{"id":171275,"date":"2024-11-07T01:23:18","date_gmt":"2024-11-06T17:23:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/171275\/"},"modified":"2024-11-07T01:23:19","modified_gmt":"2024-11-06T17:23:19","slug":"%e5%89%8d%e7%ab%af%e5%88%a9%e7%94%a8redis%e9%80%b2%e8%a1%8c%e7%99%bc%e5%b8%83%e8%a8%82%e9%96%b1%ef%bc%88%e5%89%8d%e7%ab%af%e5%81%9aredis%e7%99%bc%e5%b8%83%e8%a8%82%e9%96%b1%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/171275\/","title":{"rendered":"\u524d\u7aef\u5229\u7528Redis\u9032\u884c\u767c\u5e03\u8a02\u95b1\uff08\u524d\u7aef\u505aredis\u767c\u5e03\u8a02\u95b1\uff09"},"content":{"rendered":"<h1 id=\"%e5%89%8d%e7%ab%af%e5%88%a9%e7%94%a8redis%e9%80%b2%e8%a1%8c%e7%99%bc%e5%b8%83%e8%a8%82%e9%96%b1%ef%bc%88%e5%89%8d%e7%ab%af%e5%81%9aredis%e7%99%bc%e5%b8%83%e8%a8%82%e9%96%b1%ef%bc%89-DbZcquQyXj\">\u524d\u7aef\u5229\u7528Redis\u9032\u884c\u767c\u5e03\u8a02\u95b1\uff08\u524d\u7aef\u505aredis\u767c\u5e03\u8a02\u95b1\uff09<\/h1>\n<p>\u5728\u73fe\u4ee3\u7db2\u9801\u61c9\u7528\u4e2d\uff0c\u5be6\u6642\u6578\u64da\u66f4\u65b0\u5df2\u6210\u70ba\u4e00\u500b\u91cd\u8981\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u793e\u4ea4\u5a92\u9ad4\u3001\u5373\u6642\u901a\u8a0a\u9084\u662f\u5728\u7dda\u904a\u6232\uff0c\u524d\u7aef\u61c9\u7528\u90fd\u9700\u8981\u80fd\u5920\u5373\u6642\u63a5\u6536\u548c\u986f\u793a\u6578\u64da\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u767c\u5e03\/\u8a02\u95b1\uff08Pub\/Sub\uff09\u529f\u80fd\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5be6\u73fe\u9019\u4e00\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728\u524d\u7aef\u5229\u7528Redis\u9032\u884c\u767c\u5e03\u8a02\u95b1\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e7%99%bc%e5%b8%83-%e8%a8%82%e9%96%b1%e6%a9%9f%e5%88%b6-DbZcquQyXj\">Redis\u7684\u767c\u5e03\/\u8a02\u95b1\u6a5f\u5236<\/h2>\n<p>Redis\u7684\u767c\u5e03\/\u8a02\u95b1\u6a5f\u5236\u662f\u4e00\u7a2e\u6d88\u606f\u50b3\u905e\u6a21\u5f0f\uff0c\u5141\u8a31\u767c\u9001\u8005\uff08\u767c\u5e03\u8005\uff09\u5c07\u6d88\u606f\u767c\u9001\u5230\u4e00\u500b\u6216\u591a\u500b\u983b\u9053\uff0c\u800c\u63a5\u6536\u8005\uff08\u8a02\u95b1\u8005\uff09\u5247\u53ef\u4ee5\u8a02\u95b1\u9019\u4e9b\u983b\u9053\u4ee5\u63a5\u6536\u6d88\u606f\u3002\u9019\u7a2e\u6a21\u5f0f\u7684\u512a\u52e2\u5728\u65bc\u5b83\u7684\u89e3\u8026\u6027\uff0c\u767c\u5e03\u8005\u548c\u8a02\u95b1\u8005\u4e4b\u9593\u4e0d\u9700\u8981\u76f4\u63a5\u7684\u806f\u7e6b\uff0c\u9019\u4f7f\u5f97\u7cfb\u7d71\u7684\u64f4\u5c55\u6027\u548c\u9748\u6d3b\u6027\u5927\u5927\u63d0\u9ad8\u3002<\/p>\n<h3 id=\"%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-DbZcquQyXj\">\u57fa\u672c\u6982\u5ff5<\/h3>\n<ul>\n<li><strong>\u767c\u5e03\u8005\uff08Publisher\uff09<\/strong>: \u8ca0\u8cac\u767c\u9001\u6d88\u606f\u5230\u7279\u5b9a\u983b\u9053\u7684\u5be6\u9ad4\u3002<\/li>\n<li><strong>\u8a02\u95b1\u8005\uff08Subscriber\uff09<\/strong>: \u8ca0\u8cac\u63a5\u6536\u4f86\u81ea\u7279\u5b9a\u983b\u9053\u6d88\u606f\u7684\u5be6\u9ad4\u3002<\/li>\n<li><strong>\u983b\u9053\uff08Channel\uff09<\/strong>: \u6d88\u606f\u7684\u50b3\u905e\u901a\u9053\uff0c\u8a02\u95b1\u8005\u53ef\u4ee5\u8a02\u95b1\u4e00\u500b\u6216\u591a\u500b\u983b\u9053\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%a8%e5%89%8d%e7%ab%af%e5%af%a6%e7%8f%beredis%e7%99%bc%e5%b8%83%e8%a8%82%e9%96%b1-DbZcquQyXj\">\u5728\u524d\u7aef\u5be6\u73feRedis\u767c\u5e03\u8a02\u95b1<\/h2>\n<p>\u8981\u5728\u524d\u7aef\u5be6\u73feRedis\u7684\u767c\u5e03\u8a02\u95b1\u529f\u80fd\uff0c\u901a\u5e38\u9700\u8981\u4f7f\u7528WebSocket\u6216\u5176\u4ed6\u5be6\u6642\u901a\u4fe1\u6280\u8853\u4f86\u8207\u5f8c\u7aef\u9032\u884c\u4ea4\u4e92\u3002\u4ee5\u4e0b\u662f\u5be6\u73fe\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e8%a8%ad%e7%bd%aeredis%e6%9c%8d%e5%8b%99%e5%99%a8-DbZcquQyXj\">1. \u8a2d\u7f6eRedis\u670d\u52d9\u5668<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u4f60\u7684Redis\u670d\u52d9\u5668\u5df2\u7d93\u904b\u884c\u3002\u53ef\u4ee5\u4f7f\u7528Docker\u4f86\u5feb\u901f\u555f\u52d5\u4e00\u500bRedis\u5be6\u4f8b\uff1a<\/p>\n<pre><code>docker run --name redis -d -p 6379:6379 redis<\/code><\/pre>\n<h3 id=\"2-%e5%be%8c%e7%ab%af%e8%a8%ad%e7%bd%ae-DbZcquQyXj\">2. \u5f8c\u7aef\u8a2d\u7f6e<\/h3>\n<p>\u5728\u5f8c\u7aef\uff0c\u6211\u5011\u9700\u8981\u8a2d\u7f6e\u4e00\u500bNode.js\u670d\u52d9\u4f86\u8655\u7406Redis\u7684\u767c\u5e03\u548c\u8a02\u95b1\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>const express = require('express');\nconst http = require('http');\nconst WebSocket = require('ws');\nconst redis = require('redis');\n\nconst app = express();\nconst server = http.createServer(app);\nconst wss = new WebSocket.Server({ server });\nconst redisClient = redis.createClient();\n\nwss.on('connection', (ws) =&gt; {\n    const redisSubscriber = redis.createClient();\n    redisSubscriber.subscribe('my_channel');\n\n    redisSubscriber.on('message', (channel, message) =&gt; {\n        ws.send(message);\n    });\n\n    ws.on('close', () =&gt; {\n        redisSubscriber.quit();\n    });\n});\n\napp.post('\/publish', (req, res) =&gt; {\n    const message = req.body.message;\n    redisClient.publish('my_channel', message);\n    res.send('Message published');\n});\n\nserver.listen(3000, () =&gt; {\n    console.log('Server is running on port 3000');\n});<\/code><\/pre>\n<h3 id=\"3-%e5%89%8d%e7%ab%af%e8%a8%ad%e7%bd%ae-DbZcquQyXj\">3. \u524d\u7aef\u8a2d\u7f6e<\/h3>\n<p>\u5728\u524d\u7aef\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528WebSocket\u4f86\u63a5\u6536\u4f86\u81ea\u5f8c\u7aef\u7684\u6d88\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684HTML\u548cJavaScript\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n&lt;head&gt;\n    &lt;title&gt;Redis Pub\/Sub Example&lt;\/title&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;h1&gt;Redis Pub\/Sub Example&lt;\/h1&gt;\n    &lt;div id=\"messages\"&gt;&lt;\/div&gt;\n    &lt;script&gt;\n        const ws = new WebSocket('ws:\/\/localhost:3000');\n\n        ws.onmessage = (event) =&gt; {\n            const messagesDiv = document.getElementById('messages');\n            messagesDiv.innerHTML += '&lt;p&gt;' + event.data + '&lt;\/p&gt;';\n        };\n    &lt;\/script&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DbZcquQyXj\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u53ef\u4ee5\u5728\u524d\u7aef\u61c9\u7528\u4e2d\u5be6\u73feRedis\u7684\u767c\u5e03\u8a02\u95b1\u529f\u80fd\uff0c\u5f9e\u800c\u5be6\u73fe\u5be6\u6642\u6578\u64da\u66f4\u65b0\u3002\u9019\u7a2e\u6280\u8853\u4e0d\u50c5\u63d0\u9ad8\u4e86\u7528\u6236\u9ad4\u9a57\uff0c\u9084\u80fd\u5920\u6709\u6548\u5730\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0cRedis\u662f\u4e00\u500b\u7406\u60f3\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\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5728\u524d\u7aef\u5229\u7528Redis\u5be6\u73fe\u767c\u5e03\u8a02\u95b1\u529f\u80fd\uff0c\u63d0\u5347\u5373\u6642\u6578\u64da\u66f4\u65b0\u8207\u7528\u6236\u4e92\u52d5\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-171275","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171275","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=171275"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171275\/revisions"}],"predecessor-version":[{"id":171276,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/171275\/revisions\/171276"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=171275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=171275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=171275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}