{"id":152645,"date":"2024-11-02T00:50:23","date_gmt":"2024-11-01T16:50:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/152645\/"},"modified":"2024-11-02T00:50:24","modified_gmt":"2024-11-01T16:50:24","slug":"%e6%9f%a5%e8%a9%a2-redis-%e4%b8%ad%e8%a8%ad%e5%ae%9a%e7%9a%84%e8%b6%85%e6%99%82%e6%99%82%e9%96%93%ef%bc%88redis-%e8%b6%85%e6%99%82%e6%99%82%e9%96%93%e6%9f%a5%e7%9c%8b%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/152645\/","title":{"rendered":"\u67e5\u8a62 Redis \u4e2d\u8a2d\u5b9a\u7684\u8d85\u6642\u6642\u9593\uff08Redis \u8d85\u6642\u6642\u9593\u67e5\u770b\uff09"},"content":{"rendered":"<h1 id=\"%e6%9f%a5%e8%a9%a2-redis-%e4%b8%ad%e8%a8%ad%e5%ae%9a%e7%9a%84%e8%b6%85%e6%99%82%e6%99%82%e9%96%93%ef%bc%88redis-%e8%b6%85%e6%99%82%e6%99%82%e9%96%93%e6%9f%a5%e7%9c%8b%ef%bc%89-KCgbCqmeBI\">\u67e5\u8a62 Redis \u4e2d\u8a2d\u5b9a\u7684\u8d85\u6642\u6642\u9593\uff08Redis \u8d85\u6642\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\u6d88\u606f\u968a\u5217\u548c\u6578\u64da\u6301\u4e45\u5316\u7b49\u5834\u666f\u3002\u5728\u4f7f\u7528 Redis \u6642\uff0c\u8d85\u6642\u6642\u9593\u7684\u8a2d\u5b9a\u5c0d\u65bc\u8cc7\u6e90\u7684\u7ba1\u7406\u548c\u6027\u80fd\u7684\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u67e5\u8a62 Redis \u4e2d\u8a2d\u5b9a\u7684\u8d85\u6642\u6642\u9593\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7ba1\u7406\u5176 Redis \u5be6\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis-%e8%b6%85%e6%99%82%e6%99%82%e9%96%93%ef%bc%9f-KCgbCqmeBI\">\u4ec0\u9ebc\u662f Redis \u8d85\u6642\u6642\u9593\uff1f<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u8d85\u6642\u6642\u9593\u662f\u6307\u4e00\u500b\u9375\u503c\u5c0d\u5728\u88ab\u8a2d\u7f6e\u5f8c\uff0c\u7d93\u904e\u4e00\u5b9a\u6642\u9593\u5f8c\u81ea\u52d5\u904e\u671f\u7684\u6642\u9593\u3002\u9019\u4e00\u7279\u6027\u4f7f\u5f97 Redis \u80fd\u5920\u81ea\u52d5\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u5f9e\u800c\u91cb\u653e\u5167\u5b58\u8cc7\u6e90\u3002\u8d85\u6642\u6642\u9593\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u8a2d\u7f6e\uff0c\u5305\u62ec\u5728\u8a2d\u7f6e\u9375\u503c\u6642\u76f4\u63a5\u6307\u5b9a\uff0c\u6216\u4f7f\u7528\u547d\u4ee4\u4f86\u4fee\u6539\u5df2\u5b58\u5728\u9375\u7684\u8d85\u6642\u6642\u9593\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e7%bd%ae%e8%b6%85%e6%99%82%e6%99%82%e9%96%93-KCgbCqmeBI\">\u5982\u4f55\u8a2d\u7f6e\u8d85\u6642\u6642\u9593<\/h2>\n<p>\u5728 Redis \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>SET<\/code> \u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u503c\u5c0d\u7684\u8d85\u6642\u6642\u9593\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>SET mykey \"Hello\" EX 10<\/code><\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c07\u9375 <code>mykey<\/code> \u8a2d\u7f6e\u70ba\u503c <code>\"Hello\"<\/code>\uff0c\u4e26\u6307\u5b9a\u5176\u8d85\u6642\u6642\u9593\u70ba 10 \u79d2\u3002\u9019\u610f\u5473\u8457 10 \u79d2\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e8%b6%85%e6%99%82%e6%99%82%e9%96%93%e7%9a%84%e6%96%b9%e6%b3%95-KCgbCqmeBI\">\u67e5\u8a62\u8d85\u6642\u6642\u9593\u7684\u65b9\u6cd5<\/h2>\n<p>\u8981\u67e5\u8a62 Redis \u4e2d\u67d0\u500b\u9375\u7684\u8d85\u6642\u6642\u9593\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>TTL<\/code> \u547d\u4ee4\u3002\u8a72\u547d\u4ee4\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\u8d85\u6642\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 5 \u79d2\uff0c\u5247\u547d\u4ee4\u5c07\u8fd4\u56de 5\u3002\u5982\u679c\u8a72\u9375\u4e0d\u5b58\u5728\uff0c\u5247\u8fd4\u56de -2\uff1b\u5982\u679c\u8a72\u9375\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u8d85\u6642\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%e8%a9%a2%e8%b6%85%e6%99%82%e6%99%82%e9%96%93-KCgbCqmeBI\">\u4f7f\u7528 PTTL \u547d\u4ee4\u67e5\u8a62\u8d85\u6642\u6642\u9593<\/h2>\n<p>\u9664\u4e86 <code>TTL<\/code> \u547d\u4ee4\u5916\uff0cRedis \u9084\u63d0\u4f9b\u4e86 <code>PTTL<\/code> \u547d\u4ee4\uff0c\u8a72\u547d\u4ee4\u8fd4\u56de\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff08\u4ee5\u6beb\u79d2\u70ba\u55ae\u4f4d\uff09\u3002\u9019\u5c0d\u65bc\u9700\u8981\u66f4\u7cbe\u78ba\u63a7\u5236\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 <code>PTTL<\/code> \u547d\u4ee4\u7684\u793a\u4f8b\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\u9375\u5b58\u5728\u4f46\u6c92\u6709\u8a2d\u7f6e\u8d85\u6642\uff0c\u5247\u8fd4\u56de -1\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-KCgbCqmeBI\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<ul>\n<li>\u5728\u67e5\u8a62\u8d85\u6642\u6642\u9593\u6642\uff0c\u78ba\u4fdd\u9375\u7684\u5b58\u5728\u6027\uff0c\u5426\u5247\u53ef\u80fd\u6703\u5f97\u5230 -2 \u7684\u8fd4\u56de\u503c\u3002<\/li>\n<li>\u8d85\u6642\u6642\u9593\u7684\u8a2d\u7f6e\u548c\u67e5\u8a62\u5c0d\u65bc\u6027\u80fd\u512a\u5316\u81f3\u95dc\u91cd\u8981\uff0c\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\u3002<\/li>\n<li>\u5b9a\u671f\u6aa2\u67e5\u548c\u8abf\u6574\u8d85\u6642\u6642\u9593\u53ef\u4ee5\u5e6b\u52a9\u7ba1\u7406 Redis \u7684\u5167\u5b58\u4f7f\u7528\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-KCgbCqmeBI\">\u7e3d\u7d50<\/h2>\n<p>\u67e5\u8a62 Redis \u4e2d\u8a2d\u5b9a\u7684\u8d85\u6642\u6642\u9593\u662f\u4e00\u500b\u91cd\u8981\u7684\u7ba1\u7406\u4efb\u52d9\uff0c\u80fd\u5920\u5e6b\u52a9\u7528\u6236\u6709\u6548\u5730\u63a7\u5236\u6578\u64da\u7684\u751f\u547d\u5468\u671f\u3002\u901a\u904e\u4f7f\u7528 <code>TTL<\/code> \u548c <code>PTTL<\/code> \u547d\u4ee4\uff0c\u7528\u6236\u53ef\u4ee5\u8f15\u9b06\u7372\u53d6\u9375\u7684\u5269\u9918\u751f\u5b58\u6642\u9593\uff0c\u5f9e\u800c\u505a\u51fa\u76f8\u61c9\u7684\u8abf\u6574\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\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd Redis \u7684\u904b\u884c\u74b0\u5883\u7a69\u5b9a\u53ef\u9760\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u67e5\u8a62 Redis \u4e2d\u8a2d\u5b9a\u7684\u8d85\u6642\u6642\u9593\uff0c\u4e86\u89e3\u5982\u4f55\u67e5\u770b\u548c\u7ba1\u7406 Redis \u7684\u8d85\u6642\u8a2d\u7f6e\uff0c\u512a\u5316\u6027\u80fd\u548c\u8cc7\u6e90\u4f7f\u7528\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-152645","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152645","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=152645"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152645\/revisions"}],"predecessor-version":[{"id":152646,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/152645\/revisions\/152646"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=152645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=152645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=152645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}