{"id":125735,"date":"2024-10-26T00:15:07","date_gmt":"2024-10-25T16:15:07","guid":{"rendered":"https:\/\/server.hk\/cnblog\/125735\/"},"modified":"2024-10-26T00:15:08","modified_gmt":"2024-10-25T16:15:08","slug":"redis-%e5%88%a9%e7%94%a8%e8%a8%82%e9%96%b1%e9%81%8e%e6%9c%9f%e4%ba%8b%e4%bb%b6%e5%af%a6%e7%8f%be%e7%b2%be%e6%ba%96%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/125735\/","title":{"rendered":"Redis \u5229\u7528\u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\u5be6\u73fe\u7cbe\u6e96\u63a7\u5236"},"content":{"rendered":"<h1 id=\"redis-%e5%88%a9%e7%94%a8%e8%a8%82%e9%96%b1%e9%81%8e%e6%9c%9f%e4%ba%8b%e4%bb%b6%e5%af%a6%e7%8f%be%e7%b2%be%e6%ba%96%e6%8e%a7%e5%88%b6-QeVmEyZlxR\">Redis \u5229\u7528\u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\u5be6\u73fe\u7cbe\u6e96\u63a7\u5236<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0cRedis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u5df2\u7d93\u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u5834\u666f\u3002\u7279\u5225\u662f\u5728\u9700\u8981\u9ad8\u6027\u80fd\u548c\u4f4e\u5ef6\u9072\u7684\u60c5\u6cc1\u4e0b\uff0cRedis \u7684\u8868\u73fe\u5c24\u70ba\u7a81\u51fa\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u7684\u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\u4f86\u5be6\u73fe\u7cbe\u6e96\u63a7\u5236\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e9%81%8e%e6%9c%9f%e6%a9%9f%e5%88%b6-QeVmEyZlxR\">Redis \u7684\u904e\u671f\u6a5f\u5236<\/h2>\n<p>Redis \u5141\u8a31\u70ba\u9375\u8a2d\u7f6e\u904e\u671f\u6642\u9593\uff0c\u7576\u9375\u7684\u751f\u547d\u9031\u671f\u7d50\u675f\u5f8c\uff0c\u8a72\u9375\u5c07\u81ea\u52d5\u88ab\u522a\u9664\u3002\u9019\u4e00\u7279\u6027\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f8b\u5982\u7de9\u5b58\u3001\u6703\u8a71\u7ba1\u7406\u7b49\u3002Redis \u63d0\u4f9b\u4e86\u5169\u7a2e\u65b9\u5f0f\u4f86\u8a2d\u7f6e\u9375\u7684\u904e\u671f\u6642\u9593\uff1a\u4f7f\u7528 <code>EXPIRE<\/code> \u547d\u4ee4\u548c\u5728\u8a2d\u7f6e\u9375\u6642\u76f4\u63a5\u6307\u5b9a\u904e\u671f\u6642\u9593\u3002<\/p>\n<pre><code>SET mykey \"Hello\"\nEXPIRE mykey 10  # mykey \u5c07\u5728 10 \u79d2\u5f8c\u904e\u671f\n<\/code><\/pre>\n<h2 id=\"%e8%a8%82%e9%96%b1%e9%81%8e%e6%9c%9f%e4%ba%8b%e4%bb%b6-QeVmEyZlxR\">\u8a02\u95b1\u904e\u671f\u4e8b\u4ef6<\/h2>\n<p>Redis \u63d0\u4f9b\u4e86\u4e00\u500b\u5f37\u5927\u7684\u529f\u80fd\uff0c\u5141\u8a31\u5ba2\u6236\u7aef\u8a02\u95b1\u9375\u7684\u904e\u671f\u4e8b\u4ef6\u3002\u9019\u610f\u5473\u8457\u7576\u67d0\u500b\u9375\u904e\u671f\u6642\uff0cRedis \u53ef\u4ee5\u5411\u8a02\u95b1\u8a72\u4e8b\u4ef6\u7684\u5ba2\u6236\u7aef\u767c\u9001\u901a\u77e5\u3002\u9019\u4e00\u529f\u80fd\u53ef\u4ee5\u901a\u904e Redis \u7684 <code>Pub\/Sub<\/code> \u6a5f\u5236\u4f86\u5be6\u73fe\u3002<\/p>\n<p>\u8981\u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\uff0c\u9996\u5148\u9700\u8981\u5728 Redis \u914d\u7f6e\u4e2d\u555f\u7528 <code>notify-keyspace-events<\/code> \u9078\u9805\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u8a2d\u7f6e\uff1a<\/p>\n<pre><code>CONFIG SET notify-keyspace-events Ex\n<\/code><\/pre>\n<p>\u9019\u6a23\u8a2d\u7f6e\u5f8c\uff0c\u7576\u9375\u904e\u671f\u6642\uff0cRedis \u5c07\u6703\u5728 <code>__keyevent@0__:expired<\/code> \u983b\u9053\u4e0a\u767c\u9001\u901a\u77e5\u3002<\/p>\n<h2 id=\"%e5%af%a6%e7%8f%be%e7%b2%be%e6%ba%96%e6%8e%a7%e5%88%b6%e7%9a%84%e7%af%84%e4%be%8b-QeVmEyZlxR\">\u5be6\u73fe\u7cbe\u6e96\u63a7\u5236\u7684\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Redis \u7684\u904e\u671f\u4e8b\u4ef6\u4f86\u5be6\u73fe\u7cbe\u6e96\u63a7\u5236\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u61c9\u7528\u9700\u8981\u5728\u7528\u6236\u6703\u8a71\u904e\u671f\u6642\u57f7\u884c\u67d0\u4e9b\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1-%e8%a8%ad%e7%bd%ae%e9%81%8e%e6%9c%9f%e9%8d%b5-QeVmEyZlxR\">\u6b65\u9a5f 1: \u8a2d\u7f6e\u904e\u671f\u9375<\/h3>\n<pre><code>SET session:12345 \"user_data\"\nEXPIRE session:12345 30  # \u8a2d\u7f6e 30 \u79d2\u5f8c\u904e\u671f\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2-%e8%a8%82%e9%96%b1%e9%81%8e%e6%9c%9f%e4%ba%8b%e4%bb%b6-QeVmEyZlxR\">\u6b65\u9a5f 2: \u8a02\u95b1\u904e\u671f\u4e8b\u4ef6<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5728\u5ba2\u6236\u7aef\u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\uff1a<\/p>\n<pre><code>import redis\n\nr = redis.Redis()\np = r.pubsub()\np.subscribe('__keyevent@0__:expired')\n\nfor message in p.listen():\n    if message['type'] == 'message':\n        print(f\"\u9375 {message['data']} \u5df2\u904e\u671f\")\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3-%e6%b8%ac%e8%a9%a6-QeVmEyZlxR\">\u6b65\u9a5f 3: \u6e2c\u8a66<\/h3>\n<p>\u7576 <code>session:12345<\/code> \u9375\u5728 30 \u79d2\u5f8c\u904e\u671f\u6642\uff0c\u8a02\u95b1\u7684\u5ba2\u6236\u7aef\u5c07\u6536\u5230\u901a\u77e5\uff0c\u4e26\u57f7\u884c\u76f8\u61c9\u7684\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-QeVmEyZlxR\">\u61c9\u7528\u5834\u666f<\/h2>\n<p>\u5229\u7528 Redis \u7684\u904e\u671f\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u5be6\u73fe\u591a\u7a2e\u61c9\u7528\u5834\u666f\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u81ea\u52d5\u6e05\u7406\u904e\u671f\u7684\u7de9\u5b58\u6578\u64da<\/li>\n<li>\u5728\u7528\u6236\u6703\u8a71\u904e\u671f\u6642\u767c\u9001\u901a\u77e5\u6216\u57f7\u884c\u6e05\u7406\u64cd\u4f5c<\/li>\n<li>\u5be6\u73fe\u9650\u6642\u512a\u60e0\u6d3b\u52d5\u7684\u81ea\u52d5\u7d50\u675f<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QeVmEyZlxR\">\u7e3d\u7d50<\/h2>\n<p>Redis \u7684\u904e\u671f\u4e8b\u4ef6\u8a02\u95b1\u529f\u80fd\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u4e00\u7a2e\u9748\u6d3b\u7684\u65b9\u5f0f\u4f86\u7ba1\u7406\u548c\u63a7\u5236\u61c9\u7528\u4e2d\u7684\u6578\u64da\u3002\u901a\u904e\u5408\u7406\u5229\u7528\u9019\u4e00\u7279\u6027\uff0c\u53ef\u4ee5\u5be6\u73fe\u9ad8\u6548\u7684\u8cc7\u6e90\u7ba1\u7406\u548c\u7cbe\u6e96\u7684\u696d\u52d9\u908f\u8f2f\u63a7\u5236\u3002\u7121\u8ad6\u662f\u5728\u7de9\u5b58\u7ba1\u7406\u9084\u662f\u6703\u8a71\u63a7\u5236\u4e2d\uff0cRedis \u90fd\u80fd\u5920\u63d0\u4f9b\u5f37\u5927\u7684\u652f\u6301\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\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f\u5176\u4ed6\u96f2\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528 Redis \u7684\u8a02\u95b1\u904e\u671f\u4e8b\u4ef6\u529f\u80fd\uff0c\u5be6\u73fe\u5c0d\u6578\u64da\u7684\u7cbe\u6e96\u63a7\u5236\u8207\u7ba1\u7406\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\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-125735","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125735","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=125735"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125735\/revisions"}],"predecessor-version":[{"id":125736,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/125735\/revisions\/125736"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=125735"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=125735"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=125735"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}