{"id":202015,"date":"2025-05-10T09:13:06","date_gmt":"2025-05-10T01:13:06","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202015\/"},"modified":"2025-05-10T09:13:06","modified_gmt":"2025-05-10T01:13:06","slug":"%e5%88%a9%e7%94%a8redis%e5%92%8cjavascript%e6%9e%84%e5%bb%ba%e5%ae%9e%e6%97%b6%e9%80%9a%e8%ae%af%e5%ba%94%e7%94%a8%ef%bc%9a%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e7%94%a8%e6%88%b7%e8%bf%9e%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202015\/","title":{"rendered":"\u5229\u7528Redis\u548cJavaScript\u6784\u5efa\u5b9e\u65f6\u901a\u8baf\u5e94\u7528\uff1a\u5982\u4f55\u5904\u7406\u7528\u6237\u8fde\u63a5"},"content":{"rendered":"

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

\u5229\u7528Redis\u548cJavaScript\u6784\u5efa\u5b9e\u65f6\u901a\u8baf\u5e94\u7528\uff1a\u5982\u4f55\u5904\u7406\u7528\u6237\u8fde\u63a5<\/h1>\n

\u5728\u6570\u636e\u5e93\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929golang\u5b66\u4e60\u7f51\u5c31\u6574\u7406\u5206\u4eab\u300a\u5229\u7528Redis\u548cJavaScript\u6784\u5efa\u5b9e\u65f6\u901a\u8baf\u5e94\u7528\uff1a\u5982\u4f55\u5904\u7406\u7528\u6237\u8fde\u63a5\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n

\u5229\u7528Redis\u548cJavaScript\u6784\u5efa\u5b9e\u65f6\u901a\u8baf\u5e94\u7528\uff1a\u5982\u4f55\u5904\u7406\u7528\u6237\u8fde\u63a5<\/p>\n

\u968f\u7740\u4e92\u8054\u7f51\u7684\u8fc5\u901f\u53d1\u5c55\uff0c\u5b9e\u65f6\u901a\u8baf\u5e94\u7528\u7684\u9700\u6c42\u8d8a\u6765\u8d8a\u591a\u3002\u5229\u7528Redis\u548cJavaScript\u53ef\u4ee5\u5f88\u597d\u5730\u6784\u5efa\u5b9e\u65f6\u901a\u8baf\u5e94\u7528\uff0c\u5b9e\u73b0\u5b9e\u65f6\u6d88\u606f\u6536\u53d1\u3001\u5728\u7ebf\u7528\u6237\u7ba1\u7406\u7b49\u529f\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5229\u7528Redis\u548cJavaScript\u5904\u7406\u7528\u6237\u8fde\u63a5\uff0c\u5b9e\u73b0\u5b9e\u65f6\u901a\u8baf\u5e94\u7528\u3002<\/p>\n

    \n
  1. \u5b89\u88c5\u548c\u914d\u7f6eRedis<\/li>\n<\/ol>\n

    \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5\u548c\u914d\u7f6eRedis\u670d\u52a1\u5668\u3002\u53ef\u4ee5\u4eceRedis\u5b98\u65b9\u7f51\u7ad9 (https:\/\/redis.io\/download) \u4e0b\u8f7d\u9002\u5408\u4f60\u7684\u64cd\u4f5c\u7cfb\u7edf\u7684Redis\u5b89\u88c5\u5305\uff0c\u7136\u540e\u6309\u7167\u5b98\u65b9\u6587\u6863\u8fdb\u884c\u5b89\u88c5\u548c\u914d\u7f6e\u3002<\/p>\n

      \n
    1. \u521b\u5efaJavaScript\u6587\u4ef6<\/li>\n<\/ol>\n

      \u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u4e00\u4e2aJavaScript\u6587\u4ef6\u6765\u5904\u7406\u7528\u6237\u8fde\u63a5\u3002\u6211\u4eec\u4f7f\u7528Node.js\u4f5c\u4e3a\u540e\u7aef\u73af\u5883\uff0c\u6240\u4ee5\u9700\u8981\u5148\u5b89\u88c5Node.js (https:\/\/nodejs.org\/)\u3002<\/p>\n

      \u5728\u521b\u5efa\u7684JavaScript\u6587\u4ef6\u4e2d\uff0c\u9996\u5148\u5f15\u5165\u6240\u9700\u7684\u6a21\u5757\uff1a<\/p>\n

      const express = require('express');\nconst http = require('http');\nconst socketio = require('socket.io');<\/pre>\n
      \u7136\u540e\uff0c\u521b\u5efaExpress\u5e94\u7528\uff0c\u7528\u4e8e\u5904\u7406HTTP\u8bf7\u6c42\uff1a<\/p>\n
      const app = express();\nconst server = http.createServer(app);\nconst io = socketio(server);<\/pre>\n
        \n
      1. \u5904\u7406\u7528\u6237\u8fde\u63a5<\/li>\n<\/ol>\n
        \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u5904\u7406\u7528\u6237\u8fde\u63a5\u3002\u5f53\u7528\u6237\u8fde\u63a5\u5230\u5e94\u7528\u65f6\uff0c\u6211\u4eec\u9700\u8981\u6267\u884c\u4e00\u7cfb\u5217\u64cd\u4f5c\u3002<\/p>\n
        \u9996\u5148\uff0c\u76d1\u542c\u7528\u6237\u8fde\u63a5\u4e8b\u4ef6\uff1a<\/p>\n
        io.on('connection', (socket) => {\n  \/\/ \u5904\u7406\u8fde\u63a5\u903b\u8f91\n});<\/pre>\n
        \u7136\u540e\uff0c\u5904\u7406\u8fde\u63a5\u903b\u8f91\u3002\u8fd9\u5305\u62ec\u7528\u6237\u52a0\u5165\/\u79bb\u5f00\u4e8b\u4ef6\u3001\u6d88\u606f\u6536\u53d1\u7b49\u529f\u80fd\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6dfb\u52a0\u4e00\u4e2a\u7b80\u5355\u7684\u804a\u5929\u5ba4\u529f\u80fd\u3002<\/p>\n
        \/\/ \u5b58\u50a8\u5728\u7ebf\u7528\u6237\u7684\u5217\u8868\nlet onlineUsers = [];\n\n\/\/ \u76d1\u542c\u7528\u6237\u52a0\u5165\u4e8b\u4ef6\nsocket.on('join', (user) => {\n  onlineUsers.push(user);\n  io.emit('userJoined', onlineUsers);\n});\n\n\/\/ \u76d1\u542c\u7528\u6237\u79bb\u5f00\u4e8b\u4ef6\nsocket.on('disconnect', () => {\n  onlineUsers = onlineUsers.filter((user) => user.id !== socket.id);\n  io.emit('userLeft', onlineUsers);\n});\n\n\/\/ \u76d1\u542c\u6d88\u606f\u53d1\u9001\u4e8b\u4ef6\nsocket.on('sendMessage', (message) => {\n  io.emit('newMessage', message);\n});<\/pre>\n
        \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u76d1\u542c\u7528\u6237\u53d1\u51fa\u7684\u4e8b\u4ef6\u6765\u5904\u7406\u8fde\u63a5\u903b\u8f91\u3002\u7528\u6237\u52a0\u5165\u65f6\uff0c\u6211\u4eec\u5c06\u5176\u52a0\u5165\u5728\u7ebf\u7528\u6237\u5217\u8868\u5e76\u901a\u77e5\u6240\u6709\u7528\u6237\uff1b\u7528\u6237\u79bb\u5f00\u65f6\uff0c\u6211\u4eec\u5c06\u5176\u4ece\u5728\u7ebf\u7528\u6237\u5217\u8868\u4e2d\u79fb\u9664\u5e76\u901a\u77e5\u6240\u6709\u7528\u6237\uff1b\u7528\u6237\u53d1\u9001\u6d88\u606f\u65f6\uff0c\u6211\u4eec\u5c06\u6d88\u606f\u53d1\u9001\u7ed9\u6240\u6709\u7528\u6237\u3002<\/p>\n
          \n
        1. \u4f7f\u7528Redis\u5b58\u50a8\u5728\u7ebf\u7528\u6237<\/li>\n<\/ol>\n
          \u4e3a\u4e86\u65b9\u4fbf\u7ba1\u7406\u5728\u7ebf\u7528\u6237\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u5b58\u50a8\u5728\u7ebf\u7528\u6237\u5217\u8868\u3002\u5728\u8fde\u63a5\u903b\u8f91\u4e2d\uff0c\u6211\u4eec\u5c06\u5728\u7ebf\u7528\u6237\u5217\u8868\u4fdd\u5b58\u5728Redis\u4e2d\uff0c\u5e76\u901a\u8fc7Redis\u5411\u6240\u6709\u7528\u6237\u5e7f\u64ad\u5728\u7ebf\u7528\u6237\u5217\u8868\u7684\u66f4\u65b0\u3002<\/p>\n
          \u9996\u5148\uff0c\u5b89\u88c5Redis\u6a21\u5757\uff1a<\/p>\n
          npm install redis<\/pre>\n
          \u7136\u540e\uff0c\u5728\u8fde\u63a5\u903b\u8f91\u7684\u5f00\u59cb\u5904\u6dfb\u52a0Redis\u7684\u8fde\u63a5\u4ee3\u7801\uff1a<\/p>\n
          const redis = require('redis');\nconst client = redis.createClient();\n\nclient.on('error', (err) => {\n  console.error(err);\n});\n\n\/\/ \u8fde\u63a5Redis\u670d\u52a1\u5668\u540e\u6267\u884c\u7684\u64cd\u4f5c\nclient.on('connect', () => {\n  \/\/ \u4eceRedis\u4e2d\u83b7\u53d6\u5728\u7ebf\u7528\u6237\u5217\u8868\n  client.smembers('onlineUsers', (err, reply) => {\n    if (err) throw err;\n    onlineUsers = reply;\n    io.emit('userJoined', onlineUsers);\n  });\n});\n\n\/\/ \u76d1\u542c\u7528\u6237\u52a0\u5165\u4e8b\u4ef6\nsocket.on('join', (user) => {\n  onlineUsers.push(user);\n  \/\/ \u5c06\u5728\u7ebf\u7528\u6237\u5217\u8868\u4fdd\u5b58\u5230Redis\u4e2d\n  client.sadd('onlineUsers', user, (err, reply) => {\n    if (err) throw err;\n    io.emit('userJoined', onlineUsers);\n  });\n});\n\n\/\/ \u76d1\u542c\u7528\u6237\u79bb\u5f00\u4e8b\u4ef6\nsocket.on('disconnect', () => {\n  onlineUsers = onlineUsers.filter((user) => user.id !== socket.id);\n  \/\/ \u4eceRedis\u4e2d\u5220\u9664\u79bb\u7ebf\u7528\u6237\n  client.srem('onlineUsers', socket.id, (err, reply) => {\n    if (err) throw err;\n    io.emit('userLeft', onlineUsers);\n  });\n});<\/pre>\n
          \u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u7528\u6237\u52a0\u5165\u548c\u79bb\u5f00\u65f6\uff0c\u5c06\u5728\u7ebf\u7528\u6237\u5217\u8868\u4fdd\u5b58\u5230Redis\u4e2d\uff0c\u5e76\u901a\u8fc7Redis\u83b7\u53d6\u5728\u7ebf\u7528\u6237\u5217\u8868\u3002<\/p>\n
            \n
          1. \u8fd0\u884c\u5e94\u7528<\/li>\n<\/ol>\n
            \u6700\u540e\uff0c\u6211\u4eec\u9700\u8981\u542f\u52a8\u5e94\u7528\u3002\u5728\u7ec8\u7aef\u4e2d\u8fdb\u5165\u5230JavaScript\u6587\u4ef6\u6240\u5728\u76ee\u5f55\uff0c\u5e76\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
            node \u6587\u4ef6\u540d.js<\/pre>\n
            \u7136\u540e\uff0c\u5e94\u7528\u5c31\u4f1a\u5728\u672c\u5730\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u3002\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee\u8be5\u670d\u52a1\u5668\uff0c\u5e76\u901a\u8fc7JavaScript\u4ee3\u7801\u8fde\u63a5\u5230\u670d\u52a1\u5668\u3002<\/p>\n
            \u81f3\u6b64\uff0c\u6211\u4eec\u5df2\u7ecf\u5229\u7528Redis\u548cJavaScript\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5b9e\u65f6\u901a\u8baf\u5e94\u7528\uff0c\u5e76\u4ecb\u7ecd\u4e86\u5982\u4f55\u5904\u7406\u7528\u6237\u8fde\u63a5\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u6784\u5efa\u66f4\u590d\u6742\u7684\u5b9e\u65f6\u901a\u8baf\u5e94\u7528\uff0c\u5b9e\u73b0\u66f4\u591a\u529f\u80fd\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n
            \n
            \n <\/dt>\n
            \n   MySQL\u4e2d\u5982\u4f55\u8fdb\u884c\u6570\u636e\u7684\u65f6\u5e8f\u5b58\u50a8\u548c\u67e5\u8be2\uff1f\n <\/dd>\n<\/dl>\n
            \n
            \n <\/dt>\n
            \n   Windows 11 Build 25915 OOBE \u4e2d\u5982\u4f55\u542f\u7528\u201c\u5b58\u5728\u611f\u6d4b\u201d\u9009\u9879\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
            \u5229\u7528Redis\u548cJavaScri...<\/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-202015","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202015","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=202015"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202015\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}