{"id":32295,"date":"2024-11-25T13:03:39","date_gmt":"2024-11-25T05:03:39","guid":{"rendered":"https:\/\/fwq.ai\/blog\/32295\/"},"modified":"2024-11-25T13:03:39","modified_gmt":"2024-11-25T05:03:39","slug":"node-js%e6%9d%a5%e5%ae%9e%e7%8e%b0%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%ae%9e%e6%97%b6%e8%81%8a%e5%a4%a9%e5%8a%9f%e8%83%bd%ef%bc%88%e9%99%84%e4%bb%a3%e7%a0%81%ef%bc%89","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/32295\/","title":{"rendered":"node.js\u6765\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u65f6\u804a\u5929\u529f\u80fd\uff08\u9644\u4ee3\u7801\uff09"},"content":{"rendered":"

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5e26\u6765\u7684\u5185\u5bb9\u662f\u5173\u4e8e\u5982\u4f55\u4f7f\u7528node.js\u6765\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u65f6\u804a\u5929\u529f\u80fd\uff08\u9644\u4ee3\u7801\uff09\uff0c\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n

\u6211\u5bf9im\u8fd9\u5757\u53ef\u8c13\u662f\u771f\u6b63\u7684\u5c0f\u767d\uff0c\u6240\u4ee5\u6ca1\u63a5\u89e6\u8fc7\u7684\u53ef\u4ee5\u6765\u53c2\u8003\u53c2\u8003\u3002
\u5728\u5fae\u4fe1\u8fd9\u4e2a\u804a\u5929\u5de5\u5177\u91cc\u7684\u5c0f\u7a0b\u5e8f\u4e0a\u5b9e\u73b0\u804a\u5929\u529f\u80fd\uff0c\u603b\u611f\u89c9\u602a\u602a\u7684\u3002\u4f46\u9886\u5bfc\u8981\u6c42\u4e86\uff0c\u603b\u662f\u8981\u5e72\u7684\u3002<\/p>\n

\u7136\u540e\u5c31\u5b9e\u65f6\u901a\u8baf\u8fd9\u4e2a\u5173\u952e\u8bcd\u5c55\u5f00\u641c\u7d22\uff0c\u7a7f\u68ad\u4e8e\u7f51\u9875\u4e4b\u95f4\u3002\u4e0d\u8fc7\u7c98\u8d34\u590d\u5236\u7684\u771f\u7684\u592a\u591a\u4e86\uff0c\u627e\u4e86\u534a\u5929\u4e5f\u6ca1\u627e\u5230\u60f3\u8981\u7684\uff0c\u4e0d\u8fc7\u8fd8\u662f\u63d0\u53d6\u5230\u4e86\u5173\u952e\u8bcdWebSocket\u548cnode.js\uff0c\u7136\u540e\u641c\u7d22\u8fd9\u4e24\u662f\u5565\uff0c\u4ec0\u4e48\u5173\u7cfb\uff0c\u603b\u7b97\u660e\u767d\u4e86\u4e00\u70b9\u3002<\/p>\n

\u6700\u540e\u786e\u5b9a\u4e86\u7b2c\u4e00\u6b65\u9700\u8981\u5e72\u7684\u662f\u7528\u7684node.js\u642d\u5efa\u670d\u52a1\uff08\u6211\u662f\u88c5\u5728\u81ea\u5df1\u7684\u7a97\u53e3\u4e0b\u7684<\/strong>\uff09\uff1a<\/p>\n

1.\u9996\u5148\u5230\u5b98\u7f51\u4e0b\u8f7dnode.js\uff0c\u8fde\u63a5\uff1ahttps\uff1a
   \/\/nodejs.org\/en\/\u5b89\u88c5\u5f88\u7b80\u5355\uff0c\u53cc\u51fb\u4e0b\u8f7d\u597d\u7684\u6587\u4ef6\uff0c\u76f4\u63a5\u4e0b\u4e00\u6b65\u4e00\u6b65\uff0c\u6ca1\u4ec0\u4e48\u7279\u6b8a\u7684\u9009\u62e9\uff0c\u8def\u5f84\u9ed8\u8ba4\u5c31\u597d
   \u53ef\u4ee5\u6253\u5f00\u547d\u4ee4\u884c\u7a97\u53e3\u8f93\u5165\u8282\u70b9-v\u4f1a\u8f93\u51fa\u7248\u672c\uff0c\u6765\u68c0\u9a8c\u662f\u5426\u5b89\u88c5\u6210\u529f\uff0c\u5176\u5b9e\u8fd9\u4e2a\u4e5f\u6ca1\u4ec0\u4e48\u5fc5\u8981
\"node.js\u6765\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u65f6\u804a\u5929\u529f\u80fd\uff08\u9644\u4ee3\u7801\uff09\u63d2\u56fe\"<\/p>\n

2.\u7136\u540e\u65b0\u5efa\u4e00\u4e2a\u6587\u4ef6\u5939\uff08\u6211\u7684node.js\u662f\u5b89\u88c5\u5728?\u76d8\u7684\uff0c\u7136\u540e\u518dd\u76d8\u4e0b\u65b0\u5efa\u4e86\u4e2a\u53eb\u7f51\u9875\u5957\u63a5\u5b57\u7684\u6587\u4ef6\u5939\uff09
   \u7136\u540e\u7528\u547d\u4ee4\u8f6c\u5230\u8be5\u76ee\u5f55\u4e0b\uff1a   \u5728\u8fd9\u4e2a\u6587\u4ef6\u4e0b\u5b89\u88c5\u6211\u4eec\u8981\u4f7f\u7528\u7684\u6a21\u5757\uff1a   \u5b89\u88c5\u6a21\u5757\u524d\u9700\u8981\u5148\u751f\u6210\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\uff0c\u4e0d\u7136\u4f1a\u62a5\u9519\uff08\u53cd\u6b63\u6211\u62a5\u4e86\uff09<\/p>\n

   \u751f\u6210\u914d\u7f6e\u6587\u4ef6\u547d\u4ee4\uff1anpm init -f
   \u6267\u884c\u540e\u53ef\u4ee5\u770b\u5230\u5728\u8be5\u6587\u4ef6\u4e0b\u591a\u4e86\u4e00\u4e2a\u53ebpackage.json\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u5148\u4e0d\u7528\u7ba1\uff08\u540e\u9762\u4e5f\u6ca1\u7ba1\u8fc7\uff09\uff0c\u63a5\u4e0b\u6765\u7ee7\u7eed\u5b89\u88c5\u6a21\u5757\u7684\u64cd\u4f5c
   \u521a\u5f00\u59cb\u6211\u662f\u5b89\u88c5\u7684socket.io\uff0c\u540e\u6765\u53d1\u73b0\u5c0f\u7a0b\u5e8f\u6839\u672c\u7528\u4e0d\u4e86\uff0c\u6240\u4ee5\u8fd9\u91cc\u4e5f\u4e0d\u8bf4socket.io\u4e86\u3002\u6211\u4eec\u8fd9\u91cc\u7528ws
   \u5b89\u88c5ws\u547d\u4ee4\uff1anpm install –save ws\uff08\u5378\u8f7d\u6a21\u5757\u547d\u4ee4\uff1anpm uninstall\u6a21\u5757\u540d\u5b57\uff09<\/p>\n

3.\u5b89\u88c5\u597d\u6a21\u5757\u540e\uff0c\u5728\u4f60\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u7684.js\u6587\u4ef6\uff0c\u6211\u8fd9\u662f\u4e00\u4e2aws.js \u6211\u8fd9\u91cc\u80af\u5b9a\u4f1a\u6bd4\u4f60\u4eec\u7684\u6587\u4ef6\u8981\u591a\uff0c\u4e0d\u7528\u8fd9\u4e2a\u5728\u610f\u7136\u540e\u6253\u5f00\u8fd9\u4e2a\u7684.js\u6587\u4ef6\uff0c\u5f00\u59cb\u7f16\u8f91\u4f60\u7684\u670d\u52a1\u7aef\u4ee3\u7801\uff0c\u8fd9\u4e2a\u968f\u4fbf\u4f60\u7528\u8bb0\u4e8b\u672c\u8fd8\u662f\u5176\u4ed6\u4ec0\u4e48\u8f6f\u4ef6\u8fd9\u662f\u6700\u7b80\u5355\u57fa\u7840\u7684\u4e00\u4e2a\u6253\u5f00\u8fde\u63a5\uff0c\u54cd\u5e94\u7684\u4ee3\u7801\uff1a<\/p>\n

\/\/\u5f15\u5165ws\u6a21\u5757\nconst WebSocket = require('ws');\n\/\/\u521b\u5efa\u670d\u52a1 port\u662f\u7aef\u53e3\nconst wss = new WebSocket.Server({ port: 80});\n\/\/\u5ba2\u6237\u7aef\u8fde\u63a5\u65f6\u4f1a\u8fdb\u8fd9\u4e2a\nwss.on('connection', function connection(ws) {\n    console.log('\u8fde\u63a5\u6210\u529f');\n    \/\/\u5ba2\u6237\u7aef\u53d1\u9001\u6d88\u606f\u65f6\u4f1a\u89e6\u53d1\u8fd9\u4e2a\n    ws.on('message', function incoming(data) {\n        console.log('\u6536\u5230\u6d88\u606f');\n        \/\/data\u662f\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6d88\u606f\uff0c\u8fd9\u91ccclients.foreach\u662f\u5e7f\u64ad\u7ed9\u6240\u6709\u5ba2\u6237\u7aef\n        wss.clients.forEach(function each(client) {\n            \/\/\u628a\u5ba2\u6237\u7aef\u53d1\u6765\u7684data\uff0c\u5faa\u73af\u53d1\u7ed9\u6bcf\u4e2a\u5ba2\u6237\u7aef\n            client.send(data);\n        });\n    });\n});<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u91cc\u8d34\u4e0a\u7a0d\u5fae\u6bd4\u8f83\u5b8c\u5584\u7684\u4ee3\u7801\uff0c\u8fd9\u91cc\u662f\u7528\u6570\u636e\u5e93\u4fdd\u5b58\u7684\u53d1\u9001\u7684\u6d88\u606f\uff0c\u7528\u7684mysql\uff0c\u6240\u4ee5\u9700\u8981\u5728\u5b89\u88c5mysql\u6a21\u5757
npm install –save mysql
\u4ee3\u7801\uff1a
\u8fd9\u91cc\u6709\u5f88\u591a\u6ce8\u91ca\u7684\u4ee3\u7801\uff0c\u90fd\u662f\u6211\u7814\u7a76\u65f6\u7528\u5230\u7684\uff0c\u65e0\u89c6\u53ef\u4ee5\u5220\u6389\u6216
\u8fd9\u4e2aMySQL\u7684\u7684\u6570\u636e\u8fde\u63a5\u9700\u8981\u6839\u636e\u81ea\u5df1\u7684\u4fee\u6539\uff0c\u4e5f\u662f\u8868
\u6211\u8fd9\u7528\u5230\u7684\u8868\u5c31\u4e24\u4e2a\u5b57\u6bb5ID\uff0c\u5473\u7cbe<\/p>\n
var http=require('http');\nvar qs = require('querystring'); \/\/\nvar ws=require('ws');\n\nvar server=http.createServer(function (req, res) {\n    res.end(\"This is a WebSockets server!\");\n});\nvar url = require('url');\n\/\/\u9a8c\u8bc1\u51fd\u6570\nfunction ClientVerify(info) {\n    var ret = false;\/\/\u62d2\u7edd\n    \/\/url\u53c2\u6570\n    var params = url.parse(info.req.url, true).query;\n    \/\/console.log(groupid);\n    \/\/groupid=params['groupid']\n    \/\/\u8c01\u8c01\u8c01\u6765\u5230\u4e86\u8ba8\u8bba\u7ec4\n    \/\/ wss.clients.forEach(function each(client) {\n    \/\/     client.send('233');\n    \/\/ });\n    return true;\n\n}\nvar wss = new ws.Server( { server: server,verifyClient: ClientVerify } );\n\n\/*\/\/\u5f15\u5165\u6570\u636e\u5e93\n var mysql = require('mysql');\n \/\/\u8fde\u63a5\u6570\u636e\u5e93\u4fe1\u606f \u666e\u901a\u7248\n var connection = mysql.createConnection({\n    host  : '58.87.94.16',\n    user  : 'root',\n    password : 'root',\n    database : 'bootdo'\n});*\/\n\/\/\u5f15\u5165\u6570\u636e\u5e93\nvar mysql = require('mysql');\n\/\/ \u521b\u5efa\u6570\u636e\u6c60\nconst pool  = mysql.createPool({\n    host     : '58.87.94.16',   \/\/ \u6570\u636e\u5e93\u5730\u5740\n    user     : 'root',    \/\/ \u6570\u636e\u5e93\u7528\u6237\n    password : 'root',   \/\/ \u6570\u636e\u5e93\u5bc6\u7801\n    database : 'bootdo'  \/\/ \u9009\u4e2d\u6570\u636e\u5e93\n})\n\/*\u63a5\u6536\u4e00\u4e2asql\u8bed\u53e5 \u4ee5\u53ca\u6240\u9700\u7684values\n\u8fd9\u91cc\u63a5\u6536\u7b2c\u4e8c\u53c2\u6570values\u7684\u539f\u56e0\u662f\u53ef\u4ee5\u4f7f\u7528mysql\u7684\u5360\u4f4d\u7b26 '?'\n\u6bd4\u5982 query(`select * from my_database where id = ?`, [1])\n\u597d\u50cf\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528pool.query\uff0c\u6682\u65f6\u4e0d\u660e*\/\nlet query = function(sql,values,callback){\n    pool.getConnection(function(err,conn){\n        if(err){\n            callback(err,null,null);\n        }else{\n\n            conn.query(sql,values,function(err,results,fields){\n                \/\/\u91ca\u653e\u8fde\u63a5\n                conn.release();\n                \/\/\u4e8b\u4ef6\u9a71\u52a8\u56de\u8c03\n                callback(err,results,fields);\n            });\n        }\n    });\n};\nmodule.exports=query;\n\nwss.on('connection', function connection(ws) {\n    console.log('\u94fe\u63a5\u6210\u529f\uff01');\n    \/\/console.log(ws);\n    \/\/\u67e5\u8be2\u5386\u53f2\u804a\u5929\u8bb0\u5f55 \u5e7f\u64ad\u7ed9\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\n    var sql='select * from hi_test where groupid=1';\n    console.log('sql\u8bed\u53e5',sql);\n    query(sql,function (err,res,fields) {\n        console.log('sql\u64cd\u4f5c\u8fd4\u56de\uff1a', res);\n        if(res!=null){\n            ws.send(JSON.stringify(res));\n        }\n    });\n    \/\/\u76d1\u542c\u5ba2\u6237\u7aef\u53d1\u9001\u5f97\u6d88\u606f\n    ws.on('message', function incoming(data) {\n        console.log('\u6765\u81ea\u5ba2\u6237\u7aef\u5f97message:',data);\n        \/\/\u4fdd\u5b58\u5ba2\u6237\u7aef\u53d1\u9001\u5f97\u6d88\u606f\u5230\u6570\u636e\u5e93\n        sql=\"insert into hi_test(msg) values(?)\";\n        console.log('sql\u8bed\u53e5',sql);\n        query(sql,data,function (err,res,fields) {\n            console.log('sql\u64cd\u4f5c\u8fd4\u56de\uff1a',res);\/\/res.insertId\n        });\n        var sendData=JSON.stringify([{msg:data}])\n        \/**\n         * \u628a\u6d88\u606f\u53d1\u9001\u5230\u6240\u6709\u7684\u5ba2\u6237\u7aef\n         * wss.clients\u83b7\u53d6\u6240\u6709\u94fe\u63a5\u7684\u5ba2\u6237\u7aef\n         *\/\n        wss.clients.forEach(function each(client) {\n            client.send(sendData);\n        });\n    });\n});\n\nserver.listen(80, function listening() {\n    console.log('\u670d\u52a1\u5668\u542f\u52a8\u6210\u529f\uff01');\n});\n\n\n\n\/*\u53d1\u8d77get\u8bf7\u6c42\nvar options = {\n    hostname: 'www.tjjxsoft.cn',\n    path: '\/attendanceParameter\/getAttendanceParameter\/13',\n    method: 'GET'\n};\n\nvar req = http.request(options, function (res) {\n    console.log('\u72b6\u6001: ' + res.statusCode);\n    res.on('data', function (chunk) {\n        console.log('\u8fd4\u56de\u6570\u636e: ' + chunk);\n    });\n});\n\nreq.on('error', function (e) {\n    console.log('problem with request: ' + e.message);\n});\n\nreq.end();*\/\n\n\/*\n\/!*\u6784\u5efahttp\u670d\u52a1*!\/\nvar app = require('http').createServer()\n\/!*\u5f15\u5165socket.io*!\/\nvar io = require('socket.io')(app);\n\/!*\u5b9a\u4e49\u76d1\u542c\u7aef\u53e3\uff0c\u53ef\u4ee5\u81ea\u5b9a\u4e49\uff0c\u7aef\u53e3\u4e0d\u8981\u88ab\u5360\u7528*!\/\nvar PORT = 80;\n\/!*\u76d1\u542c\u7aef\u53e3*!\/\napp.listen(PORT);\n\n\/!*\u5b9a\u4e49\u7528\u6237\u6570\u7ec4*!\/\nvar users = [];\n\/!**\n *\u76d1\u542c\u5ba2\u6237\u7aef\u8fde\u63a5\n *io\u662f\u6211\u4eec\u5b9a\u4e49\u7684\u670d\u52a1\u7aef\u7684socket\n *\u56de\u8c03\u51fd\u6570\u91cc\u9762\u7684socket\u662f\u672c\u6b21\u8fde\u63a5\u7684\u5ba2\u6237\u7aefsocket\n *io\u4e0esocket\u662f\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\n *!\/\nio.on('connection', function (socket) {\n    \/!*\u6240\u6709\u7684\u76d1\u542con\uff0c\u4e0e\u53d1\u9001emit\u90fd\u5f97\u5199\u5728\u8fde\u63a5\u91cc\u9762\uff0c\u5305\u62ec\u65ad\u5f00\u8fde\u63a5*!\/\n    socket.on('login',function(data){\n        console.log('\u6709\u4eba\u767b\u5f55\u4e86\uff1a')\n        console.log(data);\n        users.push({\n            username:data.username\n        });\n        \/!*\u5411\u6240\u6709\u8fde\u63a5\u7684\u5ba2\u6237\u7aef\u5e7f\u64adadd\u4e8b\u4ef6*!\/\n        io.sockets.emit('add',data)\n    })\n})\nconsole.log('app listen at'+PORT);*\/<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7136\u540e\u547d\u4ee4\u884c\u8f93\u5165\u8282\u70b9ws.js\uff08\u4f60\u81ea\u5df1\u7684\u6587\u4ef6\u540d\uff09\u56de\u8f66\uff0c\u5c31\u5df2\u7ecf\u542f\u52a8\u4e86\u670d\u52a1
\"node.js\u6765\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u65f6\u804a\u5929\u529f\u80fd\uff08\u9644\u4ee3\u7801\uff09\u63d2\u56fe1\"<\/p>\n
4.\u73b0\u5728\u670d\u52a1\u5c31\u5df2\u7ecf\u8d77\u6765\u4e86\uff0c\u5f04\u63a5\u4e0b\u6765\u5c0f\u7a0b\u5e8f\u8fd9\u8fb9\u7684
\u76f4\u63a5\u8d34\u4ee3\u7801\uff1a<\/p>\n
wxml\uff1a<\/p>\n
<view>\n    <scroll-view>\n        <view>\n            <block>\n                <!--  -->\n                <view>\n                    <view>{{item.user.name}}<\/view>\n                    <view>\n                        <view>\n                        <!-- \u6211\u8fd9\u7528\u7684\u662f\u81ea\u5df1\u53e6\u4e00\u4e2a\u670d\u52a1\u7684\u56fe\u7247 -->\n                            <image><\/image>\n                        <\/view>\n                        <view>{{item.msg}}<\/view>\n                    <\/view>\n                <\/view>\n                <view>\n                    <view>{{item.user.name}}<\/view>\n                    <view>\n                        <view>{{item.msg}}<\/view>\n                        <view>\n                        <!-- \u6211\u8fd9\u7528\u7684\u662f\u81ea\u5df1\u53e6\u4e00\u4e2a\u670d\u52a1\u7684\u56fe\u7247 -->\n                            <image><\/image>\n                        <\/view>\n                    <\/view>\n                <\/view>\n            <\/block>\n        <\/view>\n    <\/scroll-view>\n    <view>\n        <input>\n        <button>\u53d1\u9001<\/button>\n    <\/view><\/view><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
.js\u6587\u4ef6\uff1a<\/p>\n
var app = getApp();\nPage({\n    data: {\n        socket_open: false,\/\/\u5224\u65ad\u8fde\u63a5\u662f\u5426\u6253\u5f00\n        sendText: \"\",\/\/\u53d1\u9001\u7684\u6d88\u606f\n        serverMsg: [],\/\/\u63a5\u53d7\u7684\u670d\u52a1\u7aef\u7684\u6d88\u606f\n        userInfo: { userId: 1, name: \"\u5475\u5475\",img:'\u5934\u50cf'},\/\/app.appData.userInfo,\n        scrolltop: 999\n    },\n\n    \/**\u8f93\u5165\u5185\u5bb9 *\/\n    sendTextBind: function(e) {\n        this.setData({\n            sendText: e.detail.value\n        });\n        console.log(this.data.sendText);\n    },\n    \/**\u53d1\u9001\u6d88\u606f *\/\n    sendBtn: function(e) {\n        console.log('\u53d1\u9001\u6d88\u606f\u4e8b\u4ef6\uff01');\n        var msgJson = {\n            user: {\n                id: this.data.userInfo.userId,\/\/app.appData.userInfo.userId, \/\/\u552f\u4e00ID\u533a\u5206\u8eab\u4efd\n                name: this.data.userInfo.name, \/\/\u663e\u793a\u7528\u59d3\u540d\n                img: this.data.userInfo.img, \/\/\u663e\u793a\u7528\u5934\u50cf\n            },\n            msg: this.data.sendText,\/\/\u53d1\u9001\u7684\u6d88\u606f\n            groupid:1\n        }\n        \/\/\u53d1\u9001\u6d88\u606f\n        this.send_socket_message(JSON.stringify(msgJson));\n        this.setData({\n            sendText: \"\"\/\/\u53d1\u9001\u6d88\u606f\u540e\uff0c\u6e05\u7a7a\u6587\u672c\u6846\n        });\n    },\n    onLoad: function(options) {\n        \/\/ app.login();\n        \/\/ this.setData({\n        \/\/     userInfo: app.appData.userInfo\n        \/\/ });\n        \/\/\u521d\u59cb\u5316\n        this.wssInit();\n    },\n    wssInit() {\n        var that = this;\n        \/\/\u5efa\u7acb\u8fde\u63a5\n        wx.connectSocket({\n            url: 'ws:\/\/localhost'\/\/app.appData.socket\n        })\n        \/\/\u76d1\u542cWebSocket\u8fde\u63a5\u6253\u5f00\u4e8b\u4ef6\u3002\n        wx.onSocketOpen(function(res) {\n            console.log('WebSocket\u8fde\u63a5\u5df2\u6253\u5f00\uff01');\n            that.setData({\n                socket_open: true\n            });\n        });\n        \/\/\u76d1\u542cWebSocket\u63a5\u53d7\u5230\u670d\u52a1\u5668\u7684\u6d88\u606f\u4e8b\u4ef6\u3002\n        wx.onSocketMessage(function(res) {\n            console.log('\u6536\u5230\u670d\u52a1\u5668\u5185\u5bb9\uff1a', res);\n            var server_msg = JSON.parse(res.data);\n            console.log(server_msg);\n            if (server_msg != null) {\n                var msgnew = [];\n                for (var i = 0; i <p>wxss\uff1a<\/p><pre class=\"brush:css;toolbar:false;\">.homeView {\n    border-top: 1px solid #ededed;\n}\n.listView{\n    padding-bottom: 50px;\n}\n.listView&gt;view {\n    padding: 10px;\n}\n\n.rightView {\n    text-align: right;\n}\n\n.imgmsgleft {\n    display: flex;\n    justify-content: flex-start;\n    align-items: center;\n}\n\n.imgmsgleft&gt;view:last-child {\n    border: solid 1px gray;\n    padding: 10px;\n    border-radius: 6px;\n}\n\n.imgmsg {\n    display: flex;\n    justify-content: flex-end;\n    align-items: center;\n}\n\n.imgmsg&gt;view:first-child {\n    border: solid 1px gray;\n    padding: 10px;\n    border-radius: 6px;\n    background-color: green;\n}\n\n.touimg {\n    width: 50px;\n    height: 50px;\n}\n\n.name {\n    font-size: 14px;\n    color: gray;\n}\n\n.sendView {\n    display: flex;\n    width: 100%;\n    position: fixed;\n    bottom: 0px;\n    border-top: 1px #ededed solid;\n    background-color: white;\n}\n\n.sendView&gt;button {\n    width: 20%;\n}\n\n.sendView&gt;input {\n    width: 80%;\n    height: auto;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\"node.js\u6765\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u65f6\u804a\u5929\u529f\u80fd\uff08\u9644\u4ee3\u7801\uff09\u63d2\u56fe2\"<\/p>\n
\u9884\u89c8\u7684\u65f6\u5019\u4e00\u5b9a\u8981\u6253\u5f00\u8c03\u8bd5\uff0c\u56e0\u4e3a\u8fd9\u4e0d\u662fwss\u534f\u8bae\uff0c\u662f\u6ca1\u6cd5\u76f4\u63a5\u7528\u7684<\/p>\n
\u76f8\u5173\u63a8\u8350\uff1a<\/p>\n
<\/p>\n
<\/p>\n<\/p>\n
\u4ee5\u4e0a\u5c31\u662fnode.js\u6765\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u65f6\u804a\u5929\u529f\u80fd\uff08\u9644\u4ee3\u7801\uff09\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":"
\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5e26\u6765\u7684\u5185\u5bb9\u662f\u5173\u4e8e\u5982\u4f55\u4f7f\u7528node.js\u6765\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5b9e\u65f6\u804a\u5929\u529f\u80fd\uff08\u9644\u4ee3\u7801\uff09\uff0c\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\u3002 \u6211\u5bf9im\u8fd9\u5757\u53ef\u8c13\u662f\u771f\u6b63\u7684\u5c0f\u767d\uff0c\u6240\u4ee5\u6ca1\u63a5\u89e6\u8fc7\u7684\u53ef\u4ee5\u6765\u53c2\u8003\u53c2\u8003\u3002\u5728\u5fae\u4fe1\u8fd9\u4e2a\u804a\u5929\u5de5\u5177\u91cc\u7684\u5c0f\u7a0b\u5e8f\u4e0a\u5b9e\u73b0\u804a\u5929\u529f\u80fd\uff0c\u603b\u611f\u89c9\u602a\u602a\u7684\u3002\u4f46\u9886\u5bfc\u8981\u6c42\u4e86\uff0c\u603b\u662f\u8981\u5e72\u7684\u3002 \u7136\u540e\u5c31\u5b9e\u65f6\u901a\u8baf\u8fd9\u4e2a\u5173\u952e\u8bcd\u5c55\u5f00\u641c\u7d22\uff0c\u7a7f\u68ad\u4e8e\u7f51\u9875\u4e4b\u95f4\u3002\u4e0d\u8fc7\u7c98\u8d34\u590d\u5236\u7684\u771f\u7684\u592a\u591a\u4e86\uff0c\u627e\u4e86\u534a\u5929\u4e5f\u6ca1\u627e\u5230\u60f3\u8981\u7684\uff0c\u4e0d\u8fc7\u8fd8\u662f\u63d0\u53d6\u5230\u4e86\u5173\u952e\u8bcdWebSocket\u548cnode.js\uff0c\u7136\u540e\u641c\u7d22\u8fd9\u4e24\u662f\u5565\uff0c\u4ec0\u4e48\u5173\u7cfb\uff0c\u603b\u7b97\u660e\u767d\u4e86\u4e00\u70b9\u3002 \u6700\u540e\u786e\u5b9a\u4e86\u7b2c\u4e00\u6b65\u9700\u8981\u5e72\u7684\u662f\u7528\u7684node.js\u642d\u5efa\u670d\u52a1\uff08\u6211\u662f\u88c5\u5728\u81ea\u5df1\u7684\u7a97\u53e3\u4e0b\u7684\uff09\uff1a 1.\u9996\u5148\u5230\u5b98\u7f51\u4e0b\u8f7dnode.js\uff0c\u8fde\u63a5\uff1ahttps\uff1a   \/\/nodejs.org\/en\/\u5b89\u88c5\u5f88\u7b80\u5355\uff0c\u53cc\u51fb\u4e0b\u8f7d\u597d\u7684\u6587\u4ef6\uff0c\u76f4\u63a5\u4e0b\u4e00\u6b65\u4e00\u6b65\uff0c\u6ca1\u4ec0\u4e48\u7279\u6b8a\u7684\u9009\u62e9\uff0c\u8def\u5f84\u9ed8\u8ba4\u5c31\u597d   \u53ef\u4ee5\u6253\u5f00\u547d\u4ee4\u884c\u7a97\u53e3\u8f93\u5165\u8282\u70b9-v\u4f1a\u8f93\u51fa\u7248\u672c\uff0c\u6765\u68c0\u9a8c\u662f\u5426\u5b89\u88c5\u6210\u529f\uff0c\u5176\u5b9e\u8fd9\u4e2a\u4e5f\u6ca1\u4ec0\u4e48\u5fc5\u8981 2.\u7136\u540e\u65b0\u5efa\u4e00\u4e2a\u6587\u4ef6\u5939\uff08\u6211\u7684node.js\u662f\u5b89\u88c5\u5728?\u76d8\u7684\uff0c\u7136\u540e\u518dd\u76d8\u4e0b\u65b0\u5efa\u4e86\u4e2a\u53eb\u7f51\u9875\u5957\u63a5\u5b57\u7684\u6587\u4ef6\u5939\uff09   \u7136\u540e\u7528\u547d\u4ee4\u8f6c\u5230\u8be5\u76ee\u5f55\u4e0b\uff1a   \u5728\u8fd9\u4e2a\u6587\u4ef6\u4e0b\u5b89\u88c5\u6211\u4eec\u8981\u4f7f\u7528\u7684\u6a21\u5757\uff1a   \u5b89\u88c5\u6a21\u5757\u524d\u9700\u8981\u5148\u751f\u6210\u4e00\u4e2a\u914d\u7f6e\u6587\u4ef6\uff0c\u4e0d\u7136\u4f1a\u62a5\u9519\uff08\u53cd\u6b63\u6211\u62a5\u4e86\uff09    \u751f\u6210\u914d\u7f6e\u6587\u4ef6\u547d\u4ee4\uff1anpm init -f   \u6267\u884c\u540e\u53ef\u4ee5\u770b\u5230\u5728\u8be5\u6587\u4ef6\u4e0b\u591a\u4e86\u4e00\u4e2a\u53ebpackage.json\u7684\u914d\u7f6e\u6587\u4ef6\uff0c\u5148\u4e0d\u7528\u7ba1\uff08\u540e\u9762\u4e5f\u6ca1\u7ba1\u8fc7\uff09\uff0c\u63a5\u4e0b\u6765\u7ee7\u7eed\u5b89\u88c5\u6a21\u5757\u7684\u64cd\u4f5c   \u521a\u5f00\u59cb\u6211\u662f\u5b89\u88c5\u7684socket.io\uff0c\u540e\u6765\u53d1\u73b0\u5c0f\u7a0b\u5e8f\u6839\u672c\u7528\u4e0d\u4e86\uff0c\u6240\u4ee5\u8fd9\u91cc\u4e5f\u4e0d\u8bf4socket.io\u4e86\u3002\u6211\u4eec\u8fd9\u91cc\u7528ws   \u5b89\u88c5ws\u547d\u4ee4\uff1anpm install –save ws\uff08\u5378\u8f7d\u6a21\u5757\u547d\u4ee4\uff1anpm uninstall\u6a21\u5757\u540d\u5b57\uff09 3.\u5b89\u88c5\u597d\u6a21\u5757\u540e\uff0c\u5728\u4f60\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u7684.js\u6587\u4ef6\uff0c\u6211\u8fd9\u662f\u4e00\u4e2aws.js \u6211\u8fd9\u91cc\u80af\u5b9a\u4f1a\u6bd4\u4f60\u4eec\u7684\u6587\u4ef6\u8981\u591a\uff0c\u4e0d\u7528\u8fd9\u4e2a\u5728\u610f\u7136\u540e\u6253\u5f00\u8fd9\u4e2a\u7684.js\u6587\u4ef6\uff0c\u5f00\u59cb\u7f16\u8f91\u4f60\u7684\u670d\u52a1\u7aef\u4ee3\u7801\uff0c\u8fd9\u4e2a\u968f\u4fbf\u4f60\u7528\u8bb0\u4e8b\u672c\u8fd8\u662f\u5176\u4ed6\u4ec0\u4e48\u8f6f\u4ef6\u8fd9\u662f\u6700\u7b80\u5355\u57fa\u7840\u7684\u4e00\u4e2a\u6253\u5f00\u8fde\u63a5\uff0c\u54cd\u5e94\u7684\u4ee3\u7801\uff1a \/\/\u5f15\u5165ws\u6a21\u5757 const WebSocket = require(‘ws’); \/\/\u521b\u5efa\u670d\u52a1 port\u662f\u7aef\u53e3 const wss = new WebSocket.Server({ port: 80}); \/\/\u5ba2\u6237\u7aef\u8fde\u63a5\u65f6\u4f1a\u8fdb\u8fd9\u4e2a wss.on(‘connection’, function connection(ws) {     console.log(‘\u8fde\u63a5\u6210\u529f’);     \/\/\u5ba2\u6237\u7aef\u53d1\u9001\u6d88\u606f\u65f6\u4f1a\u89e6\u53d1\u8fd9\u4e2a     ws.on(‘message’, function incoming(data) {         console.log(‘\u6536\u5230\u6d88\u606f’);         \/\/data\u662f\u5ba2\u6237\u7aef\u53d1\u9001\u7684\u6d88\u606f\uff0c\u8fd9\u91ccclients.foreach\u662f\u5e7f\u64ad\u7ed9\u6240\u6709\u5ba2\u6237\u7aef         wss.clients.forEach(function each(client) {             \/\/\u628a\u5ba2\u6237\u7aef\u53d1\u6765\u7684data\uff0c\u5faa\u73af\u53d1\u7ed9\u6bcf\u4e2a\u5ba2\u6237\u7aef             client.send(data);         });     }); }); \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u91cc\u8d34\u4e0a\u7a0d\u5fae\u6bd4\u8f83\u5b8c\u5584\u7684\u4ee3\u7801\uff0c\u8fd9\u91cc\u662f\u7528\u6570\u636e\u5e93\u4fdd\u5b58\u7684\u53d1\u9001\u7684\u6d88\u606f\uff0c\u7528\u7684mysql\uff0c\u6240\u4ee5\u9700\u8981\u5728\u5b89\u88c5mysql\u6a21\u5757npm install –save mysql\u4ee3\u7801\uff1a\u8fd9\u91cc\u6709\u5f88\u591a\u6ce8\u91ca\u7684\u4ee3\u7801\uff0c\u90fd\u662f\u6211\u7814\u7a76\u65f6\u7528\u5230\u7684\uff0c\u65e0\u89c6\u53ef\u4ee5\u5220\u6389\u6216\u8fd9\u4e2aMySQL\u7684\u7684\u6570\u636e\u8fde\u63a5\u9700\u8981\u6839\u636e\u81ea\u5df1\u7684\u4fee\u6539\uff0c\u4e5f\u662f\u8868\u6211\u8fd9\u7528\u5230\u7684\u8868\u5c31\u4e24\u4e2a\u5b57\u6bb5ID\uff0c\u5473\u7cbe var http=require(‘http’); var qs = require(‘querystring’); \/\/ var ws=require(‘ws’); var server=http.createServer(function (req, res) {     res.end(“This is a WebSockets server!”); }); var url = require(‘url’); \/\/\u9a8c\u8bc1\u51fd\u6570 function ClientVerify(info) { […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-32295","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32295","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=32295"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/32295\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=32295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=32295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=32295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}