{"id":128933,"date":"2024-10-26T17:50:48","date_gmt":"2024-10-26T09:50:48","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128933\/"},"modified":"2024-10-26T17:50:49","modified_gmt":"2024-10-26T09:50:49","slug":"redis%e5%af%a6%e7%8f%be%e9%99%90%e6%b5%81%e6%8a%80%e8%a1%93%e5%be%9e%e7%90%86%e8%ab%96%e5%88%b0%e5%af%a6%e8%b8%90%ef%bc%88redis%e9%99%90%e6%b5%81%e5%af%a6%e8%b8%90%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128933\/","title":{"rendered":"Redis\u5be6\u73fe\u9650\u6d41\u6280\u8853\u5f9e\u7406\u8ad6\u5230\u5be6\u8e10\uff08redis\u9650\u6d41\u5be6\u8e10\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e9%99%90%e6%b5%81%e6%8a%80%e8%a1%93%e5%be%9e%e7%90%86%e8%ab%96%e5%88%b0%e5%af%a6%e8%b8%90%ef%bc%88redis%e9%99%90%e6%b5%81%e5%af%a6%e8%b8%90%ef%bc%89-jVvZvNgfps\">Redis\u5be6\u73fe\u9650\u6d41\u6280\u8853\u5f9e\u7406\u8ad6\u5230\u5be6\u8e10\uff08redis\u9650\u6d41\u5be6\u8e10\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u9650\u6d41\u6280\u8853\u5df2\u6210\u70ba\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\uff0c\u9632\u6b62\u670d\u52d9\u904e\u8f09\uff0c\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5be6\u73fe\u9650\u6d41\u7684\u65b9\u6848\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eRedis\u9650\u6d41\u7684\u7406\u8ad6\u57fa\u790e\u53ca\u5176\u5be6\u8e10\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e9%99%90%e6%b5%81%e6%8a%80%e8%a1%93%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-jVvZvNgfps\">\u9650\u6d41\u6280\u8853\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u9650\u6d41\u6280\u8853\u7684\u4e3b\u8981\u76ee\u7684\u662f\u63a7\u5236\u7cfb\u7d71\u7684\u8acb\u6c42\u6d41\u91cf\uff0c\u4ee5\u4fdd\u8b77\u5f8c\u7aef\u670d\u52d9\u4e0d\u88ab\u904e\u8f09\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\u901f\u7387\uff0c\u7576\u8acb\u6c42\u5230\u9054\u6642\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>\u5c07\u8acb\u6c42\u653e\u5165\u6f0f\u6876\u4e2d\uff0c\u6839\u64da\u56fa\u5b9a\u7684\u901f\u7387\u8655\u7406\u8acb\u6c42\uff0c\u8d85\u51fa\u90e8\u5206\u5247\u88ab\u4e1f\u68c4\u3002<\/li>\n<li><strong>\u8a08\u6578\u5668\u7b97\u6cd5\uff1a<\/strong>\u5728\u4e00\u5b9a\u6642\u9593\u5167\u8a08\u7b97\u8acb\u6c42\u6578\u91cf\uff0c\u8d85\u904e\u9650\u5236\u5247\u62d2\u7d55\u8acb\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"redis%e7%9a%84%e9%99%90%e6%b5%81%e5%af%a6%e7%8f%be-jVvZvNgfps\">Redis\u7684\u9650\u6d41\u5be6\u73fe<\/h2>\n<p>Redis\u56e0\u5176\u9ad8\u6548\u7684\u6027\u80fd\u548c\u7c21\u55ae\u7684\u6578\u64da\u7d50\u69cb\uff0c\u6210\u70ba\u5be6\u73fe\u9650\u6d41\u7684\u7406\u60f3\u9078\u64c7\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u57fa\u65bcRedis\u7684\u9650\u6d41\u5be6\u73fe\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e8%a8%88%e6%95%b8%e5%99%a8%e7%ae%97%e6%b3%95-jVvZvNgfps\">1. \u4f7f\u7528\u8a08\u6578\u5668\u7b97\u6cd5<\/h3>\n<p>\u8a08\u6578\u5668\u7b97\u6cd5\u662f\u6700\u7c21\u55ae\u7684\u9650\u6d41\u65b9\u5f0f\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684<code>INCR<\/code>\u547d\u4ee4\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>SET key \"0\" EX 60  \/\/ \u8a2d\u7f6ekey\u7684\u904e\u671f\u6642\u9593\u70ba60\u79d2\nINCR key            \/\/ \u6bcf\u6b21\u8acb\u6c42\u6642\u589e\u52a0\u8a08\u6578\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u7576\u8a08\u6578\u5668\u8d85\u904e\u9810\u8a2d\u7684\u9650\u5236\u6642\uff0c\u53ef\u4ee5\u62d2\u7d55\u5f8c\u7e8c\u8acb\u6c42\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e4%bb%a4%e7%89%8c%e6%a1%b6%e7%ae%97%e6%b3%95-jVvZvNgfps\">2. \u4f7f\u7528\u4ee4\u724c\u6876\u7b97\u6cd5<\/h3>\n<p>\u4ee4\u724c\u6876\u7b97\u6cd5\u7684\u5be6\u73fe\u7a0d\u5fae\u8907\u96dc\u4e00\u4e9b\u3002\u53ef\u4ee5\u4f7f\u7528Redis\u7684<code>WATCH<\/code>\u548c<code>MULTI<\/code>\u547d\u4ee4\u4f86\u5be6\u73fe\u539f\u5b50\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>WATCH tokens_key\ncurrent_tokens = GET tokens_key\nif current_tokens &gt; 0:\n    MULTI\n    DECR tokens_key\n    EXEC\nelse:\n    \/\/ \u62d2\u7d55\u8acb\u6c42\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u9996\u5148\u6aa2\u67e5\u7576\u524d\u7684\u4ee4\u724c\u6578\u91cf\uff0c\u82e5\u6709\u4ee4\u724c\u5247\u6e1b\u5c11\u4e00\u500b\uff0c\u5426\u5247\u62d2\u7d55\u8acb\u6c42\u3002<\/p>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8lua%e8%85%b3%e6%9c%ac-jVvZvNgfps\">3. \u4f7f\u7528Lua\u8173\u672c<\/h3>\n<p>Redis\u652f\u6301Lua\u8173\u672c\uff0c\u53ef\u4ee5\u5c07\u9650\u6d41\u908f\u8f2f\u5c01\u88dd\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u591a\u6b21\u8a2a\u554fRedis\u5e36\u4f86\u7684\u6027\u80fd\u640d\u8017\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Lua\u8173\u672c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>local current = redis.call(\"INCR\", KEYS[1])\nif current == 1 then\n    redis.call(\"EXPIRE\", KEYS[1], ARGV[1])\nend\nreturn current &lt;= ARGV[2]\n<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u6703\u5728\u8acb\u6c42\u5230\u9054\u6642\u589e\u52a0\u8a08\u6578\uff0c\u4e26\u5728\u7b2c\u4e00\u6b21\u8acb\u6c42\u6642\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u6700\u7d42\u8fd4\u56de\u662f\u5426\u5141\u8a31\u8acb\u6c42\u3002<\/p>\n<h2 id=\"%e5%af%a6%e8%b8%90%e4%b8%ad%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-jVvZvNgfps\">\u5be6\u8e10\u4e2d\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u4f7f\u7528Redis\u9032\u884c\u9650\u6d41\u6642\u9700\u8981\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li><strong>\u904e\u671f\u6642\u9593\uff1a<\/strong>\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u907f\u514d\u8a08\u6578\u5668\u9577\u6642\u9593\u4f54\u7528\u5167\u5b58\u3002<\/li>\n<li><strong>\u5206\u4f48\u5f0f\u74b0\u5883\uff1a<\/strong>\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u9700\u78ba\u4fdd\u9650\u6d41\u908f\u8f2f\u7684\u4e00\u81f4\u6027\uff0c\u907f\u514d\u591a\u500b\u5be6\u4f8b\u540c\u6642\u8655\u7406\u8acb\u6c42\u3002<\/li>\n<li><strong>\u6027\u80fd\u6e2c\u8a66\uff1a<\/strong>\u5728\u5be6\u65bd\u9650\u6d41\u4e4b\u524d\uff0c\u9032\u884c\u5145\u5206\u7684\u6027\u80fd\u6e2c\u8a66\uff0c\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u80fd\u5920\u627f\u53d7\u9810\u671f\u7684\u6d41\u91cf\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-jVvZvNgfps\">\u7e3d\u7d50<\/h2>\n<p>Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u70ba\u9650\u6d41\u6280\u8853\u7684\u5be6\u73fe\u63d0\u4f9b\u4e86\u591a\u7a2e\u9748\u6d3b\u7684\u9078\u64c7\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u8a08\u6578\u5668\u3001\u4ee4\u724c\u6876\u9084\u662fLua\u8173\u672c\uff0c\u958b\u767c\u8005\u90fd\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6848\u3002\u900f\u904e\u5408\u7406\u7684\u9650\u6d41\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u4fdd\u8b77\u5f8c\u7aef\u670d\u52d9\uff0c\u63d0\u5347\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">VPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u9650\u6d41\u6280\u8853\u7684\u7406\u8ad6\u8207\u5be6\u8e10\uff0c\u5b78\u7fd2\u5982\u4f55\u6709\u6548\u7ba1\u7406\u6d41\u91cf\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\u6027\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-128933","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128933","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=128933"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128933\/revisions"}],"predecessor-version":[{"id":128934,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128933\/revisions\/128934"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}