{"id":167389,"date":"2024-11-06T00:46:28","date_gmt":"2024-11-05T16:46:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/167389\/"},"modified":"2024-11-06T00:46:29","modified_gmt":"2024-11-05T16:46:29","slug":"%e5%88%a9%e7%94%a8redis%e8%a8%98%e9%8c%84key%e7%9a%84%e4%bd%bf%e7%94%a8%e6%99%82%e9%96%93%ef%bc%88redis%e8%a8%98%e9%8c%84key%e6%99%82%e9%96%93%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/167389\/","title":{"rendered":"\u5229\u7528Redis\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593\uff08redis\u8a18\u9304key\u6642\u9593\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%a9%e7%94%a8redis%e8%a8%98%e9%8c%84key%e7%9a%84%e4%bd%bf%e7%94%a8%e6%99%82%e9%96%93%ef%bc%88redis%e8%a8%98%e9%8c%84key%e6%99%82%e9%96%93%ef%bc%89-kKHeYvKgEl\">\u5229\u7528Redis\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593\uff08redis\u8a18\u9304key\u6642\u9593\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u5feb\u901f\u5b58\u53d6\u548c\u7ba1\u7406\u6578\u64da\u662f\u6bcf\u500b\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u7684\u9996\u8981\u4efb\u52d9\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u4e2d\u3002\u9664\u4e86\u57fa\u672c\u7684\u6578\u64da\u5b58\u5132\u529f\u80fd\u5916\uff0cRedis\u9084\u63d0\u4f9b\u4e86\u8a31\u591a\u5f37\u5927\u7684\u529f\u80fd\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e8%a8%98%e9%8c%84key%e7%9a%84%e4%bd%bf%e7%94%a8%e6%99%82%e9%96%93%ef%bc%9f-kKHeYvKgEl\">\u70ba\u4ec0\u9ebc\u9700\u8981\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593\uff1f<\/h2>\n<p>\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593\u5c0d\u65bc\u6027\u80fd\u512a\u5316\u548c\u8cc7\u6e90\u7ba1\u7406\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u4e3b\u8981\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u8cc7\u6e90\u7ba1\u7406\uff1a<\/strong>\u901a\u904e\u4e86\u89e3\u54ea\u4e9bKey\u88ab\u983b\u7e41\u8a2a\u554f\uff0c\u7cfb\u7d71\u7ba1\u7406\u54e1\u53ef\u4ee5\u66f4\u597d\u5730\u5206\u914d\u8cc7\u6e90\uff0c\u512a\u5316\u6578\u64da\u5b58\u5132\u3002<\/li>\n<li><strong>\u6578\u64da\u6e05\u7406\uff1a<\/strong>\u53ef\u4ee5\u6839\u64daKey\u7684\u4f7f\u7528\u983b\u7387\u4f86\u6c7a\u5b9a\u662f\u5426\u9700\u8981\u522a\u9664\u4e0d\u518d\u4f7f\u7528\u7684\u6578\u64da\uff0c\u5f9e\u800c\u91cb\u653e\u5b58\u5132\u7a7a\u9593\u3002<\/li>\n<li><strong>\u6027\u80fd\u5206\u6790\uff1a<\/strong>\u901a\u904e\u5206\u6790Key\u7684\u4f7f\u7528\u6642\u9593\uff0c\u53ef\u4ee5\u8b58\u5225\u6027\u80fd\u74f6\u9838\uff0c\u9032\u884c\u76f8\u61c9\u7684\u512a\u5316\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8redis%e4%b8%ad%e8%a8%98%e9%8c%84key%e7%9a%84%e4%bd%bf%e7%94%a8%e6%99%82%e9%96%93-kKHeYvKgEl\">\u5982\u4f55\u5728Redis\u4e2d\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593<\/h2>\n<p>\u5728Redis\u4e2d\uff0c\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8redis%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-kKHeYvKgEl\">1. \u4f7f\u7528Redis\u7684\u904e\u671f\u6642\u9593<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u8a2d\u7f6eKey\u904e\u671f\u6642\u9593\u7684\u529f\u80fd\u3002\u7576Key\u88ab\u8a2a\u554f\u6642\uff0c\u53ef\u4ee5\u66f4\u65b0\u5176\u904e\u671f\u6642\u9593\uff0c\u9019\u6a23\u5c31\u80fd\u5920\u9593\u63a5\u5730\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593\u3002<\/p>\n<pre><code>SET mykey \"value\"\nEXPIRE mykey 3600  # \u8a2d\u7f6eKey\u7684\u904e\u671f\u6642\u9593\u70ba1\u5c0f\u6642\n<\/code><\/pre>\n<p>\u7576Key\u88ab\u8a2a\u554f\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u66f4\u65b0\u904e\u671f\u6642\u9593\uff1a<\/p>\n<pre><code>EXPIRE mykey 3600  # \u91cd\u65b0\u8a2d\u7f6e\u904e\u671f\u6642\u9593\n<\/code><\/pre>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e9%a1%8d%e5%a4%96%e7%9a%84key%e4%be%86%e8%a8%98%e9%8c%84%e8%a8%aa%e5%95%8f%e6%99%82%e9%96%93-kKHeYvKgEl\">2. \u4f7f\u7528\u984d\u5916\u7684Key\u4f86\u8a18\u9304\u8a2a\u554f\u6642\u9593<\/h3>\n<p>\u53e6\u4e00\u7a2e\u65b9\u6cd5\u662f\u4f7f\u7528\u984d\u5916\u7684Key\u4f86\u8a18\u9304\u6bcf\u6b21\u8a2a\u554f\u7684\u6642\u9593\u6233\u3002\u9019\u53ef\u4ee5\u901a\u904e\u5c07\u7576\u524d\u6642\u9593\u5b58\u5132\u5728\u4e00\u500b\u65b0\u7684Key\u4e2d\u4f86\u5be6\u73fe\u3002<\/p>\n<pre><code>SET mykey \"value\"\nSET mykey:timestamp (GETDATE)  # \u8a18\u9304\u7576\u524d\u6642\u9593\n<\/code><\/pre>\n<p>\u6bcf\u6b21\u8a2a\u554f\u6642\uff0c\u53ef\u4ee5\u66f4\u65b0\u6642\u9593\u6233\uff1a<\/p>\n<pre><code>SET mykey:timestamp (GETDATE)  # \u66f4\u65b0\u8a2a\u554f\u6642\u9593\n<\/code><\/pre>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8redis%e7%9a%84%e7%99%bc%e5%b8%83-%e8%a8%82%e9%96%b1%e5%8a%9f%e8%83%bd-kKHeYvKgEl\">3. \u4f7f\u7528Redis\u7684\u767c\u5e03\/\u8a02\u95b1\u529f\u80fd<\/h3>\n<p>Redis\u7684\u767c\u5e03\/\u8a02\u95b1\u529f\u80fd\u53ef\u4ee5\u7528\u4f86\u76e3\u63a7Key\u7684\u8a2a\u554f\u60c5\u6cc1\u3002\u7576Key\u88ab\u8a2a\u554f\u6642\uff0c\u53ef\u4ee5\u767c\u5e03\u4e00\u500b\u6d88\u606f\uff0c\u4e26\u5728\u8a02\u95b1\u8005\u4e2d\u8a18\u9304\u6642\u9593\u3002<\/p>\n<pre><code>PUBLISH key_accessed mykey\n<\/code><\/pre>\n<p>\u8a02\u95b1\u8005\u53ef\u4ee5\u63a5\u6536\u6d88\u606f\u4e26\u8a18\u9304\u8a2a\u554f\u6642\u9593\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e8%a8%98%e9%8c%84key%e7%9a%84%e4%bd%bf%e7%94%a8%e6%99%82%e9%96%93-kKHeYvKgEl\">\u793a\u4f8b\uff1a\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593\uff1a<\/p>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8a2d\u7f6eKey\nr.set('mykey', 'value')\nr.expire('mykey', 3600)  # \u8a2d\u7f6e\u904e\u671f\u6642\u9593\n\n# \u8a2a\u554fKey\u4e26\u8a18\u9304\u6642\u9593\ndef access_key():\n    r.get('mykey')  # \u8a2a\u554fKey\n    r.expire('mykey', 3600)  # \u66f4\u65b0\u904e\u671f\u6642\u9593\n    r.set('mykey:timestamp', int(time.time()))  # \u8a18\u9304\u7576\u524d\u6642\u9593\n\n# \u6a21\u64ec\u8a2a\u554f\naccess_key()\nprint(\"Key\u7684\u6700\u5f8c\u8a2a\u554f\u6642\u9593:\", r.get('mykey:timestamp'))\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kKHeYvKgEl\">\u7e3d\u7d50<\/h2>\n<p>\u5229\u7528Redis\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593\u662f\u4e00\u500b\u6709\u6548\u7684\u6578\u64da\u7ba1\u7406\u7b56\u7565\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u548c\u7cfb\u7d71\u7ba1\u7406\u54e1\u66f4\u597d\u5730\u7406\u89e3\u6578\u64da\u7684\u4f7f\u7528\u60c5\u6cc1\u3002\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3001\u4f7f\u7528\u984d\u5916\u7684Key\u6216\u5229\u7528\u767c\u5e03\/\u8a02\u95b1\u529f\u80fd\uff0c\u60a8\u53ef\u4ee5\u9748\u6d3b\u5730\u8a18\u9304\u548c\u5206\u6790Key\u7684\u8a2a\u554f\u60c5\u6cc1\u3002\u9019\u4e9b\u6280\u8853\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u6027\u80fd\uff0c\u9084\u80fd\u5e6b\u52a9\u60a8\u505a\u51fa\u66f4\u660e\u667a\u7684\u8cc7\u6e90\u7ba1\u7406\u6c7a\u7b56\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u65b9\u6848\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5229\u7528Redis\u8a18\u9304Key\u7684\u4f7f\u7528\u6642\u9593\uff0c\u8f15\u9b06\u8ffd\u8e64\u548c\u7ba1\u7406\u6578\u64da\u5b58\u53d6\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u78ba\u4fdd\u8cc7\u6e90\u6700\u4f73\u5316\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-167389","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167389","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=167389"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167389\/revisions"}],"predecessor-version":[{"id":167390,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/167389\/revisions\/167390"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=167389"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=167389"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=167389"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}