{"id":196788,"date":"2024-11-14T02:31:18","date_gmt":"2024-11-13T18:31:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/196788\/"},"modified":"2024-11-14T02:31:20","modified_gmt":"2024-11-13T18:31:20","slug":"%e9%87%8d%e6%96%b0%e7%aa%81%e7%a0%b4redis%e7%9a%84topic%ef%bc%88redis%e7%9a%84topic%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/196788\/","title":{"rendered":"\u91cd\u65b0\u7a81\u7834Redis\u7684Topic\uff08redis\u7684topic\uff09"},"content":{"rendered":"<h1 id=\"%e9%87%8d%e6%96%b0%e7%aa%81%e7%a0%b4redis%e7%9a%84topic%ef%bc%88redis%e7%9a%84topic%ef%bc%89-HHdFAzzLIe\">\u91cd\u65b0\u7a81\u7834Redis\u7684Topic\uff08redis\u7684topic\uff09<\/h1>\n<p>Redis\u662f\u4e00\u79cd\u5f00\u6e90\u7684\u5185\u5b58\u6570\u636e\u7ed3\u6784\u5b58\u50a8\u7cfb\u7edf\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f13\u5b58\u3001\u6d88\u606f\u961f\u5217\u548c\u5b9e\u65f6\u6570\u636e\u5206\u6790\u7b49\u573a\u666f\u3002\u5176\u9ad8\u6027\u80fd\u548c\u7075\u6d3b\u6027\u4f7f\u5f97Redis\u5728\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u89d2\u8272\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8Redis\u7684Topic\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u8fd9\u4e00\u5f3a\u5927\u7684\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%afredis%e7%9a%84topic%ef%bc%9f-HHdFAzzLIe\">\u4ec0\u4e48\u662fRedis\u7684Topic\uff1f<\/h2>\n<p>\u5728Redis\u4e2d\uff0cTopic\u901a\u5e38\u4e0e\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\uff08Pub\/Sub\uff09\u76f8\u5173\u8054\u3002\u53d1\u5e03\/\u8ba2\u9605\u662f\u4e00\u79cd\u6d88\u606f\u4f20\u9012\u6a21\u5f0f\uff0c\u5141\u8bb8\u6d88\u606f\u7684\u53d1\u9001\u8005\uff08\u53d1\u5e03\u8005\uff09\u4e0e\u63a5\u6536\u8005\uff08\u8ba2\u9605\u8005\uff09\u4e4b\u95f4\u8fdb\u884c\u89e3\u8026\u3002\u53d1\u5e03\u8005\u5c06\u6d88\u606f\u53d1\u9001\u5230\u4e00\u4e2a\u6216\u591a\u4e2aTopic\uff0c\u800c\u8ba2\u9605\u8005\u5219\u53ef\u4ee5\u8ba2\u9605\u8fd9\u4e9bTopic\u4ee5\u63a5\u6536\u6d88\u606f\u3002<\/p>\n<h3 id=\"%e5%8f%91%e5%b8%83-%e8%ae%a2%e9%98%85%e6%a8%a1%e5%bc%8f%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-HHdFAzzLIe\">\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>\u5728Redis\u4e2d\uff0c\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u7684\u5de5\u4f5c\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li><strong>\u53d1\u5e03\u8005\uff1a<\/strong>\u5c06\u6d88\u606f\u53d1\u9001\u5230\u7279\u5b9a\u7684Topic\u3002<\/li>\n<li><strong>Redis\u670d\u52a1\u5668\uff1a<\/strong>\u63a5\u6536\u6d88\u606f\u5e76\u5c06\u5176\u5206\u53d1\u7ed9\u6240\u6709\u8ba2\u9605\u4e86\u8be5Topic\u7684\u5ba2\u6237\u7aef\u3002<\/li>\n<li><strong>\u8ba2\u9605\u8005\uff1a<\/strong>\u63a5\u6536\u6765\u81eaRedis\u7684\u6d88\u606f\u5e76\u8fdb\u884c\u5904\u7406\u3002<\/li>\n<\/ol>\n<h3 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e5%91%bd%e4%bb%a4-HHdFAzzLIe\">Redis\u7684\u57fa\u672c\u547d\u4ee4<\/h3>\n<p>Redis\u63d0\u4f9b\u4e86\u4e00\u4e9b\u57fa\u672c\u547d\u4ee4\u6765\u652f\u6301\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\uff0c\u4ee5\u4e0b\u662f\u51e0\u4e2a\u5e38\u7528\u7684\u547d\u4ee4\uff1a<\/p>\n<ul>\n<li><code>PUBLISH<\/code>\uff1a\u7528\u4e8e\u5c06\u6d88\u606f\u53d1\u9001\u5230\u6307\u5b9a\u7684Topic\u3002<\/li>\n<li><code>SUBSCRIBE<\/code>\uff1a\u7528\u4e8e\u8ba2\u9605\u4e00\u4e2a\u6216\u591a\u4e2aTopic\uff0c\u4ee5\u63a5\u6536\u6d88\u606f\u3002<\/li>\n<li><code>UNSUBSCRIBE<\/code>\uff1a\u7528\u4e8e\u53d6\u6d88\u5bf9\u4e00\u4e2a\u6216\u591a\u4e2aTopic\u7684\u8ba2\u9605\u3002<\/li>\n<\/ul>\n<h4 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a0%81-HHdFAzzLIe\">\u793a\u4f8b\u4ee3\u7801<\/h4>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u529f\u80fd\uff1a<\/p>\n<pre><code>const redis = require('redis');\n\n\/\/ \u521b\u5efa\u53d1\u5e03\u8005\u548c\u8ba2\u9605\u8005\nconst publisher = redis.createClient();\nconst subscriber = redis.createClient();\n\n\/\/ \u8ba2\u9605Topic\nsubscriber.subscribe('news');\n\n\/\/ \u5904\u7406\u63a5\u6536\u5230\u7684\u6d88\u606f\nsubscriber.on('message', (channel, message) =&gt; {\n    console.log(`\u63a5\u6536\u5230\u6765\u81ea ${channel} \u7684\u6d88\u606f: ${message}`);\n});\n\n\/\/ \u53d1\u5e03\u6d88\u606f\nsetInterval(() =&gt; {\n    publisher.publish('news', '\u6700\u65b0\u6d88\u606f\uff1aRedis\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u793a\u4f8b');\n}, 5000);<\/code><\/pre>\n<h2 id=\"redis-topic%e7%9a%84%e5%ba%94%e7%94%a8%e5%9c%ba%e6%99%af-HHdFAzzLIe\">Redis Topic\u7684\u5e94\u7528\u573a\u666f<\/h2>\n<p>Redis\u7684Topic\u5728\u8bb8\u591a\u573a\u666f\u4e2d\u90fd\u80fd\u53d1\u6325\u91cd\u8981\u4f5c\u7528\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u5b9e\u65f6\u6d88\u606f\u63a8\u9001\uff1a<\/strong>\u5728\u793e\u4ea4\u5a92\u4f53\u6216\u5373\u65f6\u901a\u8baf\u5e94\u7528\u4e2d\uff0c\u7528\u6237\u53ef\u4ee5\u5b9e\u65f6\u63a5\u6536\u5230\u65b0\u6d88\u606f\u6216\u901a\u77e5\u3002<\/li>\n<li><strong>\u4e8b\u4ef6\u9a71\u52a8\u67b6\u6784\uff1a<\/strong>\u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u670d\u52a1\u4e4b\u95f4\u53ef\u4ee5\u901a\u8fc7\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u8fdb\u884c\u901a\u4fe1\uff0c\u589e\u5f3a\u7cfb\u7edf\u7684\u89e3\u8026\u6027\u3002<\/li>\n<li><strong>\u5b9e\u65f6\u6570\u636e\u5206\u6790\uff1a<\/strong>\u5728\u6570\u636e\u6d41\u5904\u7406\u7cfb\u7edf\u4e2d\uff0c\u5b9e\u65f6\u5206\u6790\u548c\u5904\u7406\u6570\u636e\u6d41\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-topic%e7%9a%84%e4%bc%98%e5%8a%bf%e4%b8%8e%e6%8c%91%e6%88%98-HHdFAzzLIe\">Redis Topic\u7684\u4f18\u52bf\u4e0e\u6311\u6218<\/h2>\n<p>\u4f7f\u7528Redis\u7684Topic\u6709\u8bb8\u591a\u4f18\u52bf\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u6311\u6218\uff1a<\/p>\n<h3 id=\"%e4%bc%98%e5%8a%bf-HHdFAzzLIe\">\u4f18\u52bf<\/h3>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u7684\u5185\u5b58\u5b58\u50a8\u7279\u6027\u4f7f\u5f97\u6d88\u606f\u4f20\u9012\u901f\u5ea6\u6781\u5feb\u3002<\/li>\n<li><strong>\u7075\u6d3b\u6027\uff1a<\/strong>\u652f\u6301\u591a\u79cd\u6d88\u606f\u4f20\u9012\u6a21\u5f0f\uff0c\u9002\u5e94\u4e0d\u540c\u7684\u5e94\u7528\u9700\u6c42\u3002<\/li>\n<li><strong>\u6613\u4e8e\u4f7f\u7528\uff1a<\/strong>\u7b80\u5355\u7684API\u548c\u547d\u4ee4\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u5feb\u901f\u4e0a\u624b\u3002<\/li>\n<\/ul>\n<h3 id=\"%e6%8c%91%e6%88%98-HHdFAzzLIe\">\u6311\u6218<\/h3>\n<ul>\n<li><strong>\u6d88\u606f\u4e22\u5931\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u8ba2\u9605\u8005\u672a\u80fd\u53ca\u65f6\u63a5\u6536\u6d88\u606f\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6d88\u606f\u4e22\u5931\u3002<\/li>\n<li><strong>\u7f3a\u4e4f\u6301\u4e45\u6027\uff1a<\/strong>Redis\u7684\u53d1\u5e03\/\u8ba2\u9605\u6a21\u5f0f\u4e0d\u652f\u6301\u6d88\u606f\u6301\u4e45\u5316\uff0c\u9002\u5408\u5bf9\u5b9e\u65f6\u6027\u8981\u6c42\u9ad8\u7684\u573a\u666f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%80%bb%e7%bb%93-HHdFAzzLIe\">\u603b\u7ed3<\/h2>\n<p>Redis\u7684Topic\u529f\u80fd\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u7684\u6d88\u606f\u4f20\u9012\u673a\u5236\uff0c\u9002\u7528\u4e8e\u591a\u79cd\u5e94\u7528\u573a\u666f\u3002\u901a\u8fc7\u7406\u89e3\u5176\u5de5\u4f5c\u539f\u7406\u548c\u57fa\u672c\u547d\u4ee4\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528\u8fd9\u4e00\u529f\u80fd\u6765\u6784\u5efa\u9ad8\u6027\u80fd\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u5bf9\u4e8e\u9700\u8981\u9ad8\u53ef\u7528\u6027\u548c\u7075\u6d3b\u6027\u7684\u7cfb\u7edf\uff0cRedis\u65e0\u7591\u662f\u4e00\u4e2a\u503c\u5f97\u8003\u8651\u7684\u9009\u62e9\u3002\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> 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