{"id":112649,"date":"2024-10-24T01:44:17","date_gmt":"2024-10-23T17:44:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/112649\/"},"modified":"2024-10-24T01:44:17","modified_gmt":"2024-10-23T17:44:17","slug":"redis-%e5%bf%ab%e5%8f%96%e9%81%8e%e6%9c%9f%e6%8e%a8%e5%87%ba%e5%8f%8a%e6%99%82%e9%80%9a%e7%9f%a5%e6%9c%8d%e5%8b%99","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/112649\/","title":{"rendered":"Redis \u5feb\u53d6\u904e\u671f\u63a8\u51fa\u53ca\u6642\u901a\u77e5\u670d\u52d9"},"content":{"rendered":"

Redis \u5feb\u53d6\u904e\u671f\u63a8\u51fa\u53ca\u6642\u901a\u77e5\u670d\u52d9<\/h1>\n

\u5728\u73fe\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u5feb\u53d6\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u7684\u91cd\u8981\u624b\u6bb5\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5feb\u53d6\u7cfb\u7d71\u4e2d\u3002\u672c\u6587\u5c07\u63a2\u8a0e Redis \u7684\u5feb\u53d6\u904e\u671f\u6a5f\u5236\u53ca\u5176\u5982\u4f55\u5be6\u73fe\u5373\u6642\u901a\u77e5\u670d\u52d9\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u597d\u5730\u7ba1\u7406\u5feb\u53d6\u6578\u64da\u3002<\/p>\n

Redis \u5feb\u53d6\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

Redis \u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u5176\u9ad8\u6548\u7684\u6027\u80fd\u4f7f\u5176\u6210\u70ba\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\u7684\u9996\u9078\u3002\u5feb\u53d6\u7684\u4e3b\u8981\u76ee\u7684\u662f\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u8b80\u53d6\u58d3\u529b\uff0c\u63d0\u5347\u61c9\u7528\u7684\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n

\u5feb\u53d6\u904e\u671f\u6a5f\u5236<\/h2>\n

\u5728 Redis \u4e2d\uff0c\u5feb\u53d6\u6578\u64da\u53ef\u4ee5\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u3002\u7576\u6578\u64da\u8d85\u904e\u8a2d\u5b9a\u7684\u904e\u671f\u6642\u9593\u5f8c\uff0cRedis \u6703\u81ea\u52d5\u5c07\u5176\u522a\u9664\u3002\u9019\u4e00\u6a5f\u5236\u4e0d\u50c5\u80fd\u5920\u91cb\u653e\u5167\u5b58\uff0c\u9084\u80fd\u78ba\u4fdd\u6578\u64da\u7684\u6642\u6548\u6027\u3002<\/p>\n

\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n

SET key value EX seconds<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u82e5\u8981\u5c07\u9375 “session” \u7684\u503c\u8a2d\u7f6e\u70ba “abc123″\uff0c\u4e26\u5728 60 \u79d2\u5f8c\u904e\u671f\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
SET session abc123 EX 60<\/code><\/pre>\n
\u5373\u6642\u901a\u77e5\u670d\u52d9\u7684\u5be6\u73fe<\/h2>\n
\u70ba\u4e86\u5728\u5feb\u53d6\u6578\u64da\u904e\u671f\u6642\u53ca\u6642\u901a\u77e5\u76f8\u95dc\u7cfb\u7d71\u6216\u7528\u6236\uff0cRedis \u63d0\u4f9b\u4e86\u767c\u5e03\/\u8a02\u95b1\uff08Pub\/Sub\uff09\u529f\u80fd\u3002\u9019\u4e00\u529f\u80fd\u5141\u8a31\u61c9\u7528\u7a0b\u5e8f\u5728\u7279\u5b9a\u4e8b\u4ef6\u767c\u751f\u6642\u63a5\u6536\u901a\u77e5\u3002<\/p>\n
\u4f7f\u7528 Redis \u7684 Keyspace Notifications<\/h3>\n
Redis \u7684 Keyspace Notifications \u5141\u8a31\u7528\u6236\u76e3\u807d\u9375\u7684\u4e8b\u4ef6\uff0c\u5305\u62ec\u904e\u671f\u4e8b\u4ef6\u3002\u8981\u555f\u7528\u6b64\u529f\u80fd\uff0c\u9700\u8981\u5728 Redis \u914d\u7f6e\u6587\u4ef6\u4e2d\u8a2d\u7f6e\uff1a<\/p>\n
notify-keyspace-events Ex<\/code><\/pre>\n
\u9019\u6a23\u8a2d\u7f6e\u5f8c\uff0c\u7576\u9375\u904e\u671f\u6642\uff0cRedis \u6703\u767c\u9001\u901a\u77e5\u5230\u6307\u5b9a\u7684\u983b\u9053\u3002\u958b\u767c\u8005\u53ef\u4ee5\u901a\u904e\u8a02\u95b1\u8a72\u983b\u9053\u4f86\u63a5\u6536\u904e\u671f\u901a\u77e5\u3002<\/p>\n
\u793a\u4f8b\u4ee3\u78bc<\/h4>\n
\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Python \u7684 Redis \u5ba2\u6236\u7aef\u4f86\u8a02\u95b1\u904e\u671f\u901a\u77e5\uff1a<\/p>\n
import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis()\n\n# \u8a02\u95b1\u904e\u671f\u901a\u77e5\np = r.pubsub()\np.subscribe('__keyevent@0__:expired')\n\n# \u76e3\u807d\u6d88\u606f\nfor message in p.listen():\n    if message['type'] == 'message':\n        print(f\"\u9375 {message['data']} \u5df2\u904e\u671f\")\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u7576\u67d0\u500b\u9375\u904e\u671f\u6642\uff0c\u7cfb\u7d71\u6703\u6253\u5370\u51fa\u8a72\u9375\u7684\u540d\u7a31\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9032\u884c\u76f8\u61c9\u7684\u8655\u7406\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
Redis \u7684\u5feb\u53d6\u904e\u671f\u6a5f\u5236\u548c\u5373\u6642\u901a\u77e5\u670d\u52d9\u70ba\u958b\u767c\u8005\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5de5\u5177\uff0c\u5e6b\u52a9\u4ed6\u5011\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5feb\u53d6\u6578\u64da\u3002\u901a\u904e\u5408\u7406\u8a2d\u7f6e\u904e\u671f\u6642\u9593\u548c\u4f7f\u7528 Keyspace Notifications\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u9ad8\u6548\u904b\u884c\u548c\u6578\u64da\u7684\u6642\u6548\u6027\u3002<\/p>\n
\u5c0d\u65bc\u9700\u8981\u9ad8\u6027\u80fd\u5feb\u53d6\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 \u9999\u6e2f VPS<\/a> \u670d\u52d9\u53ef\u4ee5\u9032\u4e00\u6b65\u63d0\u5347\u61c9\u7528\u7684\u7a69\u5b9a\u6027\u548c\u97ff\u61c9\u901f\u5ea6\u3002\u4e86\u89e3\u66f4\u591a\u95dc\u65bc \u4f3a\u670d\u5668<\/a> \u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Redis \u5feb\u53d6\u904e\u671f\u63a8\u51fa\u5373\u6642\u901a\u77e5\u670d\u52d9\uff0c\u78ba\u4fdd\u61c9\u7528\u7a0b\u5f0f\u80fd\u8fc5\u901f\u97ff\u61c9\u8cc7\u6599\u8b8a\u66f4\uff0c\u63d0\u5347\u6548\u80fd\u8207\u7528\u6236\u9ad4\u9a57\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-112649","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/112649","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=112649"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/112649\/revisions"}],"predecessor-version":[{"id":112650,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/112649\/revisions\/112650"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=112649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=112649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=112649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}