{"id":154993,"date":"2024-11-02T18:23:23","date_gmt":"2024-11-02T10:23:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154993\/"},"modified":"2024-11-02T18:23:24","modified_gmt":"2024-11-02T10:23:24","slug":"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%8e%a2%e7%a9%b6-redis-%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%ef%bc%88redis-%e9%81%8e%e6%9c%9f-%e5%a4%9a%e7%b7%9a%e7%a8%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154993\/","title":{"rendered":"\u591a\u7dda\u7a0b\u63a2\u7a76 Redis \u904e\u671f\u7b56\u7565\uff08Redis \u904e\u671f \u591a\u7dda\u7a0b\uff09"},"content":{"rendered":"<h1 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e6%8e%a2%e7%a9%b6-redis-%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%ef%bc%88redis-%e9%81%8e%e6%9c%9f-%e5%a4%9a%e7%b7%9a%e7%a8%8b%ef%bc%89-lYYVdtIfSN\">\u591a\u7dda\u7a0b\u63a2\u7a76 Redis \u904e\u671f\u7b56\u7565\uff08Redis \u904e\u671f \u591a\u7dda\u7a0b\uff09<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u3002\u5176\u904e\u671f\u7b56\u7565\u662f Redis \u7684\u4e00\u500b\u91cd\u8981\u7279\u6027\uff0c\u80fd\u5920\u81ea\u52d5\u7ba1\u7406\u9375\u7684\u751f\u547d\u9031\u671f\uff0c\u5f9e\u800c\u91cb\u653e\u5167\u5b58\u8cc7\u6e90\u3002\u96a8\u8457\u591a\u7dda\u7a0b\u61c9\u7528\u7684\u8208\u8d77\uff0c\u4e86\u89e3 Redis \u7684\u904e\u671f\u7b56\u7565\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\u7684\u8868\u73fe\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5%e6%a6%82%e8%bf%b0-lYYVdtIfSN\">Redis \u7684\u904e\u671f\u7b56\u7565\u6982\u8ff0<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u4e3b\u8981\u7684\u904e\u671f\u7b56\u7565\u4f86\u7ba1\u7406\u9375\u7684\u904e\u671f\uff1a<\/p>\n<ul>\n<li><strong>\u5b9a\u671f\u522a\u9664\uff1a<\/strong>Redis \u6bcf\u9694\u4e00\u6bb5\u6642\u9593\u6703\u96a8\u6a5f\u6aa2\u67e5\u4e00\u90e8\u5206\u9375\uff0c\u522a\u9664\u90a3\u4e9b\u5df2\u7d93\u904e\u671f\u7684\u9375\u3002\u9019\u7a2e\u65b9\u5f0f\u7684\u512a\u9ede\u662f\u80fd\u5920\u6e1b\u5c11\u5167\u5b58\u7684\u4f7f\u7528\uff0c\u4f46\u53ef\u80fd\u6703\u5c0e\u81f4\u904e\u671f\u9375\u5728\u77ed\u6642\u9593\u5167\u4ecd\u7136\u5b58\u5728\u3002<\/li>\n<li><strong>\u60f0\u6027\u522a\u9664\uff1a<\/strong>\u7576\u7528\u6236\u8a2a\u554f\u4e00\u500b\u9375\u6642\uff0cRedis \u6703\u6aa2\u67e5\u8a72\u9375\u662f\u5426\u904e\u671f\u3002\u5982\u679c\u904e\u671f\uff0c\u5247\u522a\u9664\u8a72\u9375\u3002\u9019\u7a2e\u65b9\u5f0f\u80fd\u5920\u5373\u6642\u91cb\u653e\u5167\u5b58\uff0c\u4f46\u5982\u679c\u904e\u671f\u9375\u4e0d\u88ab\u8a2a\u554f\uff0c\u5247\u4e0d\u6703\u88ab\u522a\u9664\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a4%9a%e7%b7%9a%e7%a8%8b%e7%92%b0%e5%a2%83%e4%b8%8b%e7%9a%84-redis-%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5-lYYVdtIfSN\">\u591a\u7dda\u7a0b\u74b0\u5883\u4e0b\u7684 Redis \u904e\u671f\u7b56\u7565<\/h2>\n<p>\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\uff0cRedis \u7684\u904e\u671f\u7b56\u7565\u53ef\u80fd\u6703\u9762\u81e8\u4e00\u4e9b\u6311\u6230\u3002\u7531\u65bc Redis \u672c\u8eab\u662f\u55ae\u7dda\u7a0b\u7684\uff0c\u9019\u610f\u5473\u8457\u6240\u6709\u7684\u8acb\u6c42\u90fd\u6703\u5728\u540c\u4e00\u500b\u7dda\u7a0b\u4e2d\u8655\u7406\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u6578\u64da\u7af6\u722d\u7684\u554f\u984c\u3002\u7136\u800c\uff0c\u7576\u591a\u500b\u7dda\u7a0b\u540c\u6642\u8a2a\u554f Redis \u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li><strong>\u904e\u671f\u9375\u7684\u8a2a\u554f\uff1a<\/strong>\u5982\u679c\u4e00\u500b\u9375\u5728\u591a\u500b\u7dda\u7a0b\u4e2d\u88ab\u8a2a\u554f\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u67d0\u4e9b\u7dda\u7a0b\u5728\u9375\u904e\u671f\u5f8c\u4ecd\u7136\u80fd\u5920\u8b80\u53d6\u5230\u8a72\u9375\u7684\u503c\uff0c\u9019\u6703\u5f71\u97ff\u61c9\u7528\u7684\u908f\u8f2f\u3002<\/li>\n<li><strong>\u6027\u80fd\u74f6\u9838\uff1a<\/strong>\u7531\u65bc Redis \u662f\u55ae\u7dda\u7a0b\u7684\uff0c\u7576\u591a\u500b\u7dda\u7a0b\u540c\u6642\u767c\u9001\u8acb\u6c42\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8%e5%a4%9a%e7%b7%9a%e7%a8%8b%e7%92%b0%e5%a2%83%e4%b8%ad%e6%9c%89%e6%95%88%e7%ae%a1%e7%90%86-redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e7%ad%96%e7%95%a5-lYYVdtIfSN\">\u5982\u4f55\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u6709\u6548\u7ba1\u7406 Redis \u7684\u904e\u671f\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u6709\u6548\u7ba1\u7406 Redis \u7684\u904e\u671f\u7b56\u7565\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 Lua \u8173\u672c\uff1a<\/strong>Redis \u652f\u6301 Lua \u8173\u672c\uff0c\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u5c01\u88dd\u5728\u4e00\u500b\u539f\u5b50\u64cd\u4f5c\u4e2d\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u51fa\u73fe\u7684\u6578\u64da\u7af6\u722d\u554f\u984c\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 Lua \u8173\u672c\u4f86\u6aa2\u67e5\u9375\u662f\u5426\u904e\u671f\u4e26\u57f7\u884c\u76f8\u61c9\u7684\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u7684\u9700\u6c42\uff0c\u5408\u7406\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u907f\u514d\u904e\u671f\u9375\u5728\u9ad8\u4e26\u767c\u60c5\u6cc1\u4e0b\u88ab\u983b\u7e41\u8a2a\u554f\u3002<\/li>\n<li><strong>\u4f7f\u7528 Redis \u96c6\u7fa4\uff1a<\/strong>\u5728\u9ad8\u4e26\u767c\u7684\u5834\u666f\u4e0b\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528 Redis \u96c6\u7fa4\uff0c\u5c07\u8acb\u6c42\u5206\u6563\u5230\u591a\u500b Redis \u5be6\u4f8b\u4e2d\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u548c\u53ef\u7528\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-lYYVdtIfSN\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Lua \u8173\u672c\u6aa2\u67e5\u9375\u662f\u5426\u904e\u671f\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n-- Lua \u8173\u672c\u793a\u4f8b\nlocal key = KEYS[1]\nlocal current_time = tonumber(ARGV[1])\nlocal expire_time = tonumber(redis.call('TTL', key))\n\nif expire_time &gt; 0 then\n    return redis.call('GET', key)\nelse\n    return nil\nend\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u8173\u672c\u9996\u5148\u6aa2\u67e5\u9375\u7684 TTL\uff08\u751f\u5b58\u6642\u9593\uff09\uff0c\u5982\u679c\u9375\u4ecd\u7136\u6709\u6548\uff0c\u5247\u8fd4\u56de\u5176\u503c\uff1b\u5426\u5247\u8fd4\u56de nil\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-lYYVdtIfSN\">\u7e3d\u7d50<\/h2>\n<p>Redis \u7684\u904e\u671f\u7b56\u7565\u5728\u591a\u7dda\u7a0b\u74b0\u5883\u4e2d\u9700\u8981\u7279\u5225\u6ce8\u610f\uff0c\u5408\u7406\u7684\u8a2d\u8a08\u548c\u4f7f\u7528\u53ef\u4ee5\u6709\u6548\u907f\u514d\u6578\u64da\u7af6\u722d\u548c\u6027\u80fd\u74f6\u9838\u3002\u901a\u904e\u4f7f\u7528 Lua \u8173\u672c\u3001\u8a2d\u7f6e\u5408\u7406\u7684\u904e\u671f\u6642\u9593\u4ee5\u53ca\u8003\u616e Redis \u96c6\u7fa4\u7b49\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u591a\u7dda\u7a0b\u61c9\u7528\u4e2d\u66f4\u597d\u5730\u7ba1\u7406 Redis \u7684\u904e\u671f\u7b56\u7565\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u5c07\u662f\u660e\u667a\u7684\u9078\u64c7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22 Redis \u7684\u591a\u7dda\u7a0b\u904e\u671f\u7b56\u7565\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u6578\u64da\u904e\u671f\uff0c\u63d0\u5347\u6027\u80fd\u8207\u8cc7\u6e90\u5229\u7528\u7387\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-154993","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154993","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=154993"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154993\/revisions"}],"predecessor-version":[{"id":154994,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154993\/revisions\/154994"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}