{"id":182534,"date":"2024-11-09T23:15:19","date_gmt":"2024-11-09T15:15:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/182534\/"},"modified":"2024-11-09T23:15:20","modified_gmt":"2024-11-09T15:15:20","slug":"%e6%99%82%e9%96%93redis%e4%b8%ad%e6%9f%a5%e7%9c%8b%e9%8d%b5%e5%80%bc%e5%b0%8d%e5%a4%b1%e6%95%88%e6%99%82%e9%96%93%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88redis%e6%9f%a5%e7%9c%8bkey%e5%a4%b1%e6%95%88","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/182534\/","title":{"rendered":"\u6642\u9593Redis\u4e2d\u67e5\u770b\u9375\u503c\u5c0d\u5931\u6548\u6642\u9593\u7684\u65b9\u6cd5\uff08redis\u67e5\u770bkey\u5931\u6548\uff09"},"content":{"rendered":"<h1 id=\"%e6%99%82%e9%96%93redis%e4%b8%ad%e6%9f%a5%e7%9c%8b%e9%8d%b5%e5%80%bc%e5%b0%8d%e5%a4%b1%e6%95%88%e6%99%82%e9%96%93%e7%9a%84%e6%96%b9%e6%b3%95%ef%bc%88redis%e6%9f%a5%e7%9c%8bkey%e5%a4%b1%e6%95%88-WtXQDJJrrJ\">\u6642\u9593Redis\u4e2d\u67e5\u770b\u9375\u503c\u5c0d\u5931\u6548\u6642\u9593\u7684\u65b9\u6cd5\uff08redis\u67e5\u770bkey\u5931\u6548\uff09<\/h1>\n<p>Redis\u662f\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\uff0c\u5982\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u3002\u7531\u65bcRedis\u652f\u6301\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u9019\u4f7f\u5f97\u5b83\u5728\u8655\u7406\u81e8\u6642\u6578\u64da\u6642\u975e\u5e38\u65b9\u4fbf\u3002\u7136\u800c\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u9375\u7684\u5931\u6548\u6642\u9593\u5c0d\u65bc\u7ba1\u7406\u548c\u512a\u5316Redis\u6578\u64da\u5eab\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5728Redis\u4e2d\u67e5\u770b\u9375\u503c\u5c0d\u5931\u6548\u6642\u9593\u7684\u65b9\u6cd5\u3002<\/p>\n<h2 id=\"redis%e9%8d%b5%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e8%a8%ad%e7%bd%ae-WtXQDJJrrJ\">Redis\u9375\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\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\u70ba60\u79d2\uff1a<\/p>\n<pre><code>EXPIRE mykey 60<\/code><\/pre>\n<p>\u9664\u4e86 <code>EXPIRE<\/code> \u547d\u4ee4\uff0cRedis\u9084\u63d0\u4f9b\u4e86 <code>PEXPIRE<\/code> \u547d\u4ee4\uff0c\u9019\u500b\u547d\u4ee4\u7684\u529f\u80fd\u8207 <code>EXPIRE<\/code> \u76f8\u540c\uff0c\u4f46\u904e\u671f\u6642\u9593\u662f\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e7%9c%8b%e9%8d%b5%e7%9a%84%e5%89%a9%e9%a4%98%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-WtXQDJJrrJ\">\u67e5\u770b\u9375\u7684\u5269\u9918\u904e\u671f\u6642\u9593<\/h2>\n<p>\u8981\u67e5\u770b\u67d0\u500b\u9375\u7684\u5269\u9918\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\u904e\u671f\u6642\u9593\uff08\u4ee5\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u5982\u679c\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de <code>-2<\/code>\uff1b\u5982\u679c\u9375\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u5247\u8fd4\u56de <code>-1<\/code>\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\u904e\u671f\u6642\u9593\u70ba30\u79d2\uff0c\u5247\u547d\u4ee4\u7684\u8fd4\u56de\u503c\u5c07\u662f <code>30<\/code>\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%ef%bc%88%e4%bb%a5%e6%af%ab%e7%a7%92%e7%82%ba%e5%96%ae%e4%bd%8d%ef%bc%89-WtXQDJJrrJ\">\u67e5\u770b\u9375\u7684\u904e\u671f\u6642\u9593\uff08\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\uff09<\/h2>\n<p>\u5982\u679c\u9700\u8981\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\u67e5\u770b\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>PTTL<\/code> \u547d\u4ee4\u3002\u9019\u500b\u547d\u4ee4\u7684\u7528\u6cd5\u8207 <code>TTL<\/code> \u76f8\u4f3c\uff0c\u4f46\u8fd4\u56de\u7684\u6642\u9593\u662f\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\u3002<\/p>\n<pre><code>PTTL mykey<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u66f4\u7cbe\u78ba\u5730\u4e86\u89e3\u9375\u7684\u904e\u671f\u6642\u9593\uff0c\u7279\u5225\u662f\u5728\u9700\u8981\u9ad8\u7cbe\u5ea6\u7684\u61c9\u7528\u5834\u666f\u4e2d\u3002<\/p>\n<h2 id=\"%e6%aa%a2%e6%9f%a5%e9%8d%b5%e7%9a%84%e9%81%8e%e6%9c%9f%e7%8b%80%e6%85%8b-WtXQDJJrrJ\">\u6aa2\u67e5\u9375\u7684\u904e\u671f\u72c0\u614b<\/h2>\n<p>\u9664\u4e86\u67e5\u770b\u5269\u9918\u904e\u671f\u6642\u9593\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528 <code>GET<\/code> \u547d\u4ee4\u4f86\u6aa2\u67e5\u9375\u7684\u503c\u3002\u5982\u679c\u9375\u5df2\u7d93\u904e\u671f\uff0c\u5247 <code>GET<\/code> \u547d\u4ee4\u5c07\u8fd4\u56de <code>(nil)<\/code>\uff0c\u9019\u610f\u5473\u8457\u8a72\u9375\u5df2\u7d93\u4e0d\u5b58\u5728\u3002<\/p>\n<pre><code>GET mykey<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-WtXQDJJrrJ\">\u7d50\u8ad6<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u67e5\u770b\u9375\u503c\u5c0d\u7684\u5931\u6548\u6642\u9593\u662f\u4e00\u500b\u91cd\u8981\u7684\u7ba1\u7406\u4efb\u52d9\u3002\u901a\u904e\u4f7f\u7528 <code>EXPIRE<\/code>\u3001<code>TTL<\/code> \u548c <code>PTTL<\/code> \u7b49\u547d\u4ee4\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u76e3\u63a7\u548c\u7ba1\u7406\u9375\u7684\u904e\u671f\u72c0\u614b\uff0c\u5f9e\u800c\u512a\u5316\u6578\u64da\u5b58\u5132\u548c\u8a2a\u554f\u6548\u7387\u3002\u4e86\u89e3\u9019\u4e9b\u547d\u4ee4\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347Redis\u7684\u4f7f\u7528\u9ad4\u9a57\u548c\u6027\u80fd\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\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f\u9700\u8981\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u63d0\u4f9b\u6700\u4f73\u7684\u652f\u6301\u548c\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728Redis\u4e2d\u67e5\u770b\u9375\u503c\u5c0d\u7684\u5931\u6548\u6642\u9593\uff0c\u638c\u63e1\u6709\u6548\u7ba1\u7406\u6578\u64da\u7684\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u64cd\u4f5c\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-182534","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182534","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=182534"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182534\/revisions"}],"predecessor-version":[{"id":182535,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/182534\/revisions\/182535"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=182534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=182534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=182534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}