{"id":163809,"date":"2024-11-05T02:36:30","date_gmt":"2024-11-04T18:36:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163809\/"},"modified":"2024-11-05T02:36:31","modified_gmt":"2024-11-04T18:36:31","slug":"%e8%a7%a3%e6%b1%ba%e8%a8%ad%e7%bd%aeredis%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e6%af%8f%e5%b0%8f%e6%99%82%e7%9a%84%e5%95%8f%e9%a1%8c%ef%bc%88redis%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e6%af%8f%e5%b0%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163809\/","title":{"rendered":"\u89e3\u6c7a\u8a2d\u7f6eRedis\u904e\u671f\u6642\u9593\u6bcf\u5c0f\u6642\u7684\u554f\u984c\uff08redis\u904e\u671f\u6642\u9593\u6bcf\u5c0f\u6642\uff09"},"content":{"rendered":"<h1 id=\"%e8%a7%a3%e6%b1%ba%e8%a8%ad%e7%bd%aeredis%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e6%af%8f%e5%b0%8f%e6%99%82%e7%9a%84%e5%95%8f%e9%a1%8c%ef%bc%88redis%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e6%af%8f%e5%b0%8f-clkcxAkRSx\">\u89e3\u6c7a\u8a2d\u7f6eRedis\u904e\u671f\u6642\u9593\u6bcf\u5c0f\u6642\u7684\u554f\u984c\uff08redis\u904e\u671f\u6642\u9593\u6bcf\u5c0f\u6642\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\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\u5f37\u5927\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u958b\u767c\u8005\u7684\u9996\u9078\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528Redis\u6642\uff0c\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\uff0c\u7279\u5225\u662f\u7576\u9700\u8981\u6bcf\u5c0f\u6642\u81ea\u52d5\u6e05\u9664\u904e\u671f\u6578\u64da\u6642\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6709\u6548\u5730\u8a2d\u7f6eRedis\u7684\u904e\u671f\u6642\u9593\uff0c\u4ee5\u4fbf\u6bcf\u5c0f\u6642\u81ea\u52d5\u904e\u671f\u3002<\/p>\n<h2 id=\"redis%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-clkcxAkRSx\">Redis\u904e\u671f\u6642\u9593\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u6bcf\u500b\u9375\u90fd\u53ef\u4ee5\u8a2d\u7f6e\u4e00\u500b\u904e\u671f\u6642\u9593\uff0c\u7576\u904e\u671f\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u7279\u6027\u5c0d\u65bc\u7ba1\u7406\u7de9\u5b58\u6578\u64da\u975e\u5e38\u6709\u7528\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u9632\u6b62\u6578\u64da\u904e\u671f\u5f8c\u4ecd\u7136\u4f54\u7528\u5167\u5b58\u3002Redis\u63d0\u4f9b\u4e86\u5169\u7a2e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u7684\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><code>EXPIRE<\/code>\uff1a\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002<\/li>\n<li><code>PEXPIRE<\/code>\uff1a\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff08\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\uff09\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%af%8f%e5%b0%8f%e6%99%82%e9%81%8e%e6%9c%9f%e7%9a%84%e9%9c%80%e6%b1%82-clkcxAkRSx\">\u6bcf\u5c0f\u6642\u904e\u671f\u7684\u9700\u6c42<\/h2>\n<p>\u5728\u67d0\u4e9b\u61c9\u7528\u5834\u666f\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u6bcf\u5c0f\u6642\u81ea\u52d5\u6e05\u9664\u67d0\u4e9b\u6578\u64da\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u67d0\u4e9b\u81e8\u6642\u6578\u64da\u6216\u6703\u8a71\u4fe1\u606f\uff0c\u8a2d\u7f6e\u6bcf\u5c0f\u6642\u904e\u671f\u53ef\u4ee5\u6709\u6548\u91cb\u653e\u5167\u5b58\u4e26\u4fdd\u6301\u6578\u64da\u7684\u65b0\u9bae\u5ea6\u3002\u8981\u5be6\u73fe\u9019\u4e00\u9700\u6c42\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"%e6%96%b9%e6%b3%95%e4%b8%80%ef%bc%9a%e4%bd%bf%e7%94%a8expire%e5%91%bd%e4%bb%a4-clkcxAkRSx\">\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528EXPIRE\u547d\u4ee4<\/h3>\n<p>\u6700\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528Redis\u7684<code>EXPIRE<\/code>\u547d\u4ee4\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u9375\u540d\u70ba<code>session:12345<\/code>\uff0c\u6211\u5011\u5e0c\u671b\u5b83\u5728\u4e00\u5c0f\u6642\u5f8c\u904e\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre><code>EXPIRE session:12345 3600<\/code><\/pre>\n<p>\u9019\u689d\u547d\u4ee4\u5c07\u8a2d\u7f6e<code>session:12345<\/code>\u7684\u904e\u671f\u6642\u9593\u70ba3600\u79d2\uff08\u53731\u5c0f\u6642\uff09\u3002<\/p>\n<h3 id=\"%e6%96%b9%e6%b3%95%e4%ba%8c%ef%bc%9a%e4%bd%bf%e7%94%a8%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99-clkcxAkRSx\">\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528\u5b9a\u6642\u4efb\u52d9<\/h3>\n<p>\u5982\u679c\u9700\u8981\u5b9a\u671f\u66f4\u65b0\u904e\u671f\u6642\u9593\uff0c\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u5b9a\u6642\u4efb\u52d9\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4f7f\u7528\u8a08\u5283\u4efb\u52d9\uff08\u5982cron\uff09\u4f86\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u6bcf\u5c0f\u6642\u81ea\u52d5\u66f4\u65b0\u67d0\u500b\u9375\u7684\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>0 * * * * redis-cli EXPIRE session:12345 3600<\/code><\/pre>\n<p>\u9019\u689dcron\u4efb\u52d9\u5c07\u5728\u6bcf\u5c0f\u6642\u7684\u6574\u9ede\u57f7\u884c\uff0c\u4e26\u5c07<code>session:12345<\/code>\u7684\u904e\u671f\u6642\u9593\u91cd\u7f6e\u70ba3600\u79d2\u3002<\/p>\n<h3 id=\"%e6%96%b9%e6%b3%95%e4%b8%89%ef%bc%9a%e4%bd%bf%e7%94%a8lua%e8%85%b3%e6%9c%ac-clkcxAkRSx\">\u65b9\u6cd5\u4e09\uff1a\u4f7f\u7528Lua\u8173\u672c<\/h3>\n<p>Redis\u652f\u6301Lua\u8173\u672c\uff0c\u53ef\u4ee5\u7528\u4f86\u5be6\u73fe\u66f4\u8907\u96dc\u7684\u908f\u8f2f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8bLua\u8173\u672c\uff0c\u8a72\u8173\u672c\u5c07\u6aa2\u67e5\u67d0\u500b\u9375\u662f\u5426\u5b58\u5728\uff0c\u5982\u679c\u5b58\u5728\u5247\u91cd\u7f6e\u5176\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>\nlocal key = KEYS[1]\nlocal ttl = ARGV[1]\nif redis.call('EXISTS', key) == 1 then\n    redis.call('EXPIRE', key, ttl)\nend\n<\/code><\/pre>\n<p>\u9019\u6bb5\u8173\u672c\u53ef\u4ee5\u901a\u904eRedis\u7684<code>EVAL<\/code>\u547d\u4ee4\u57f7\u884c\uff0c\u4e26\u53ef\u4ee5\u8a2d\u7f6e\u6bcf\u5c0f\u6642\u904b\u884c\u4e00\u6b21\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-clkcxAkRSx\">\u7e3d\u7d50<\/h2>\n<p>\u8a2d\u7f6eRedis\u7684\u904e\u671f\u6642\u9593\u4ee5\u5be6\u73fe\u6bcf\u5c0f\u6642\u81ea\u52d5\u6e05\u9664\u6578\u64da\u662f\u4e00\u500b\u6709\u6548\u7684\u7ba1\u7406\u7b56\u7565\u3002\u7121\u8ad6\u662f\u4f7f\u7528<code>EXPIRE<\/code>\u547d\u4ee4\u3001\u5b9a\u6642\u4efb\u52d9\u9084\u662fLua\u8173\u672c\uff0c\u958b\u767c\u8005\u90fd\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\u3002\u9019\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u80fd\u6709\u6548\u7ba1\u7406\u5167\u5b58\u4f7f\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u548c\u9748\u6d3b\u7684\u74b0\u5883\u4f86\u90e8\u7f72Redis\u548c\u5176\u4ed6\u61c9\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6c7aRedis\u904e\u671f\u6642\u9593\u6bcf\u5c0f\u6642\u7684\u554f\u984c\uff0c\u63d0\u4f9b\u6709\u6548\u7684\u8a2d\u7f6e\u65b9\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u78ba\u4fdd\u6578\u64da\u7ba1\u7406\u7684\u9ad8\u6548\u6027\u8207\u6e96\u78ba\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-163809","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163809","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=163809"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163809\/revisions"}],"predecessor-version":[{"id":163810,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163809\/revisions\/163810"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163809"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163809"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163809"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}