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Stack Overflow用户

提问于 2022-05-27 11:51:09

回答 1查看 550关注 0票数 0

我正在做关于服务器端开发的课程，我已经精确地遵循了这些指令.然而，我一直在犯这个错误。在他们的讨论平台上没有相关的帖子，我似乎无法调试，因为(如果您在下面看到)跟踪仅仅是指node_modules文件夹中的文件，这些文件是在项目初始化为节点项目时建立的。因此，我被困住了。我的代码大概有“什么问题”，但是由于跟踪并不是指我编码的任何东西，所以我迷路了。我还以为我可能没能安装express，但我试着按照课程中的说明重新安装，这似乎解决不了问题。

在创建Node.js项目时，有没有人遇到过这个特定的错误，如果是，您做了什么来解决？

登录会话需要会话支持。您忘记使用express-session中间件了吗？

这是app.js代码：

var createError = require('http-errors');
const express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
const session = require('express-session');
var FileStore = require('session-file-store')(session);
var passport = require('passport');
var authenticate = require('./authenticate');
var config = require('./config');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var dishRouter = require('./routes/dishRouter');
var leaderRouter = require('./routes/leaderRouter');
var promoRouter = require('./routes/promoRouter');
const uploadRouter = require('./routes/uploadRouter');

const mongoose = require('mongoose');
mongoose.Promise = require('bluebird');

const Dishes = require('./models/dishes');

const url = config.mongoUrl;
const connect = mongoose.connect(url);

connect.then((db) => {

  console.log('Connected correctly to the server.');

}, (err) => {console.log(err); });

var app = express();

// Secure traffic only
app.all('*', (req, res, next) => {
  if (req.secure) {
    return next();
  }
  else {
    res.redirect(307, 'https://' + req.hostname + ':' + app.get('secPort') + req.url);
  }
});

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));

app.use(passport.initialize());
app.use(passport.session());  // FOund this in the Forum not Given Code

// Note that these two mountings occur before authentication
app.use('/', indexRouter);
app.use('/users', usersRouter);

// Authentication is now completed
app.use(express.static(path.join(__dirname, 'public')));

// This is where the mounting occurs
app.use('/dishes', dishRouter);
app.use('/promotions', promoRouter);
app.use('/leaders', leaderRouter);
app.use('/imageUpload',uploadRouter);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;

这是index.js文件：

    var express = require('express');
    var router = express.Router();
    
    /* GET home page. */
    router.get('/', function(req, res, next) {
      res.render('index', { title: 'Express' });
    });

module.exports = router;

node.js

express

middleware

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回答 1

Stack Overflow用户

回答已采纳

发布于 2022-05-27 13:23:44

根据文档 for session-file-store，正确的初始化如下：

const session = require('express-session');
const FileStore = require('session-file-store')(session);
 
const fileStoreOptions = {};
 
app.use(session({
    store: new FileStore(fileStoreOptions),
    secret: 'keyboard cat'
}));