{"id":97338,"date":"2024-10-20T17:04:28","date_gmt":"2024-10-20T09:04:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97338\/"},"modified":"2024-10-20T17:04:28","modified_gmt":"2024-10-20T09:04:28","slug":"redis-%e9%81%8e%e6%9c%9f%e4%ba%8b%e4%bb%b6%e7%9b%a3%e8%81%bd%e6%a9%9f%e5%88%b6%e5%af%a6%e8%b8%90%ef%bc%88redis%e9%81%8e%e6%9c%9f-%e4%ba%8b%e4%bb%b6%e7%9b%a3%e8%81%bd%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97338\/","title":{"rendered":"Redis \u904e\u671f\u4e8b\u4ef6\u76e3\u807d\u6a5f\u5236\u5be6\u8e10\uff08redis\u904e\u671f \u4e8b\u4ef6\u76e3\u807d\uff09"},"content":{"rendered":"<h1 id=\"redis-%e9%81%8e%e6%9c%9f%e4%ba%8b%e4%bb%b6%e7%9b%a3%e8%81%bd%e6%a9%9f%e5%88%b6%e5%af%a6%e8%b8%90%ef%bc%88redis%e9%81%8e%e6%9c%9f%e4%ba%8b%e4%bb%b6%e7%9b%a3%e8%81%bd%ef%bc%89-oMOWBkzUwZ\">Redis \u904e\u671f\u4e8b\u4ef6\u76e3\u807d\u6a5f\u5236\u5be6\u8e10\uff08redis\u904e\u671f\u4e8b\u4ef6\u76e3\u807d\uff09<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u7684\u4f7f\u7528\u8d8a\u4f86\u8d8a\u666e\u904d\uff0c\u800c Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5feb\u53d6\u529f\u80fd\u3002Redis \u7684\u904e\u671f\u4e8b\u4ef6\u76e3\u807d\u6a5f\u5236\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u6709\u6548\u5730\u7ba1\u7406\u5feb\u53d6\u8cc7\u6599\uff0c\u4e26\u5728\u8cc7\u6599\u904e\u671f\u6642\u57f7\u884c\u7279\u5b9a\u7684\u64cd\u4f5c\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e Redis \u7684\u904e\u671f\u4e8b\u4ef6\u76e3\u807d\u6a5f\u5236\u53ca\u5176\u5be6\u8e10\u61c9\u7528\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e6%a9%9f%e5%88%b6-oMOWBkzUwZ\">Redis \u7684\u904e\u671f\u6a5f\u5236<\/h2>\n<p>Redis \u5141\u8a31\u70ba\u6bcf\u500b\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u7576\u6642\u9593\u5230\u9054\u6642\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u6a5f\u5236\u4e0d\u50c5\u80fd\u5920\u7bc0\u7701\u8a18\u61b6\u9ad4\uff0c\u9084\u80fd\u78ba\u4fdd\u8cc7\u6599\u7684\u5373\u6642\u6027\u3002\u904e\u671f\u6642\u9593\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>SET key value EX seconds<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u5c07\u9375 &#8220;session&#8221; \u8a2d\u7f6e\u70ba &#8220;abc123&#8243;\uff0c\u4e26\u5728 60 \u79d2\u5f8c\u904e\u671f\uff1a<\/p>\n<pre><code>SET session abc123 EX 60<\/code><\/pre>\n<h2 id=\"%e9%81%8e%e6%9c%9f%e4%ba%8b%e4%bb%b6%e7%9b%a3%e8%81%bd%e6%a9%9f%e5%88%b6-oMOWBkzUwZ\">\u904e\u671f\u4e8b\u4ef6\u76e3\u807d\u6a5f\u5236<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u65b9\u5f0f\u4f86\u76e3\u807d\u904e\u671f\u4e8b\u4ef6\uff1a\u901a\u904e Pub\/Sub \u6a5f\u5236\u548c\u4f7f\u7528 Keyspace Notifications\u3002Keyspace Notifications \u662f Redis 2.8 \u7248\u672c\u5f15\u5165\u7684\u529f\u80fd\uff0c\u5141\u8a31\u5ba2\u6236\u7aef\u8a02\u95b1\u7279\u5b9a\u7684\u4e8b\u4ef6\uff0c\u5305\u62ec\u9375\u7684\u904e\u671f\u4e8b\u4ef6\u3002<\/p>\n<h3 id=\"%e5%95%9f%e7%94%a8-keyspace-notifications-oMOWBkzUwZ\">\u555f\u7528 Keyspace Notifications<\/h3>\n<p>\u8981\u555f\u7528 Keyspace Notifications\uff0c\u9700\u5728 Redis \u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>notify-keyspace-events Ex<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u7f6e\u5f8c\uff0c\u7576\u9375\u904e\u671f\u6642\uff0cRedis \u5c07\u6703\u767c\u9001\u901a\u77e5\u3002\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u8a02\u95b1\u9019\u4e9b\u901a\u77e5\u4f86\u57f7\u884c\u76f8\u61c9\u7684\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"%e8%a8%82%e9%96%b1%e9%81%8e%e6%9c%9f%e4%ba%8b%e4%bb%b6%e7%9a%84%e7%af%84%e4%be%8b-oMOWBkzUwZ\">\u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\u7684\u7bc4\u4f8b<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Python \u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u8a02\u95b1 Redis \u7684\u904e\u671f\u4e8b\u4ef6\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.StrictRedis(host='localhost', port=6379, db=0)\n\n# \u8a2d\u7f6e\u904e\u671f\u9375\nr.set('test_key', 'value', ex=10)\n\n# \u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\npubsub = r.pubsub()\npubsub.psubscribe('__keyevent@0__:expired')\n\n# \u76e3\u807d\u4e8b\u4ef6\nfor message in pubsub.listen():\n    if message['type'] == 'pmessage':\n        print(f\"\u9375 {message['data'].decode('utf-8')} \u5df2\u904e\u671f\")\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u8a2d\u7f6e\u4e86\u4e00\u500b\u904e\u671f\u9375 &#8220;test_key&#8221;\uff0c\u7136\u5f8c\u8a02\u95b1\u4e86\u904e\u671f\u4e8b\u4ef6\u3002\u7576 &#8220;test_key&#8221; \u904e\u671f\u6642\uff0c\u5c07\u6703\u6253\u5370\u51fa\u76f8\u61c9\u7684\u8a0a\u606f\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-oMOWBkzUwZ\">\u5be6\u969b\u61c9\u7528\u5834\u666f<\/h2>\n<p>Redis \u7684\u904e\u671f\u4e8b\u4ef6\u76e3\u807d\u6a5f\u5236\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u80fd\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u6703\u8a71\u7ba1\u7406\uff1a<\/strong>\u5728 Web \u61c9\u7528\u4e2d\uff0c\u4f7f\u7528 Redis \u5b58\u5132\u7528\u6236\u6703\u8a71\u8cc7\u6599\uff0c\u4e26\u5728\u6703\u8a71\u904e\u671f\u6642\u81ea\u52d5\u6e05\u7406\u8cc7\u6599\u3002<\/li>\n<li><strong>\u7de9\u5b58\u5931\u6548\uff1a<\/strong>\u7576\u5feb\u53d6\u8cc7\u6599\u904e\u671f\u6642\uff0c\u53ef\u4ee5\u89f8\u767c\u66f4\u65b0\u64cd\u4f5c\uff0c\u78ba\u4fdd\u8cc7\u6599\u7684\u5373\u6642\u6027\u3002<\/li>\n<li><strong>\u8cc7\u6e90\u91cb\u653e\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u904e\u671f\u4e8b\u4ef6\u53ef\u4ee5\u7528\u4f86\u91cb\u653e\u8cc7\u6e90\uff0c\u4f8b\u5982\u95dc\u9589\u4e0d\u518d\u4f7f\u7528\u7684\u9023\u63a5\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-oMOWBkzUwZ\">\u7e3d\u7d50<\/h2>\n<p>Redis \u7684\u904e\u671f\u4e8b\u4ef6\u76e3\u807d\u6a5f\u5236\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u7684\u65b9\u5f0f\u4f86\u7ba1\u7406\u5feb\u53d6\u8cc7\u6599\u548c\u8cc7\u6e90\u3002\u901a\u904e\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u548c\u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5728\u8cc7\u6599\u904e\u671f\u6642\u81ea\u52d5\u57f7\u884c\u7279\u5b9a\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5f0f\u7684\u6548\u7387\u548c\u6027\u80fd\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0cRedis \u662f\u4e00\u500b\u503c\u5f97\u8003\u616e\u7684\u9078\u64c7\u3002\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\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u904e\u671f\u4e8b\u4ef6\u76e3\u807d\u6a5f\u5236\u7684\u5be6\u8e10\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u97ff\u61c9\u9375\u904e\u671f\u4e8b\u4ef6\uff0c\u63d0\u5347\u61c9\u7528\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-97338","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97338","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=97338"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97338\/revisions"}],"predecessor-version":[{"id":97339,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97338\/revisions\/97339"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}