{"id":32424,"date":"2024-11-25T16:57:28","date_gmt":"2024-11-25T08:57:28","guid":{"rendered":"https:\/\/fwq.ai\/blog\/32424\/"},"modified":"2024-11-25T16:57:28","modified_gmt":"2024-11-25T08:57:28","slug":"%e4%bd%bf%e7%94%a8node-js%e7%9a%84readline%e5%92%8csocket-io%e5%ae%9e%e7%8e%b0%e5%ae%9e%e6%97%b6%e8%81%8a%e5%a4%a9","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/32424\/","title":{"rendered":"\u4f7f\u7528Node.js\u7684Readline\u548cSocket.io\u5b9e\u73b0\u5b9e\u65f6\u804a\u5929"},"content":{"rendered":"<\/p>\n

\"\u4f7f\u7528Node.js\u7684Readline\u548cSocket.io\u5b9e\u73b0\u5b9e\u65f6\u804a\u5929\u63d2\u56fe\"<\/p>\n

Node.js \u5728\u5176\u6807\u51c6\u5e93\u4e2d\u6709\u4e00\u4e2a\u672a\u88ab\u5145\u5206\u91cd\u89c6\u7684\u6a21\u5757\uff0c\u4f46\u5374\u975e\u5e38\u6709\u7528\u3002 Readline \u6a21\u5757\u6309\u7167\u5305\u88c5\u76d2\u4e0a\u7684\u8bf4\u660e\u6267\u884c\u64cd\u4f5c\uff1a\u4ece\u7ec8\u7aef\u8bfb\u53d6\u4e00\u884c\u8f93\u5165\u3002\u8fd9\u53ef\u7528\u4e8e\u8be2\u95ee\u7528\u6237\u4e00\u4e24\u4e2a\u95ee\u9898\uff0c\u6216\u5728\u5c4f\u5e55\u5e95\u90e8\u521b\u5efa\u63d0\u793a\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u6253\u7b97\u5c55\u793a Readline \u7684\u529f\u80fd\u5e76\u5236\u4f5c\u4e00\u4e2a\u7531 Socket.io \u652f\u6301\u7684\u5b9e\u65f6 CLI \u804a\u5929\u5ba4\u3002\u5ba2\u6237\u7aef\u4e0d\u4ec5\u53ef\u4ee5\u53d1\u9001\u7b80\u5355\u7684\u6d88\u606f\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528 \/me \u53d1\u9001\u8868\u60c5\u547d\u4ee4\uff0c\u4f7f\u7528 \/msg \u53d1\u9001\u79c1\u4eba\u6d88\u606f\uff0c\u5e76\u5141\u8bb8\u4f7f\u7528 \/nick\u3002<\/p>\n<\/p>\n

\u5173\u4e8e Readline \u7684\u4e00\u70b9<\/h2>\n

\u8fd9\u53ef\u80fd\u662f Readline \u6700\u7b80\u5355\u7684\u7528\u6cd5\uff1a<\/p>\n

var readline = require('readline');\n\nvar rl = readline.createInterface(process.stdin, process.stdout);\n\nrl.question(\"What is your name? \", function(answer) {\n\tconsole.log(\"Hello, \" + answer );\n\trl.close();\n});\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u6211\u4eec\u5305\u542b\u8be5\u6a21\u5757\uff0c\u4f7f\u7528\u6807\u51c6\u8f93\u5165\u548c\u8f93\u51fa\u6d41\u521b\u5efa Readline \u63a5\u53e3\uff0c\u7136\u540e\u5411\u7528\u6237\u8be2\u95ee\u4e00\u4e2a\u4e00\u6b21\u6027\u95ee\u9898\u3002\u8fd9\u662fReadline\u7684\u7b2c\u4e00\u4e2a\u7528\u6cd5\uff1a\u63d0\u95ee\u3002\u5982\u679c\u60a8\u9700\u8981\u4e0e\u7528\u6237\u786e\u8ba4\u67d0\u4e9b\u5185\u5bb9\uff0c\u53ef\u80fd\u91c7\u7528\u6d41\u884c\u7684\u5f62\u5f0f\uff0c\u201c\u60a8\u60f3\u8fd9\u6837\u505a\u5417\uff1f\uff08y\/n\uff09\u201d\uff0c\u8fd9\u79cd\u5f62\u5f0f\u666e\u904d\u5b58\u5728\u4e8e CLI \u5de5\u5177\u4e2d\uff0creadline.question () \u5c31\u662f\u8fd9\u6837\u505a\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
Readline \u63d0\u4f9b\u7684\u53e6\u4e00\u4e2a\u529f\u80fd\u662f\u63d0\u793a\uff0c\u53ef\u4ee5\u6839\u636e\u5176\u9ed8\u8ba4\u7684\u201c><\/b>\u201d\u5b57\u7b26\u8fdb\u884c\u81ea\u5b9a\u4e49\uff0c\u5e76\u6682\u65f6\u6682\u505c\u4ee5\u9632\u6b62\u8f93\u5165\u3002\u5bf9\u4e8e\u6211\u4eec\u7684 Readline \u804a\u5929\u5ba2\u6237\u7aef\uff0c\u8fd9\u5c06\u662f\u6211\u4eec\u7684\u4e3b\u8981\u754c\u9762\u3002\u5c06\u4f1a\u51fa\u73b0\u4e00\u6b21 readline.question() \u6765\u8be2\u95ee\u7528\u6237\u6635\u79f0\uff0c\u4f46\u5176\u4ed6\u6240\u6709\u5185\u5bb9\u90fd\u5c06\u662f readline.prompt()\u3002<\/p>\n<\/p>\n
\u7ba1\u7406\u60a8\u7684\u4f9d\u8d56\u9879<\/h2>\n
\u8ba9\u6211\u4eec\u4ece\u65e0\u804a\u7684\u90e8\u5206\u5f00\u59cb\uff1a\u4f9d\u8d56\u5173\u7cfb\u3002\u8be5\u9879\u76ee\u5c06\u4f7f\u7528 socket.io\u3001socket.io-client \u5305\u548c ansi-color\u3002\u60a8\u7684 packages.json \u6587\u4ef6\u5e94\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
{\n    \"name\": \"ReadlineChatExample\",\n\t\"version\": \"1.0.0\",\n\t\"description\": \"CLI chat with readline and socket.io\",\n\t\"author\": \"Matt Harzewski\",\n\t\"dependencies\": {\n\t\t\"socket.io\": \"latest\",\n\t\t\"socket.io-client\": \"latest\",\n\t\t\"ansi-color\": \"latest\"\n\t},\n\t\"private\": true\n}\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u8fd0\u884c npm install \u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n<\/p>\n
\u670d\u52a1\u5668<\/h2>\n
\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u4e00\u4e2a\u975e\u5e38\u7b80\u5355\u7684 Socket.io \u670d\u52a1\u5668\u3002\u6ca1\u6709\u6bd4\u8fd9\u66f4\u57fa\u672c\u7684\u4e86\uff1a<\/p>\n
var socketio = require('socket.io');\n\n\/\/ Listen on port 3636\nvar io = socketio.listen(3636);\n\nio.sockets.on('connection', function (socket) {\n\n    \/\/ Broadcast a user's message to everyone else in the room\n\tsocket.on('send', function (data) {\n\t\tio.sockets.emit('message', data);\n    });\n\n});\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5b83\u6240\u505a\u7684\u53ea\u662f\u4ece\u4e00\u4e2a\u5ba2\u6237\u7aef\u63a5\u6536\u4f20\u5165\u6d88\u606f\u5e76\u5c06\u5176\u4f20\u9012\u7ed9\u5176\u4ed6\u6240\u6709\u4eba\u3002\u5bf9\u4e8e\u66f4\u5927\u89c4\u6a21\u7684\u5e94\u7528\u7a0b\u5e8f\u6765\u8bf4\uff0c\u670d\u52a1\u5668\u53ef\u80fd\u4f1a\u66f4\u52a0\u5065\u58ee\uff0c\u4f46\u5bf9\u4e8e\u8fd9\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u6765\u8bf4\uff0c\u5b83\u5e94\u8be5\u8db3\u591f\u4e86\u3002<\/p>\n<\/p>\n
\u8fd9\u5e94\u8be5\u4fdd\u5b58\u5728\u9879\u76ee\u76ee\u5f55\u4e2d\uff0c\u540d\u79f0\u4e3a server.js\u3002<\/p>\n<\/p>\n
\u5ba2\u6237\u7aef\uff1a\u5305\u62ec\u548c\u8bbe\u7f6e<\/h2>\n<\/p>\n
\u5728\u6211\u4eec\u5f00\u59cb\u6709\u8da3\u7684\u90e8\u5206\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5305\u542b\u6211\u4eec\u7684\u4f9d\u8d56\u9879\uff0c\u5b9a\u4e49\u4e00\u4e9b\u53d8\u91cf\uff0c\u5e76\u542f\u52a8 Readline \u63a5\u53e3\u548c\u5957\u63a5\u5b57\u8fde\u63a5\u3002<\/p>\n
var readline = require('readline'),\nsocketio = require('socket.io-client'),\nutil = require('util'),\ncolor = require(\"ansi-color\").set;\n\n\nvar nick;\nvar socket = socketio.connect('localhost', { port: 3636 });\nvar rl = readline.createInterface(process.stdin, process.stdout);\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u6b64\u65f6\uff0c\u4ee3\u7801\u51e0\u4e4e\u662f\u4e0d\u8a00\u81ea\u660e\u7684\u3002\u6211\u4eec\u5df2\u7ecf\u6709\u4e86\u6635\u79f0\u53d8\u91cf\u3001\u5957\u63a5\u5b57\u8fde\u63a5\uff08\u901a\u8fc7 socket.io-client \u5305\uff09\u548c Readline \u63a5\u53e3\u3002<\/p>\n
\u5728\u6b64\u793a\u4f8b\u4e2d\uff0cSocket.io \u5c06\u901a\u8fc7\u7aef\u53e3 3636 \u8fde\u63a5\u5230\u672c\u5730\u4e3b\u673a\uff0c\u5f53\u7136\uff0c\u5982\u679c\u60a8\u6b63\u5728\u5236\u4f5c\u751f\u4ea7\u804a\u5929\u5e94\u7528\u7a0b\u5e8f\uff0c\u8fd9\u5c06\u66f4\u6539\u4e3a\u60a8\u81ea\u5df1\u7684\u670d\u52a1\u5668\u7684\u57df\u548c\u7aef\u53e3\u3002 \uff08\u4e0e\u81ea\u5df1\u804a\u5929\u6ca1\u6709\u591a\u5927\u610f\u4e49\uff01\uff09<\/p>\n
\u5ba2\u6237\u7aef\uff1a\u8be2\u95ee\u7528\u6237\u540d<\/h2>\n<\/p>\n
\u73b0\u5728\u6211\u4eec\u7b2c\u4e00\u6b21\u4f7f\u7528 Readline\uff01\u6211\u4eec\u60f3\u8be2\u95ee\u7528\u6237\u9009\u62e9\u7684\u6635\u79f0\uff0c\u8fd9\u5c06\u5728\u804a\u5929\u5ba4\u4e2d\u8bc6\u522b\u4ed6\u4eec\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u5c06\u4f7f\u7528 Readline \u7684 question() \u65b9\u6cd5\u3002<\/p>\n
\/\/ Set the username\nrl.question(\"Please enter a nickname: \", function(name) {\n    nick = name;\n\tvar msg = nick + \" has joined the chat\";\n\tsocket.emit('send', { type: 'notice', message: msg });\n\trl.prompt(true);\n});\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u6211\u4eec\u5c06\u4e4b\u524d\u7684 nick \u53d8\u91cf\u8bbe\u7f6e\u4e3a\u4ece\u7528\u6237\u6536\u96c6\u7684\u503c\uff0c\u5411\u670d\u52a1\u5668\u53d1\u9001\u4e00\u6761\u6d88\u606f\uff08\u8be5\u6d88\u606f\u5c06\u8f6c\u53d1\u5230\u5176\u4ed6\u5ba2\u6237\u7aef\uff09\u6211\u4eec\u7684\u7528\u6237\u5df2\u52a0\u5165\u804a\u5929\uff0c\u7136\u540e\u5c06 Readline \u754c\u9762\u5207\u6362\u56de\u63d0\u793a\u6a21\u5f0f\u3002\u4f20\u9012\u7ed9 prompt() \u7684 true \u503c\u53ef\u786e\u4fdd\u6b63\u786e\u663e\u793a\u63d0\u793a\u7b26\u3002 \uff08\u5426\u5219\u5149\u6807\u53ef\u80fd\u4f1a\u79fb\u52a8\u5230\u8be5\u884c\u7684\u96f6\u4f4d\u7f6e\uff0c\u5e76\u4e14\u4e0d\u4f1a\u663e\u793a\u201c><\/b>\u201d\u3002\uff09<\/p>\n<\/p>\n
\u4e0d\u5e78\u7684\u662f\uff0cReadline \u5728 prompt() \u65b9\u6cd5\u65b9\u9762\u5b58\u5728\u4ee4\u4eba\u6cae\u4e27\u7684\u95ee\u9898\u3002\u5b83\u4e0e console.log() \u914d\u5408\u5f97\u4e0d\u592a\u597d\uff0c\u5b83\u4f1a\u5c06\u6587\u672c\u8f93\u51fa\u5230\u4e0e\u63d0\u793a\u5b57\u7b26\u76f8\u540c\u7684\u884c\uff0c\u4ece\u800c\u5728\u5404\u5904\u7559\u4e0b\u6742\u6563\u7684\u201c><\/b>\u201d\u5b57\u7b26\u548c\u5176\u4ed6\u5b57\u7b26\u602a\u5f02\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u4e0d\u4f1a\u5728\u6b64\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u4efb\u4f55\u4f4d\u7f6e\u4f7f\u7528 console.log\uff0c\u4ec5\u4fdd\u7559\u4e00\u4e2a\u4f4d\u7f6e\u3002\u76f8\u53cd\uff0c\u8f93\u51fa\u5e94\u8be5\u4f20\u9012\u7ed9\u6b64\u51fd\u6570\uff1a<\/p>\n
function console_out(msg) {\n    process.stdout.clearLine();\n\tprocess.stdout.cursorTo(0);\n\tconsole.log(msg);\n\trl.prompt(true);\n}\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u8fd9\u4e2a\u7a0d\u5fae<\/i>\u7684hacky\u89e3\u51b3\u65b9\u6848\u53ef\u786e\u4fdd\u63a7\u5236\u53f0\u4e2d\u7684\u5f53\u524d\u884c\u4e3a\u7a7a\uff0c\u5e76\u4e14\u5728\u6253\u5370\u8f93\u51fa\u4e4b\u524d\u5149\u6807\u4f4d\u4e8e\u96f6\u4f4d\u7f6e\u3002\u7136\u540e\u5b83\u660e\u786e\u8981\u6c42\u518d\u6b21\u8f93\u51fa\u63d0\u793a\u3002<\/p>\n<\/p>\n
\u56e0\u6b64\uff0c\u5728\u672c\u6559\u7a0b\u7684\u5176\u4f59\u90e8\u5206\u4e2d\uff0c\u60a8\u5c06\u770b\u5230 console_out() \u800c\u4e0d\u662f console.log()\u3002<\/p>\n
\u5ba2\u6237\u7aef\uff1a\u5904\u7406\u8f93\u5165<\/h2>\n<\/p>\n
\u7528\u6237\u53ef\u4ee5\u8f93\u5165\u4e24\u79cd\u7c7b\u578b\u7684\u8f93\u5165\uff1a\u804a\u5929\u548c\u547d\u4ee4\u3002\u6211\u4eec\u77e5\u9053\u547d\u4ee4\u524d\u9762\u6709\u659c\u6760\uff0c\u56e0\u6b64\u5f88\u5bb9\u6613\u533a\u5206\u4e24\u8005\u3002<\/p>\n<\/p>\n
Readline \u6709\u51e0\u4e2a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u4f46\u6700\u91cd\u8981\u7684\u65e0\u7591\u662f line\u3002\u6bcf\u5f53\u5728\u8f93\u5165\u6d41\u4e2d\u68c0\u6d4b\u5230\u6362\u884c\u7b26\uff08\u901a\u8fc7 return \u6216 Enter \u952e\uff09\u65f6\uff0c\u5c31\u4f1a\u89e6\u53d1\u6b64\u4e8b\u4ef6\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u4e3a\u6211\u4eec\u7684\u8f93\u5165\u5904\u7406\u7a0b\u5e8f\u6302\u94a9 line\u3002<\/p>\n
rl.on('line', function (line) {\n    if (line[0] == \"\/\" &amp;&amp; line.length &gt; 1) {\n\t\tvar cmd = line.match(\/[a-z]+\/)[0];\n\t\tvar arg = line.substr(cmd.length+2, line.length);\n\t\tchat_command(cmd, arg);\n\n\t} else {\n\t\t\/\/ send chat message\n\t\tsocket.emit('send', { type: 'chat', message: line, nick: nick });\n\t\trl.prompt(true);\n\t}\n});\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5982\u679c\u8f93\u5165\u884c\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u662f\u659c\u6760\uff0c\u6211\u4eec\u5c31\u77e5\u9053\u8fd9\u662f\u4e00\u4e2a\u547d\u4ee4\uff0c\u8fd9\u5c06\u9700\u8981\u66f4\u591a\u7684\u5904\u7406\u3002\u5426\u5219\uff0c\u6211\u4eec\u53ea\u662f\u53d1\u9001\u5e38\u89c4\u804a\u5929\u6d88\u606f\u5e76\u91cd\u7f6e\u63d0\u793a\u3002\u8bf7\u6ce8\u610f\u6b64\u5904\u901a\u8fc7\u5957\u63a5\u5b57\u53d1\u9001\u7684\u6570\u636e\u4e0e\u4e0a\u4e00\u6b65\u4e2d\u7684\u52a0\u5165\u6d88\u606f\u4e4b\u95f4\u7684\u5dee\u5f02\u3002\u5b83\u4f7f\u7528\u4e0d\u540c\u7684 type\uff0c\u56e0\u6b64\u63a5\u6536\u5ba2\u6237\u7aef\u77e5\u9053\u5982\u4f55\u683c\u5f0f\u5316\u6d88\u606f\uff0c\u5e76\u4e14\u6211\u4eec\u8fd8\u4f20\u9012 nick \u53d8\u91cf\u3002<\/p>\n<\/p>\n
\u547d\u4ee4\u540d\u79f0\uff08cmd\uff09\u548c\u540e\u9762\u7684\u6587\u672c\uff08arg\uff09\u7528\u4e00\u4e9b\u6b63\u5219\u8868\u8fbe\u5f0f\u548c\u5b50\u5b57\u7b26\u4e32\u9b54\u672f\u9694\u79bb\uff0c\u7136\u540e\u6211\u4eec\u5c06\u5b83\u4eec\u4f20\u9012\u7ed9\u5904\u7406\u51fd\u6570\u547d\u4ee4\u3002<\/p>\n
function chat_command(cmd, arg) {\n    switch (cmd) {\n\n\t\tcase 'nick':\n\t\t\tvar notice = nick + \" changed their name to \" + arg;\n\t\t\tnick = arg;\n\t\t\tsocket.emit('send', { type: 'notice', message: notice });\n\t\t\tbreak;\n\n\t\tcase 'msg':\n\t\t\tvar to = arg.match(\/[a-z]+\/)[0];\n\t\t\tvar message = arg.substr(to.length, arg.length);\n\t\t\tsocket.emit('send', { type: 'tell', message: message, to: to, from: nick });\n\t\t\tbreak;\n\n\t\tcase 'me':\n\t\t\tvar emote = nick + \" \" + arg;\n\t\t\tsocket.emit('send', { type: 'emote', message: emote });\n\t\t\tbreak;\n\n\t\tdefault:\n\t\t\tconsole_out(\"That is not a valid command.\");\n\n\t}\n}\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5982\u679c\u7528\u6237\u8f93\u5165 \/nick gollum\uff0c\u5219 nick \u53d8\u91cf\u5c06\u91cd\u7f6e\u4e3a gollum\uff0c\u5b83\u53ef\u80fd\u662f smeagol \u4e4b\u524d\uff0c\u5e76\u5c06\u901a\u77e5\u63a8\u9001\u5230\u670d\u52a1\u5668\u3002<\/p>\n
\u5982\u679c\u7528\u6237\u8f93\u5165 \/msg bilbo \u73cd\u8d35\u5728\u54ea\u91cc\uff1f\uff0c\u4f7f\u7528\u76f8\u540c\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u5206\u9694\u63a5\u6536\u8005\u548c\u6d88\u606f\uff0c\u7136\u540e\u662f\u4e00\u4e2a\u7c7b\u578b\u4e3a tell \u88ab\u63a8\u9001\u5230\u670d\u52a1\u5668\u3002\u8fd9\u5c06\u4e0e\u666e\u901a\u6d88\u606f\u7684\u663e\u793a\u65b9\u5f0f\u7565\u6709\u4e0d\u540c\uff0c\u5e76\u4e14\u5176\u4ed6\u7528\u6237\u4e0d\u5e94\u8be5\u770b\u5230\u3002\u8bda\u7136\uff0c\u6211\u4eec\u8fc7\u4e8e\u7b80\u5355\u7684\u670d\u52a1\u5668\u4f1a\u76f2\u76ee\u5730\u5c06\u6d88\u606f\u63a8\u9001\u7ed9\u6bcf\u4e2a\u4eba\uff0c\u4f46\u5ba2\u6237\u7aef\u4f1a\u5ffd\u7565\u672a\u53d1\u9001\u5230\u6b63\u786e\u6635\u79f0\u7684\u901a\u77e5\u3002\u66f4\u5f3a\u5927\u7684\u670d\u52a1\u5668\u53ef\u4ee5\u66f4\u52a0\u79bb\u6563\u3002<\/p>\n<\/p>\n
\u8868\u60c5\u547d\u4ee4\u7684\u4f7f\u7528\u5f62\u5f0f\u4e3a\/\u6211\u6b63\u5728\u5403\u7b2c\u4e8c\u987f\u65e9\u9910\u3002\u6635\u79f0\u4ee5\u4efb\u4f55\u4f7f\u7528\u8fc7 IRC \u6216\u73a9\u8fc7\u591a\u4eba\u89d2\u8272\u626e\u6f14\u6e38\u620f\u7684\u4eba\u90fd\u5e94\u8be5\u719f\u6089\u7684\u65b9\u5f0f\u6dfb\u52a0\u5230\u8868\u60c5\u7b26\u53f7\u4e2d\uff0c\u7136\u540e\u5c06\u5176\u63a8\u9001\u5230\u670d\u52a1\u5668\u3002<\/p>\n<\/p>\n
\u5ba2\u6237\u7aef\uff1a\u5904\u7406\u4f20\u5165\u6d88\u606f<\/h2>\n<\/p>\n
\u73b0\u5728\u5ba2\u6237\u7aef\u9700\u8981\u4e00\u79cd\u63a5\u6536\u6d88\u606f\u7684\u65b9\u6cd5\u3002\u6211\u4eec\u9700\u8981\u505a\u7684\u5c31\u662f\u6302\u94a9 Socket.io \u5ba2\u6237\u7aef\u7684 message \u4e8b\u4ef6\u5e76\u9002\u5f53\u5730\u683c\u5f0f\u5316\u6570\u636e\u4ee5\u8fdb\u884c\u8f93\u51fa\u3002<\/p>\n
socket.on('message', function (data) {\n    var leader;\n\tif (data.type == 'chat' &amp;&amp; data.nick != nick) {\n\t\tleader = color(\" \", \"green\");\n\t\tconsole_out(leader + data.message);\n\t}\n\telse if (data.type == \"notice\") {\n\t\tconsole_out(color(data.message, 'cyan'));\n\t}\n\telse if (data.type == \"tell\" &amp;&amp; data.to == nick) {\n\t\tleader = color(\"[\"+data.from+\"-&gt;\"+data.to+\"]\", \"red\");\n\t\tconsole_out(leader + data.message);\n\t}\n\telse if (data.type == \"emote\") {\n\t\tconsole_out(color(data.message, \"cyan\"));\n\t}\n});\n<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5ba2\u6237\u7aef\u4f7f\u7528\u6211\u4eec\u7684\u6635\u79f0\u53d1\u9001\u7684\u7c7b\u578b\u4e3a chat \u7684\u6d88\u606f\u5c06\u4e0e\u6635\u79f0\u548c\u804a\u5929\u6587\u672c\u4e00\u8d77\u663e\u793a\u3002\u7528\u6237\u5df2\u7ecf\u53ef\u4ee5\u770b\u5230\u4ed6\u4eec\u5728 Readline \u4e2d\u8f93\u5165\u7684\u5185\u5bb9\uff0c\u56e0\u6b64\u6ca1\u6709\u5fc5\u8981\u518d\u6b21\u8f93\u51fa\u5b83\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4f7f\u7528 ansi-color \u5305\u5bf9\u8f93\u51fa\u8fdb\u884c\u4e00\u70b9\u7740\u8272\u3002\u8fd9\u5e76\u4e0d\u662f\u7edd\u5bf9\u5fc5\u8981\u7684\uff0c\u4f46\u5b83\u4f7f\u804a\u5929\u66f4\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n<\/p>\n
\u7c7b\u578b\u4e3a notice \u6216 emote \u7684\u6d88\u606f\u6309\u539f\u6837\u6253\u5370\uff0c\u4f46\u989c\u8272\u4e3a\u9752\u8272\u3002<\/p>\n<\/p>\n
\u5982\u679c\u6d88\u606f\u662f tell\uff0c\u4e14\u6635\u79f0\u7b49\u4e8e\u6b64\u5ba2\u6237\u7aef\u7684\u5f53\u524d\u540d\u200b\u200b\u79f0\uff0c\u5219\u8f93\u51fa\u91c7\u7528 [Somebody->You] Hi! \u7684\u5f62\u5f0f\u3002\u5f53\u7136\uff0c\u8fd9\u5e76\u4e0d\u662f\u975e\u5e38\u79c1\u5bc6\u7684\u4e8b\u60c5\u3002\u5982\u679c\u60a8\u60f3\u67e5\u770b\u6bcf\u4e2a\u4eba<\/i>\u7684\u6d88\u606f\uff0c\u60a8\u53ea\u9700\u53d6\u51fa && data.to == nick \u90e8\u5206\u5373\u53ef\u3002\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u670d\u52a1\u5668\u5e94\u8be5\u77e5\u9053\u5c06\u6d88\u606f\u63a8\u9001\u5230\u54ea\u4e2a\u5ba2\u6237\u7aef\uff0c\u800c\u4e0d\u662f\u5c06\u5176\u53d1\u9001\u7ed9\u4e0d\u9700\u8981\u5b83\u7684\u5ba2\u6237\u7aef\u3002\u4f46\u8fd9\u589e\u52a0\u4e86\u4e0d\u5fc5\u8981\u7684\u590d\u6742\u6027\uff0c\u8d85\u51fa\u4e86\u672c\u6559\u7a0b\u7684\u8303\u56f4\u3002<\/p>\n<\/p>\n
\u70b9\u71c3\u5b83\uff01<\/h2>\n<\/p>\n
\u73b0\u5728\u8ba9\u6211\u4eec\u770b\u770b\u662f\u5426\u4e00\u5207\u6b63\u5e38\u3002\u8981\u5bf9\u5176\u8fdb\u884c\u6d4b\u8bd5\uff0c\u8bf7\u901a\u8fc7\u8fd0\u884c node server.js \u542f\u52a8\u670d\u52a1\u5668\uff0c\u7136\u540e\u6253\u5f00\u51e0\u4e2a\u65b0\u7684\u7ec8\u7aef\u7a97\u53e3\u3002\u5728\u65b0\u7a97\u53e3\u4e2d\uff0c\u8fd0\u884c node client.js \u5e76\u8f93\u5165\u6635\u79f0\u3002\u5047\u8bbe\u4e00\u5207\u987a\u5229\uff0c\u90a3\u4e48\u60a8\u5e94\u8be5\u80fd\u591f\u5728\u4ed6\u4eec\u4e4b\u95f4\u804a\u5929\u3002<\/p>\n<\/p>\n
\u5e0c\u671b\u672c\u6559\u7a0b\u5411\u60a8\u5c55\u793a\u4e86 Readline \u6a21\u5757\u7684\u5165\u95e8\u662f\u591a\u4e48\u5bb9\u6613\u3002\u60a8\u53ef\u80fd\u60f3\u5c1d\u8bd5\u5411\u804a\u5929\u5e94\u7528\u7a0b\u5e8f\u6dfb\u52a0\u66f4\u591a\u529f\u80fd\uff0c\u4ee5\u8fdb\u884c\u66f4\u591a\u7ec3\u4e60\u3002\u6700\u540e\uff0c\u67e5\u770b Readline \u6587\u6863\u4ee5\u83b7\u53d6\u5b8c\u6574\u7684 API\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528Node.js\u7684Readline\u548cSocket.io\u5b9e\u73b0\u5b9e\u65f6\u804a\u5929\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
Node.js \u5728\u5176\u6807\u51c6\u5e93\u4e2d\u6709\u4e00\u4e2a\u672a\u88ab\u5145\u5206\u91cd\u89c6\u7684\u6a21\u5757\uff0c\u4f46\u5374\u975e\u5e38\u6709\u7528\u3002 Readline \u6a21\u5757\u6309\u7167\u5305\u88c5\u76d2\u4e0a\u7684\u8bf4\u660e\u6267\u884c\u64cd\u4f5c\uff1a\u4ece\u7ec8\u7aef\u8bfb\u53d6\u4e00\u884c\u8f93\u5165\u3002\u8fd9\u53ef\u7528\u4e8e\u8be2\u95ee\u7528\u6237\u4e00\u4e24\u4e2a\u95ee\u9898\uff0c\u6216\u5728\u5c4f\u5e55\u5e95\u90e8\u521b\u5efa\u63d0\u793a\u3002\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u6253\u7b97\u5c55\u793a Readline \u7684\u529f\u80fd\u5e76\u5236\u4f5c\u4e00\u4e2a\u7531 Socket.io \u652f\u6301\u7684\u5b9e\u65f6 CLI \u804a\u5929\u5ba4\u3002\u5ba2\u6237\u7aef\u4e0d\u4ec5\u53ef\u4ee5\u53d1\u9001\u7b80\u5355\u7684\u6d88\u606f\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528 \/me \u53d1\u9001\u8868\u60c5\u547d\u4ee4\uff0c\u4f7f\u7528 \/msg \u53d1\u9001\u79c1\u4eba\u6d88\u606f\uff0c\u5e76\u5141\u8bb8\u4f7f\u7528 \/nick\u3002 \u5173\u4e8e Readline \u7684\u4e00\u70b9 \u8fd9\u53ef\u80fd\u662f Readline \u6700\u7b80\u5355\u7684\u7528\u6cd5\uff1a var readline = require(‘readline’); var rl = readline.createInterface(process.stdin, process.stdout); rl.question(“What is your name? “, function(answer) { console.log(“Hello, ” + answer ); rl.close(); }); \u767b\u5f55\u540e\u590d\u5236 \u6211\u4eec\u5305\u542b\u8be5\u6a21\u5757\uff0c\u4f7f\u7528\u6807\u51c6\u8f93\u5165\u548c\u8f93\u51fa\u6d41\u521b\u5efa Readline \u63a5\u53e3\uff0c\u7136\u540e\u5411\u7528\u6237\u8be2\u95ee\u4e00\u4e2a\u4e00\u6b21\u6027\u95ee\u9898\u3002\u8fd9\u662fReadline\u7684\u7b2c\u4e00\u4e2a\u7528\u6cd5\uff1a\u63d0\u95ee\u3002\u5982\u679c\u60a8\u9700\u8981\u4e0e\u7528\u6237\u786e\u8ba4\u67d0\u4e9b\u5185\u5bb9\uff0c\u53ef\u80fd\u91c7\u7528\u6d41\u884c\u7684\u5f62\u5f0f\uff0c\u201c\u60a8\u60f3\u8fd9\u6837\u505a\u5417\uff1f\uff08y\/n\uff09\u201d\uff0c\u8fd9\u79cd\u5f62\u5f0f\u666e\u904d\u5b58\u5728\u4e8e CLI \u5de5\u5177\u4e2d\uff0creadline.question () \u5c31\u662f\u8fd9\u6837\u505a\u7684\u65b9\u6cd5\u3002 Readline \u63d0\u4f9b\u7684\u53e6\u4e00\u4e2a\u529f\u80fd\u662f\u63d0\u793a\uff0c\u53ef\u4ee5\u6839\u636e\u5176\u9ed8\u8ba4\u7684\u201c>\u201d\u5b57\u7b26\u8fdb\u884c\u81ea\u5b9a\u4e49\uff0c\u5e76\u6682\u65f6\u6682\u505c\u4ee5\u9632\u6b62\u8f93\u5165\u3002\u5bf9\u4e8e\u6211\u4eec\u7684 Readline […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-32424","post","type-post","status-publish","format-standard","hentry","category-cms"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=32424"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32424\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=32424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=32424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=32424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}