Nodejs/Express - 启动我的应用程序:express.createServer() 已弃用 [英] Nodejs / Express - Launching my app: express.createServer() is deprecated

问题描述

我下载了一个节点应用程序来测试和使用.我用谷歌搜索了一下，发现 Express 有点过时了.有人可以帮我修复已实现的代码吗?

I downloaded a node app to test and play around with. I have googled around and found that Express is found to be a little outdated. Can someone help me to fix the implemented code?

这是代码

/**
 * Module dependencies.
 */

// base dependencies for app
var express = require('express')
  , routes = require('./routes')
  , DB = require('./accessDB').AccessDB
  , passport = require('passport')
  , mongoose = require('mongoose')
  , mongoStore = require('connect-mongodb');

var app = module.exports = express.createServer();
global.app = app;

var DB = require('./accessDB');
var conn = 'mongodb://localhost/CrowdNotes';
var db;

// SocketIO Configuration
//var io = require('socket.io').listen(app);
//
//io.sockets.on('connection', function(socket) {
//  socket.on('user note', function (note) {
//    console.log(note);
//  });
//});

// Configuration
app.configure(function(){
  app.set('views', __dirname + '/views');
  app.set('view engine', 'jade');
  app.use(express.cookieParser());
  app.use(express.bodyParser());
  app.use(express.methodOverride());
  app.use(require('stylus').middleware({ src: __dirname + '/public' }));
  app.use(express.session({ 
    store: mongoStore(conn)
  , secret: 'applecake'
  }, function() {
    app.use(app.router);
  }));
  app.use(passport.initialize());
  app.use(passport.session());
  app.use(express.static(__dirname + '/public'));
});

db = new DB.startup(conn);

app.configure('development', function(){
  app.use(express.errorHandler({ dumpExceptions: true, showStack: true })); 
});

app.configure('production', function(){
  app.use(express.errorHandler()); 
});

// Routes
require('./routes')(app);

app.listen(3000);
console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env);

这是我通过 node app

C:CrowdNotes>node app
Warning: express.createServer() is deprecated, express
applications no longer inherit from http.Server,
please use:

  var express = require("express");
  var app = express();


C:CrowdNotesapp.js:63
console.log("Express server listening on port %d in %s mode", app.address().po
                                                                  ^
TypeError: Object function app(req, res){ app.handle(req, res); } has no method
'address'
    at Object.<anonymous> (C:CrowdNotesapp.js:63:67)
    at Module._compile (module.js:449:26)
    at Object.Module._extensions..js (module.js:467:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Module.runMain (module.js:492:10)
    at process.startup.processNextTick.process._tickCallback (node.js:244:9)

C:CrowdNotes>

已修复.

我现在正在注册，并使用我的新用户"数据登录并收到此错误:

I am now at the point where I register, and go to login using my new 'User' data and receive this error:

ReferenceError: C:CrowdNotesviewsaccount.jade:6
    4|   div#header 
    5|     h2 CrowdNotes
  > 6|     p Hi, #{currentUser.name.first}! 
    7| 
    8|   - if (myEvent)
    9|     p.center My Event: #{myEvent.name} 

currentUser is not defined
    at eval (eval at <anonymous> (C:CrowdNotes
ode_modulesjadelibjade.js:176:8))
    at exports.compile (C:CrowdNotes
ode_modulesjadelibjade.js:181:12)
    at Object.exports.render (C:CrowdNotes
ode_modulesjadelibjade.js:216:14)
    at View.exports.renderFile [as engine] (C:CrowdNotes
ode_modulesjadelibjade.js:243:13)
    at View.render (C:CrowdNotes
ode_modulesexpresslibview.js:75:8)
    at Function.app.render (C:CrowdNotes
ode_modulesexpresslibapplication.js:500:10)
    at ServerResponse.res.render (C:CrowdNotes
ode_modulesexpresslib
esponse.js:716:7)
    at module.exports.getAccount (C:CrowdNotes
outesindex.js:47:11)
    at Promise.module.exports.getMyEvent (C:CrowdNotesaccessDB.js:54:7)
    at Promise.addBack (C:CrowdNotes
ode_modulesmongooselibpromise.js:128:8)

我想知道这是否也是某种形式的语法错误?不确定这里出了什么问题，因为我认为代码都排好了.

I'm wondering if this is some form of syntax error too? Not sure what's gone wrong here as I thought the code all lined up tbh.

我正在使用这里的代码:https://github.com/rockbot/crowdnotes

I am using the code from here: https://github.com/rockbot/crowdnotes

推荐答案

错误中给出了解决方案.

The solution is given in the error.

警告:express.createServer() 已弃用，express应用程序不再从 http.Server 继承请使用:

Warning: express.createServer() is deprecated, express applications no longer inherit from http.Server please use:

  var express = require("express");
  var app = express();

所以你必须这样做.

var express = require('express')
  , http = require('http');

var app = express(); 
var server = http.createServer(app);

这篇关于Nodejs/Express - 启动我的应用程序:express.createServer() 已弃用的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！