}<\/code><\/pre>\n<h2 id=\"%e6%bb%91%e5%8b%95%e7%aa%97%e5%8f%a3%e9%99%90%e6%b5%81%e7%9a%84%e5%af%a6%e7%8f%be-rdzDPjcCLF\">\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\u7684\u5be6\u73fe<\/h2>\n<p>\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\u76f8\u5c0d\u65bc\u56fa\u5b9a\u7a97\u53e3\u9650\u6d41\u66f4\u70ba\u7cbe\u78ba\u3002\u5b83\u901a\u904e\u8a18\u9304\u6bcf\u500b\u8acb\u6c42\u7684\u6642\u9593\u6233\u4f86\u52d5\u614b\u8a08\u7b97\u8acb\u6c42\u6578\u91cf\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e5%88%97%e8%a1%a8%e5%ad%98%e5%84%b2%e8%ab%8b%e6%b1%82%e6%99%82%e9%96%93%e6%88%b3-rdzDPjcCLF\">1. \u4f7f\u7528\u5217\u8868\u5b58\u5132\u8acb\u6c42\u6642\u9593\u6233<\/h3>\n<p>\u6bcf\u7576\u7528\u6236\u767c\u9001\u8acb\u6c42\u6642\uff0c\u6211\u5011\u5c07\u7576\u524d\u7684\u6642\u9593\u6233\u6dfb\u52a0\u5230Redis\u7684\u5217\u8868\u4e2d\uff1a<\/p>\n<pre><code>LPUSH user:123:timestamps [current_timestamp]<\/code><\/pre>\n<h3 id=\"2-%e5%88%aa%e9%99%a4%e9%81%8e%e6%9c%9f%e7%9a%84%e6%99%82%e9%96%93%e6%88%b3-rdzDPjcCLF\">2. \u522a\u9664\u904e\u671f\u7684\u6642\u9593\u6233<\/h3>\n<p>\u5728\u6bcf\u6b21\u8acb\u6c42\u6642\uff0c\u6211\u5011\u9700\u8981\u522a\u9664\u8d85\u904e\u9650\u5236\u6642\u9593\u7684\u6642\u9593\u6233\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u5e0c\u671b\u5728\u904e\u53bb60\u79d2\u5167\u9650\u5236\u8acb\u6c42\u6578\u91cf\uff0c\u53ef\u4ee5\u9019\u6a23\u505a\uff1a<\/p>\n<pre><code>ZREMRANGEBYSCORE user:123:timestamps 0 [current_timestamp - 60]<\/code><\/pre>\n<h3 id=\"3-%e6%aa%a2%e6%9f%a5%e8%ab%8b%e6%b1%82%e6%95%b8%e9%87%8f-rdzDPjcCLF\">3. \u6aa2\u67e5\u8acb\u6c42\u6578\u91cf<\/h3>\n<p>\u6700\u5f8c\uff0c\u6211\u5011\u6aa2\u67e5\u5217\u8868\u7684\u9577\u5ea6\u4f86\u78ba\u5b9a\u8acb\u6c42\u6578\u91cf\uff1a<\/p>\n<pre><code>if (LLEN user:123:timestamps &gt; 10) {\n    \/\/ \u62d2\u7d55\u8acb\u6c42\n} else {\n    \/\/ \u8655\u7406\u8acb\u6c42\n}<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-rdzDPjcCLF\">\u7e3d\u7d50<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u9748\u6d3b\u4e14\u9ad8\u6548\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u7cbe\u78ba\u7684\u6d41\u91cf\u9650\u5236\u3002\u7121\u8ad6\u662f\u56fa\u5b9a\u7a97\u53e3\u9084\u662f\u6ed1\u52d5\u7a97\u53e3\u9650\u6d41\uff0cRedis\u90fd\u80fd\u5920\u8f15\u9b06\u61c9\u5c0d\u9ad8\u983b\u8acb\u6c42\u7684\u6311\u6230\u3002\u901a\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u5be6\u73fe\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u4fdd\u8b77\u61c9\u7528\u7a0b\u5e8f\uff0c\u78ba\u4fdd\u8cc7\u6e90\u7684\u516c\u5e73\u4f7f\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u4f86\u90e8\u7f72\u60a8\u7684Redis\u670d\u52d9\uff0c\u9019\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u60a8\u7684\u61c9\u7528\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u7cbe\u78ba\u7684\u6d41\u91cf\u9650\u5236\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u8cc7\u6e90\u6709\u6548\u7ba1\u7406\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-128695","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128695","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=128695"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128695\/revisions"}],"predecessor-version":[{"id":128696,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128695\/revisions\/128696"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128695"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128695"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128695"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}