{"id":152573,"date":"2024-11-02T00:14:21","date_gmt":"2024-11-01T16:14:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152573\/"},"modified":"2024-11-02T00:14:22","modified_gmt":"2024-11-01T16:14:22","slug":"%e6%9f%a5%e7%9c%8b-redis-%e4%b8%ad-key-%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%ef%bc%88redis-%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e6%9f%a5%e7%9c%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152573\/","title":{"rendered":"\u67e5\u770b Redis \u4e2d Key \u7684\u904e\u671f\u6642\u9593\uff08Redis \u904e\u671f\u6642\u9593\u67e5\u770b\uff09"},"content":{"rendered":"<h1 id=\"%e6%9f%a5%e7%9c%8b-redis-%e4%b8%ad-key-%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%ef%bc%88redis-%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e6%9f%a5%e7%9c%8b%ef%bc%89-kqwuwPISIc\">\u67e5\u770b Redis \u4e2d Key \u7684\u904e\u671f\u6642\u9593\uff08Redis \u904e\u671f\u6642\u9593\u67e5\u770b\uff09<\/h1>\n<p>Redis \u662f\u4e00\u500b\u9ad8\u6548\u80fd\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6578\u64da\u5eab\u548c\u6d88\u606f\u4ee3\u7406\u7b49\u5834\u666f\u3002\u5176\u652f\u6301\u7684\u904e\u671f\u6642\u9593\u529f\u80fd\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u8a2d\u7f6e\u9375\u7684\u6709\u6548\u671f\u9650\uff0c\u5f9e\u800c\u81ea\u52d5\u522a\u9664\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u67e5\u770b Redis \u4e2d\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u5176\u6578\u64da\u3002<\/p>\n<h2 id=\"redis-%e4%b8%ad%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e8%a8%ad%e7%bd%ae-kqwuwPISIc\">Redis \u4e2d\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\u3002\u9019\u500b\u547d\u4ee4\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff1a\u9375\u540d\u548c\u904e\u671f\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u5c07\u9375 <code>mykey<\/code> \u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u70ba 60 \u79d2\uff1a<\/p>\n<pre><code>EXPIRE mykey 60<\/code><\/pre>\n<p>\u9019\u610f\u5473\u8457\u5728 60 \u79d2\u5f8c\uff0c<code>mykey<\/code> \u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9664\u4e86 <code>EXPIRE<\/code> \u547d\u4ee4\uff0cRedis \u9084\u63d0\u4f9b\u4e86\u5176\u4ed6\u76f8\u95dc\u547d\u4ee4\uff0c\u5982 <code>PEXPIRE<\/code>\uff08\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff09\u548c <code>EXPIREAT<\/code>\uff08\u8a2d\u7f6e\u5177\u9ad4\u7684\u904e\u671f\u6642\u9593\u6233\uff09\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e7%9c%8b%e9%8d%b5%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-kqwuwPISIc\">\u67e5\u770b\u9375\u7684\u904e\u671f\u6642\u9593<\/h2>\n<p>\u8981\u67e5\u770b Redis \u4e2d\u67d0\u500b\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>TTL<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u6703\u8fd4\u56de\u6307\u5b9a\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u5982\u679c\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de -2\uff1b\u5982\u679c\u9375\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5247\u8fd4\u56de -1\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>TTL<\/code> \u547d\u4ee4\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>TTL mykey<\/code><\/pre>\n<p>\u5982\u679c <code>mykey<\/code> \u7684\u5269\u9918\u751f\u5b58\u6642\u9593\u70ba 30 \u79d2\uff0c\u5247\u547d\u4ee4\u7684\u8fd4\u56de\u503c\u5c07\u662f 30\u3002\u5982\u679c <code>mykey<\/code> \u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de -2\uff1b\u5982\u679c\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5247\u8fd4\u56de -1\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8-pttl-%e5%91%bd%e4%bb%a4%e6%9f%a5%e7%9c%8b%e6%af%ab%e7%a7%92%e7%b4%9a%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-kqwuwPISIc\">\u4f7f\u7528 PTTL \u547d\u4ee4\u67e5\u770b\u6beb\u79d2\u7d1a\u7684\u904e\u671f\u6642\u9593<\/h2>\n<p>\u5982\u679c\u60a8\u9700\u8981\u66f4\u7cbe\u78ba\u7684\u904e\u671f\u6642\u9593\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>PTTL<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u8fd4\u56de\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff08\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u7528\u6cd5\u8207 <code>TTL<\/code> \u547d\u4ee4\u76f8\u4f3c\uff1a<\/p>\n<pre><code>PTTL mykey<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de <code>mykey<\/code> \u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff08\u6beb\u79d2\uff09\u3002\u5982\u679c\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de -2\uff1b\u5982\u679c\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5247\u8fd4\u56de -1\u3002<\/p>\n<h2 id=\"%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e7%9a%84%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-kqwuwPISIc\">\u904e\u671f\u6642\u9593\u7684\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u904e\u671f\u6642\u9593\u5728\u8a31\u591a\u61c9\u7528\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u7de9\u5b58\u7ba1\u7406\uff1a<\/strong>\u5728\u7de9\u5b58\u7cfb\u7d71\u4e2d\uff0c\u904e\u671f\u6642\u9593\u53ef\u4ee5\u5e6b\u52a9\u81ea\u52d5\u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\uff0c\u5f9e\u800c\u91cb\u653e\u5167\u5b58\u3002<\/li>\n<li><strong>\u6703\u8a71\u7ba1\u7406\uff1a<\/strong>\u5728 Web \u61c9\u7528\u4e2d\uff0c\u4f7f\u7528\u904e\u671f\u6642\u9593\u53ef\u4ee5\u81ea\u52d5\u767b\u51fa\u4e0d\u6d3b\u8e8d\u7684\u7528\u6236\uff0c\u589e\u5f37\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>\u9650\u6d41\u63a7\u5236\uff1a<\/strong>\u5728 API \u8acb\u6c42\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u904e\u671f\u6642\u9593\u4f86\u9650\u5236\u7528\u6236\u7684\u8acb\u6c42\u983b\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kqwuwPISIc\">\u7e3d\u7d50<\/h2>\n<p>\u4e86\u89e3\u5982\u4f55\u67e5\u770b Redis \u4e2d\u9375\u7684\u904e\u671f\u6642\u9593\u5c0d\u65bc\u6709\u6548\u7ba1\u7406\u6578\u64da\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u4f7f\u7528 <code>TTL<\/code> \u548c <code>PTTL<\/code> \u547d\u4ee4\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff0c\u5f9e\u800c\u505a\u51fa\u76f8\u61c9\u7684\u6578\u64da\u7ba1\u7406\u6c7a\u7b56\u3002\u7121\u8ad6\u662f\u5728\u7de9\u5b58\u3001\u6703\u8a71\u9084\u662f\u9650\u6d41\u63a7\u5236\u4e2d\uff0c\u5408\u7406\u5229\u7528\u904e\u671f\u6642\u9593\u90fd\u80fd\u63d0\u5347\u7cfb\u7d71\u7684\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u67e5\u770b Redis \u4e2d\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u638c\u63e1 Redis \u904e\u671f\u6642\u9593\u67e5\u8a62\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\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-152573","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152573","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=152573"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152573\/revisions"}],"predecessor-version":[{"id":152574,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152573\/revisions\/152574"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}