{"id":184704,"date":"2024-11-10T15:26:16","date_gmt":"2024-11-10T07:26:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184704\/"},"modified":"2024-11-10T15:26:17","modified_gmt":"2024-11-10T07:26:17","slug":"%e4%bd%bf%e7%94%a8redis%e9%9d%88%e6%b4%bb%e8%a8%ad%e7%bd%ae%e6%95%b8%e6%93%9a%e9%81%8e%e6%9c%9f%e8%b6%85%e6%99%82%e8%a8%88%e7%ae%97%e6%8a%80%e5%b7%a7%ef%bc%88redis%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184704\/","title":{"rendered":"\u4f7f\u7528Redis\u9748\u6d3b\u8a2d\u7f6e\u6578\u64da\u904e\u671f\u8d85\u6642\u8a08\u7b97\u6280\u5de7\uff08redis\u904e\u671f\u6642\u9593\u8a08\u7b97\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e9%9d%88%e6%b4%bb%e8%a8%ad%e7%bd%ae%e6%95%b8%e6%93%9a%e9%81%8e%e6%9c%9f%e8%b6%85%e6%99%82%e8%a8%88%e7%ae%97%e6%8a%80%e5%b7%a7%ef%bc%88redis%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-WxOjTelYVQ\">\u4f7f\u7528Redis\u9748\u6d3b\u8a2d\u7f6e\u6578\u64da\u904e\u671f\u8d85\u6642\u8a08\u7b97\u6280\u5de7\uff08redis\u904e\u671f\u6642\u9593\u8a08\u7b97\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u5b58\u5132\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u904e\u671f\u7ba1\u7406\u529f\u80fd\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u6839\u64da\u9700\u6c42\u8a2d\u7f6e\u6578\u64da\u7684\u904e\u671f\u6642\u9593\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728Redis\u4e2d\u9748\u6d3b\u8a2d\u7f6e\u6578\u64da\u7684\u904e\u671f\u8d85\u6642\u8a08\u7b97\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e8%a8%ad%e7%bd%ae-WxOjTelYVQ\">Redis\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e<\/h2>\n<p>Redis\u5141\u8a31\u7528\u6236\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u9019\u610f\u5473\u8457\u5728\u6307\u5b9a\u7684\u6642\u9593\u5f8c\uff0c\u8a72\u9375\u53ca\u5176\u5c0d\u61c9\u7684\u503c\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u529f\u80fd\u5c0d\u65bc\u7de9\u5b58\u3001\u6703\u8a71\u7ba1\u7406\u548c\u81e8\u6642\u6578\u64da\u5b58\u5132\u7b49\u5834\u666f\u5c24\u70ba\u91cd\u8981\u3002<\/p>\n<h3 id=\"%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e7%9a%84%e5%91%bd%e4%bb%a4-WxOjTelYVQ\">\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u7684\u547d\u4ee4<\/h3>\n<p>\u5728Redis\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff1a<\/p>\n<ul>\n<li><code>EXPIRE key seconds<\/code>\uff1a\u8a2d\u7f6e\u9375\u5728\u6307\u5b9a\u7684\u79d2\u6578\u5f8c\u904e\u671f\u3002<\/li>\n<li><code>PEXPIRE key milliseconds<\/code>\uff1a\u8a2d\u7f6e\u9375\u5728\u6307\u5b9a\u7684\u6beb\u79d2\u6578\u5f8c\u904e\u671f\u3002<\/li>\n<li><code>SET key value EX seconds<\/code>\uff1a\u5728\u8a2d\u7f6e\u9375\u503c\u7684\u540c\u6642\uff0c\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002<\/li>\n<li><code>SET key value PX milliseconds<\/code>\uff1a\u5728\u8a2d\u7f6e\u9375\u503c\u7684\u540c\u6642\uff0c\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff08\u6beb\u79d2\uff09\u3002<\/li>\n<\/ul>\n<h3 id=\"%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93%e7%9a%84%e8%a8%88%e7%ae%97%e6%8a%80%e5%b7%a7-WxOjTelYVQ\">\u904e\u671f\u6642\u9593\u7684\u8a08\u7b97\u6280\u5de7<\/h3>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u6839\u64da\u696d\u52d9\u9700\u6c42\uff0c\u53ef\u80fd\u9700\u8981\u9748\u6d3b\u5730\u8a08\u7b97\u904e\u671f\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u8a08\u7b97\u6280\u5de7\uff1a<\/p>\n<h4 id=\"1-%e5%8b%95%e6%85%8b%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-WxOjTelYVQ\">1. \u52d5\u614b\u904e\u671f\u6642\u9593<\/h4>\n<p>\u6839\u64da\u7528\u6236\u884c\u70ba\u6216\u5176\u4ed6\u689d\u4ef6\u52d5\u614b\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u6d3b\u8e8d\u7528\u6236\u7684\u6703\u8a71\uff0c\u53ef\u4ee5\u8a2d\u7f6e\u8f03\u9577\u7684\u904e\u671f\u6642\u9593\uff0c\u800c\u5c0d\u65bc\u4e0d\u6d3b\u8e8d\u7684\u7528\u6236\u5247\u8a2d\u7f6e\u8f03\u77ed\u7684\u904e\u671f\u6642\u9593\u3002<\/p>\n<pre><code>\nif (user.isActive()) {\n    redisTemplate.expire(\"session:\" + userId, 3600); \/\/ 1\u5c0f\u6642\n} else {\n    redisTemplate.expire(\"session:\" + userId, 300); \/\/ 5\u5206\u9418\n}\n<\/code><\/pre>\n<h4 id=\"2-%e5%9f%ba%e6%96%bc%e4%ba%8b%e4%bb%b6%e7%9a%84%e9%81%8e%e6%9c%9f%e6%99%82%e9%96%93-WxOjTelYVQ\">2. \u57fa\u65bc\u4e8b\u4ef6\u7684\u904e\u671f\u6642\u9593<\/h4>\n<p>\u6839\u64da\u7279\u5b9a\u4e8b\u4ef6\u4f86\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u4f8b\u5982\u7528\u6236\u6700\u5f8c\u4e00\u6b21\u767b\u9304\u6642\u9593\u3002\u53ef\u4ee5\u5728\u7528\u6236\u767b\u9304\u6642\u66f4\u65b0\u904e\u671f\u6642\u9593\uff0c\u78ba\u4fdd\u6d3b\u8e8d\u7528\u6236\u7684\u6578\u64da\u4e0d\u6703\u88ab\u522a\u9664\u3002<\/p>\n<pre><code>\nredisTemplate.set(\"user:lastLogin:\" + userId, currentTime);\nredisTemplate.expire(\"user:lastLogin:\" + userId, 86400); \/\/ 24\u5c0f\u6642\n<\/code><\/pre>\n<h4 id=\"3-%e4%bd%bf%e7%94%a8%e5%ae%9a%e6%99%82%e4%bb%bb%e5%8b%99%e6%b8%85%e7%90%86%e9%81%8e%e6%9c%9f%e6%95%b8%e6%93%9a-WxOjTelYVQ\">3. \u4f7f\u7528\u5b9a\u6642\u4efb\u52d9\u6e05\u7406\u904e\u671f\u6578\u64da<\/h4>\n<p>\u96d6\u7136Redis\u81ea\u52d5\u8655\u7406\u904e\u671f\u9375\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u624b\u52d5\u6e05\u7406\u904e\u671f\u6578\u64da\u3002\u53ef\u4ee5\u4f7f\u7528\u5b9a\u6642\u4efb\u52d9\u5b9a\u671f\u6aa2\u67e5\u4e26\u522a\u9664\u904e\u671f\u7684\u6578\u64da\u3002<\/p>\n<pre><code>\nScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);\nscheduler.scheduleAtFixedRate(() -&gt; {\n    \/\/ \u6e05\u7406\u904e\u671f\u6578\u64da\u7684\u908f\u8f2f\n}, 0, 1, TimeUnit.HOURS);\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-WxOjTelYVQ\">\u7d50\u8ad6<\/h2>\n<p>Redis\u7684\u904e\u671f\u6642\u9593\u8a2d\u7f6e\u529f\u80fd\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u6578\u64da\u7ba1\u7406\u65b9\u5f0f\u3002\u901a\u904e\u52d5\u614b\u8a08\u7b97\u904e\u671f\u6642\u9593\u3001\u57fa\u65bc\u4e8b\u4ef6\u7684\u8a2d\u7f6e\u4ee5\u53ca\u5b9a\u6642\u6e05\u7406\u904e\u671f\u6578\u64da\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u7684\u751f\u547d\u5468\u671f\u3002\u9019\u4e9b\u6280\u5de7\u4e0d\u50c5\u80fd\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\uff0c\u9084\u80fd\u512a\u5316\u8cc7\u6e90\u7684\u4f7f\u7528\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u904b\u884c\u60a8\u7684Redis\u5be6\u4f8b\uff0c\u4eab\u53d7\u66f4\u5feb\u7684\u6578\u64da\u8655\u7406\u901f\u5ea6\u548c\u66f4\u9ad8\u7684\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u4e2d\u9748\u6d3b\u8a2d\u7f6e\u6578\u64da\u904e\u671f\u8d85\u6642\u8a08\u7b97\u7684\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u512a\u5316\u6027\u80fd\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-184704","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184704","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=184704"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184704\/revisions"}],"predecessor-version":[{"id":184705,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184704\/revisions\/184705"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}