{"id":202147,"date":"2025-05-10T13:24:31","date_gmt":"2025-05-10T05:24:31","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202147\/"},"modified":"2025-05-10T13:24:31","modified_gmt":"2025-05-10T05:24:31","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87redis%e5%92%8ckotlin%e5%ae%9e%e7%8e%b0%e4%ba%8b%e4%bb%b6%e9%a9%b1%e5%8a%a8%e7%9a%84%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202147\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7Redis\u548cKotlin\u5b9e\u73b0\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u901a\u8fc7Redis\u548cKotlin\u5b9e\u73b0\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f<\/h1>\n

golang\u5b66\u4e60\u7f51\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u5982\u4f55\u901a\u8fc7Redis\u548cKotlin\u5b9e\u73b0\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6570\u636e\u5e93<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

\u5982\u4f55\u901a\u8fc7Redis\u548cKotlin\u5b9e\u73b0\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f<\/p>\n

\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\u662f\u6307\u901a\u8fc7\u76d1\u542c\u548c\u54cd\u5e94\u4e8b\u4ef6\u6765\u5b8c\u6210\u4e1a\u52a1\u903b\u8f91\u7684\u4e00\u79cd\u8bbe\u8ba1\u6a21\u5f0f\u3002\u5b83\u5177\u6709\u677e\u8026\u5408\u3001\u53ef\u6269\u5c55\u548c\u9ad8\u6548\u7684\u7279\u70b9\uff0c\u9002\u7528\u4e8e\u5904\u7406\u5f02\u6b65\u4efb\u52a1\u548c\u9ad8\u5e76\u53d1\u573a\u666f\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u548cKotlin\u6765\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u4e8b\u4ef6\u9a71\u52a8\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u660e\u786e\u4f7f\u7528Redis\u4f5c\u4e3a\u4e8b\u4ef6\u6d88\u606f\u961f\u5217\u7684\u76ee\u7684\u3002Redis\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u5185\u5b58\u6570\u636e\u5b58\u50a8\u7cfb\u7edf\uff0c\u5177\u6709\u9ad8\u6027\u80fd\u3001\u9ad8\u53ef\u7528\u548c\u4e30\u5bcc\u7684\u6570\u636e\u7ed3\u6784\u652f\u6301\u3002\u5b83\u7684pub\/sub\u529f\u80fd\u80fd\u591f\u5b9e\u73b0\u6d88\u606f\u7684\u53d1\u5e03\u548c\u8ba2\u9605\uff0c\u5e76\u4e14\u652f\u6301\u591a\u4e2a\u6d88\u8d39\u8005\u5e76\u884c\u5904\u7406\u6d88\u606f\u3002\u8fd9\u4f7f\u5f97Redis\u6210\u4e3a\u4e00\u4e2a\u7406\u60f3\u7684\u4e8b\u4ef6\u6d88\u606f\u961f\u5217\u3002<\/p>\n

\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Kotlin\u8bed\u8a00\u7f16\u5199\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u3002Kotlin\u662f\u4e00\u79cd\u73b0\u4ee3\u5316\u7684\u9759\u6001\u7c7b\u578b\u8bed\u8a00\uff0c\u4e0eJava\u4e92\u64cd\u4f5c\u6027\u5f3a\uff0c\u5e76\u4e14\u5177\u6709\u8bb8\u591aJava\u6240\u4e0d\u5177\u5907\u7684\u8bed\u8a00\u7279\u6027\u3002\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Kotlin\u7684\u534f\u7a0b\u6765\u5b9e\u73b0\u5f02\u6b65\u4efb\u52a1\u7684\u8c03\u5ea6\u548c\u6267\u884c\u3002<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5f15\u5165Redis\u5ba2\u6237\u7aef\u5e93\uff0c\u4f8b\u5982Lettuce\u6216Jedis\u3002\u5728\u672c\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Lettuce\u4f5c\u4e3aRedis\u5ba2\u6237\u7aef\u3002<\/p>\n

import io.lettuce.core.RedisClient\nimport io.lettuce.core.RedisURI\nimport io.lettuce.core.pubsub.RedisPubSubListener\nimport io.lettuce.core.pubsub.StatefulRedisPubSubConnection\nimport io.lettuce.core.pubsub.api.async.RedisPubSubAsyncCommands\nimport kotlinx.coroutines.*\nimport java.time.Duration\n\nfun main() {\n    \/\/ \u521b\u5efaRedis\u8fde\u63a5\n    val redisURI = RedisURI.builder()\n        .withHost(\"localhost\")\n        .withPort(6379)\n        .withTimeout(Duration.ofSeconds(5))\n        .build()\n    val redisClient = RedisClient.create(redisURI)\n    val connection = redisClient.connectPubSub()\n\n    \/\/ \u521b\u5efa\u534f\u7a0b\u4f5c\u7528\u57df\n    runBlocking {\n        \/\/ \u6d88\u8d39\u8005\u534f\u7a0b\n        launch {\n            val listener = object : RedisPubSubListener<String, String> {\n                override fun message(channel: String?, message: String?) {\n                    println(\"\u63a5\u6536\u5230\u6d88\u606f\uff1a$message\")\n                    \/\/ TODO: \u5904\u7406\u6d88\u606f\u7684\u4e1a\u52a1\u903b\u8f91\n                }\n            }\n\n            val asyncCommands: RedisPubSubAsyncCommands<String, String> = connection.async()\n            asyncCommands.subscribe(\"event:topic\").await()\n            asyncCommands.addListener(listener)\n\n            \/\/ \u76d1\u542c\u6d88\u606f\n            while (isActive) {\n                delay(1000)\n            }\n\n            \/\/ \u53d6\u6d88\u8ba2\u9605\u548c\u5173\u95ed\u8fde\u63a5\n            asyncCommands.unsubscribe(\"event:topic\").await()\n            asyncCommands.removeListener(listener)\n            connection.close()\n            redisClient.shutdown()\n        }\n\n        \/\/ \u751f\u4ea7\u8005\u534f\u7a0b\n        launch {\n            val asyncCommands: RedisPubSubAsyncCommands<String, String> = connection.async()\n            var count = 0\n            while (isActive) {\n                count++\n                val message = \"\u4e8b\u4ef6\u6d88\u606f$count\"\n                asyncCommands.publish(\"event:topic\", message)\n                delay(1000)\n            }\n        }\n    }\n}<\/pre>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2aRedis\u8fde\u63a5\uff0c\u5e76\u5728\u534f\u7a0b\u4f5c\u7528\u57df\u4e2d\u542f\u52a8\u4e86\u4e24\u4e2a\u534f\u7a0b\uff1a\u6d88\u8d39\u8005\u534f\u7a0b\u548c\u751f\u4ea7\u8005\u534f\u7a0b\u3002<\/p>\n
\u6d88\u8d39\u8005\u534f\u7a0b\u4f7f\u7528RedisPubSubListener<\/code>\u63a5\u53e3\u5b9e\u73b0\u4e86\u5bf9Redis\u53d1\u5e03\u7684\u6d88\u606f\u7684\u76d1\u542c\uff0c\u5e76\u5728message<\/code>\u65b9\u6cd5\u4e2d\u5904\u7406\u6d88\u606f\u7684\u4e1a\u52a1\u903b\u8f91\u3002\u4f7f\u7528RedisPubSubAsyncCommands<\/code>\u63a5\u53e3\u53ef\u4ee5\u5f02\u6b65\u5730\u8fdb\u884c\u8ba2\u9605\u548c\u53d1\u5e03\u6d88\u606f\u7684\u64cd\u4f5c\u3002<\/p>\n
\u751f\u4ea7\u8005\u534f\u7a0b\u4e0d\u65ad\u5730\u53d1\u5e03\u4e8b\u4ef6\u6d88\u606f\u5230Redis\u7684event:topic<\/code>\u9891\u9053\u4e2d\uff0c\u5e76\u5728\u6bcf\u6b21\u53d1\u5e03\u540e\u5ef6\u8fdf1\u79d2\u3002<\/p>\n
\u6700\u540e\uff0c\u6211\u4eec\u901a\u8fc7runBlocking<\/code>\u51fd\u6570\u6765\u542f\u52a8\u534f\u7a0b\u4f5c\u7528\u57df\uff0c\u5e76\u5728\u4e3b\u51fd\u6570\u4e2d\u8fd0\u884c\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u4e8b\u4ef6\u9a71\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0c\u901a\u8fc7Redis\u548cKotlin\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5b9e\u73b0\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u6211\u4eec\u53ef\u4ee5\u5229\u7528Redis\u7684pub\/sub\u529f\u80fd\u6765\u5b9e\u73b0\u6d88\u606f\u7684\u53d1\u5e03\u548c\u8ba2\u9605\uff0c\u7136\u540e\u4f7f\u7528Kotlin\u7684\u534f\u7a0b\u6765\u5904\u7406\u5f02\u6b65\u4efb\u52a1\u3002\u8fd9\u79cd\u8bbe\u8ba1\u6a21\u5f0f\u4f7f\u5f97\u5e94\u7528\u7a0b\u5e8f\u5177\u6709\u9ad8\u5e76\u53d1\u3001\u4f4e\u5ef6\u8fdf\u548c\u9ad8\u53ef\u6269\u5c55\u6027\u7684\u7279\u70b9\u3002\u5e0c\u671b\u8fd9\u4e2a\u6587\u7ae0\u5bf9\u4f60\u5b66\u4e60\u548c\u5b9e\u8df5\u4e8b\u4ef6\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
\u53c2\u8003\u8d44\u6599\uff1a<\/p>\n
    \n
  • Lettuce\u5b98\u65b9\u6587\u6863\uff1ahttps:\/\/lettuce.io\/<\/li>\n
  • Kotlin\u5b98\u65b9\u6587\u6863\uff1ahttps:\/\/kotlinlang.org\/<\/li>\n<\/ul>\n
    \n
    \n <\/dt>\n
    \n   \u5982\u4f55\u5728MySQL\u4e2d\u4f7f\u7528\u5206\u5e03\u5f0f\u4e8b\u52a1\u6765\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\uff1f\n <\/dd>\n<\/dl>\n
    \n
    \n <\/dt>\n
    \n   MySQL\u548cPerl\uff1a\u5982\u4f55\u5b9e\u73b0\u6570\u636e\u5907\u4efd\u548c\u6062\u590d\u529f\u80fd\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u5982\u4f55\u901a\u8fc7Redis\u548cKotlin...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-202147","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202147","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202147"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202147\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}