Question

经常讨论的一个问题（错误消息：Router.use（）需要中间件功能但是得到了一个Object），但是其他feed中的答案不起作用。例如

app.use(app.router);
routes.initialize(app);

此代码带来以下消息：抛出新错误（'\'app.router \'已被弃用！\ n请参阅3.x到4.x. 有关如何更新应用的详细信息，请参阅迁移指南。'）; ^ 错误：'app.router'已弃用！有关如何更新应用的详细信息，请参阅3.x到4.x迁移指南。

我希望会有更好的主意。

var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var exphbs = require('express-handlebars');
var expressValidator = require('express-validator');
var flash = require('connect-flash');
var session = require('express-session');
var passport = require('passport');
var LocalStrategy = require('passport-local').Strategy;
var mongo = require('mongodb');
var mongoose = require('mongoose');
//mongoose.connect('mongodb://localhost/dbname');
//var db = mongoose.connection;

var routes = require('./routes/index');
var users = require('./routes/users');

//Init App
var app = express();

//View Engine
app.set('views',path.join(__dirname,'views'));
app.engine('handlebars', exphbs({defaultLayout: 'layout'}));
app.set('view engine','handlebars');


//BodyParser Middleware
app.use(bodyParser.json());
var urlencodedParser = bodyParser.urlencoded({ extended: false });
app.use(urlencodedParser);
app.use(cookieParser());


//Set Static Folder
app.use(express.static(path.join(__dirname,'public')));

//Express Session
app.use(session({
    secret: 'secret',
    saveUninitialized: true,
    resave: true
}));

//Passprt init
app.use(passport.initialize());
app.use(passport.session());

//Express Validator
app.use(expressValidator({
  errorFormatter: function(param, msg, value) {
      var namespace = param.split('.')
      , root    = namespace.shift()
      , formParam = root;

    while(namespace.length) {
      formParam += '[' + namespace.shift() + ']';
    }
    return {
      param : formParam,
      msg   : msg,
      value : value
    };
  }
}));

//Connect Flash
app.use(flash());

//Global Vars
app.use(function(req,res, next) {
    res.locals.success_msg = req.flash('succes_msg');
    res.locals.error_msg = req.flash('error_msg');
    res.locals.error = req.flash('error');
    next();
});

//Set Routes
app.use('/', require('./routes/index'));
app.use('/users', require('./routes/users'));

// Set Port
app.set('port',(process.env.PORT || 3000));

//Start Server
app.listen(app.get('port'), function(){
    console.log('Server started on port '+app.get('port'));
});

express.js：“Router.use（）需要中间件功能，但得到了一个对象”

0 个答案: