{"id":128657,"date":"2024-10-26T15:47:21","date_gmt":"2024-10-26T07:47:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128657\/"},"modified":"2024-10-26T15:47:21","modified_gmt":"2024-10-26T07:47:21","slug":"redis%e5%af%a6%e7%8f%be%e5%8d%b3%e6%99%82%e9%80%9a%e8%a8%8a%e8%81%8a%e5%a4%a9%e9%96%8b%e7%99%bc%e5%af%a6%e6%88%b0%ef%bc%88redis%e8%81%8a%e5%a4%a9%e9%96%8b%e7%99%bc%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128657\/","title":{"rendered":"Redis\u5be6\u73fe\u5373\u6642\u901a\u8a0a\u804a\u5929\u958b\u767c\u5be6\u6230\uff08redis\u804a\u5929\u958b\u767c\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e5%8d%b3%e6%99%82%e9%80%9a%e8%a8%8a%e8%81%8a%e5%a4%a9%e9%96%8b%e7%99%bc%e5%af%a6%e6%88%b0%ef%bc%88redis%e8%81%8a%e5%a4%a9%e9%96%8b%e7%99%bc%ef%bc%89-eUNIhhInJp\">Redis\u5be6\u73fe\u5373\u6642\u901a\u8a0a\u804a\u5929\u958b\u767c\u5be6\u6230\uff08redis\u804a\u5929\u958b\u767c\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u4f4d\u6642\u4ee3\uff0c\u5373\u6642\u901a\u8a0a\u61c9\u7528\u7a0b\u5f0f\u5df2\u6210\u70ba\u4eba\u5011\u65e5\u5e38\u751f\u6d3b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u793e\u4ea4\u5a92\u9ad4\u3001\u5546\u696d\u6e9d\u901a\u9084\u662f\u5ba2\u6236\u670d\u52d9\uff0c\u5feb\u901f\u4e14\u53ef\u9760\u7684\u5373\u6642\u901a\u8a0a\u7cfb\u7d71\u90fd\u81f3\u95dc\u91cd\u8981\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7d50\u69cb\u4f3a\u670d\u5668\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u6210\u70ba\u4e86\u958b\u767c\u5373\u6642\u901a\u8a0a\u804a\u5929\u7cfb\u7d71\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"redis%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-eUNIhhInJp\">Redis\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u662f\u4e00\u500b\u958b\u6e90\u7684\u9375\u503c\u6578\u64da\u5eab\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\u5b83\u7684\u9ad8\u6548\u6027\u80fd\u4e3b\u8981\u5f97\u76ca\u65bc\u5176\u5c07\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u4e26\u4e14\u652f\u6301\u6301\u4e45\u5316\u529f\u80fd\u3002\u9019\u4f7f\u5f97Redis\u5728\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u5834\u666f\u4e2d\u8868\u73fe\u51fa\u8272\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%e4%bd%9c%e7%82%ba%e5%8d%b3%e6%99%82%e9%80%9a%e8%a8%8a%e7%9a%84%e5%be%8c%e7%ab%af-eUNIhhInJp\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\u4f5c\u70ba\u5373\u6642\u901a\u8a0a\u7684\u5f8c\u7aef<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u80fd\u5920\u6bcf\u79d2\u8655\u7406\u6578\u5341\u842c\u6b21\u8acb\u6c42\uff0c\u9019\u5c0d\u65bc\u5373\u6642\u901a\u8a0a\u61c9\u7528\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<li><strong>\u652f\u6301Pub\/Sub\u6a21\u5f0f\uff1a<\/strong>Redis\u7684\u767c\u5e03\/\u8a02\u95b1\u529f\u80fd\u4f7f\u5f97\u6d88\u606f\u7684\u5373\u6642\u50b3\u905e\u8b8a\u5f97\u7c21\u55ae\u3002<\/li>\n<li><strong>\u6578\u64da\u6301\u4e45\u5316\uff1a<\/strong>\u5373\u4f7f\u5728\u7cfb\u7d71\u5d29\u6f70\u7684\u60c5\u6cc1\u4e0b\uff0cRedis\u4e5f\u80fd\u5920\u901a\u904e\u6301\u4e45\u5316\u6a5f\u5236\u4fdd\u8b77\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e5%8d%b3%e6%99%82%e9%80%9a%e8%a8%8a%e8%81%8a%e5%a4%a9%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-eUNIhhInJp\">\u5be6\u73fe\u5373\u6642\u901a\u8a0a\u804a\u5929\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e7%92%b0%e5%a2%83%e8%a8%ad%e7%bd%ae-eUNIhhInJp\">1. \u74b0\u5883\u8a2d\u7f6e<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88ddRedis\u4f3a\u670d\u5668\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u5728Linux\u7cfb\u7d71\u4e0a\u5b89\u88dd\uff1a<\/p>\n<pre><code>sudo apt-get update\nsudo apt-get install redis-server<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u555f\u52d5Redis\u670d\u52d9\uff1a<\/p>\n<pre><code>sudo service redis-server start<\/code><\/pre>\n<h3 id=\"2-%e5%bb%ba%e7%ab%8b%e5%9f%ba%e6%9c%ac%e7%9a%84%e8%81%8a%e5%a4%a9%e6%87%89%e7%94%a8-eUNIhhInJp\">2. \u5efa\u7acb\u57fa\u672c\u7684\u804a\u5929\u61c9\u7528<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u4f7f\u7528Node.js\u4f86\u5efa\u7acb\u4e00\u500b\u7c21\u55ae\u7684\u804a\u5929\u61c9\u7528\u3002\u9996\u5148\uff0c\u60a8\u9700\u8981\u5b89\u88dd\u5fc5\u8981\u7684\u4f9d\u8cf4\uff1a<\/p>\n<pre><code>npm install express redis socket.io<\/code><\/pre>\n<h3 id=\"3-%e7%b7%a8%e5%af%ab%e4%bc%ba%e6%9c%8d%e5%99%a8%e4%bb%a3%e7%a2%bc-eUNIhhInJp\">3. \u7de8\u5beb\u4f3a\u670d\u5668\u4ee3\u78bc<\/h3>\n<p>\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u4f3a\u670d\u5668\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>const express = require('express');\nconst http = require('http');\nconst socketIo = require('socket.io');\nconst redis = require('redis');\n\nconst app = express();\nconst server = http.createServer(app);\nconst io = socketIo(server);\nconst redisClient = redis.createClient();\n\nio.on('connection', (socket) =&gt; {\n    console.log('A user connected');\n\n    \/\/ \u8a02\u95b1Redis\u983b\u9053\n    redisClient.subscribe('chat');\n\n    \/\/ \u7576\u63a5\u6536\u5230\u6d88\u606f\u6642\uff0c\u5c07\u5176\u5ee3\u64ad\u5230\u6240\u6709\u9023\u63a5\u7684\u5ba2\u6236\u7aef\n    redisClient.on('message', (channel, message) =&gt; {\n        socket.emit('chat message', message);\n    });\n\n    \/\/ \u7576\u7528\u6236\u767c\u9001\u6d88\u606f\u6642\uff0c\u5c07\u5176\u767c\u4f48\u5230Redis\u983b\u9053\n    socket.on('chat message', (msg) =&gt; {\n        redisClient.publish('chat', msg);\n    });\n\n    socket.on('disconnect', () =&gt; {\n        console.log('User disconnected');\n    });\n});\n\nserver.listen(3000, () =&gt; {\n    console.log('Server is running on port 3000');\n});<\/code><\/pre>\n<h3 id=\"4-%e5%ae%a2%e6%88%b6%e7%ab%af%e4%bb%a3%e7%a2%bc-eUNIhhInJp\">4. \u5ba2\u6236\u7aef\u4ee3\u78bc<\/h3>\n<p>\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u5ba2\u6236\u7aef\u4ee3\u78bc\u793a\u4f8b\uff1a<\/p>\n<pre><code>&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n&lt;head&gt;\n    &lt;title&gt;Chat&lt;\/title&gt;\n    &lt;script src=\"\/socket.io\/socket.io.js\"&gt;&lt;\/script&gt;\n    &lt;script&gt;\n        var socket = io();\n        function sendMessage() {\n            var msg = document.getElementById('message').value;\n            socket.emit('chat message', msg);\n            document.getElementById('message').value = '';\n        }\n        socket.on('chat message', function(msg) {\n            var item = document.createElement('li');\n            item.textContent = msg;\n            document.getElementById('messages').appendChild(item);\n        });\n    &lt;\/script&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n    &lt;ul id=\"messages\"&gt;&lt;\/ul&gt;\n    &lt;input id=\"message\" autocomplete=\"off\"&gt;&lt;button onclick=\"sendMessage()\"&gt;Send&lt;\/button&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-eUNIhhInJp\">\u7e3d\u7d50<\/h2>\n<p>\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u5373\u6642\u901a\u8a0a\u804a\u5929\u7cfb\u7d71\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6027\u80fd\uff0c\u9084\u80fd\u7c21\u5316\u958b\u767c\u904e\u7a0b\u3002\u901a\u904eRedis\u7684Pub\/Sub\u529f\u80fd\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u6d88\u606f\u7684\u5373\u6642\u50b3\u905e\u3002\u96a8\u8457\u5373\u6642\u901a\u8a0a\u9700\u6c42\u7684\u589e\u9577\uff0c\u9078\u64c7\u5408\u9069\u7684\u6280\u8853\u5806\u68e7\u8b8a\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u5373\u6642\u901a\u8a0a\u7cfb\u7d71\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u5728\u5373\u6642\u901a\u8a0a\u804a\u5929\u958b\u767c\u4e2d\u7684\u61c9\u7528\uff0c\u5be6\u6230\u6848\u4f8b\u6559\u4f60\u5982\u4f55\u9ad8\u6548\u69cb\u5efa\u804a\u5929\u7cfb\u7d71\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-128657","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128657","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=128657"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128657\/revisions"}],"predecessor-version":[{"id":128658,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128657\/revisions\/128658"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}