02-node-elm/app.js

import express from 'express';
import db from './mongodb/db.js';
import config from 'config-lite';
import router from './routes/index.js';
import cookieParser from 'cookie-parser'
import session from 'express-session';
import connectMongo from 'connect-mongo';
import winston from 'winston';
import expressWinston from 'express-winston';
import path from 'path';


const app = express();
app.use(express.static('./public'));

app.all('*', (req, res, next) => {
	res.header("Access-Control-Allow-Origin", req.headers.origin);
	res.header("Access-Control-Allow-Headers", "Content-Type, Authorization, X-Requested-With");
	res.header("Access-Control-Allow-Methods","PUT,POST,GET,DELETE,OPTIONS");
  res.header("Access-Control-Allow-Credentials", true); //可以带cookies
	res.header("X-Powered-By",' 3.2.1')
  if (req.method == 'OPTIONS') {
    res.send(200);
  } else {
    next();
  }
});

const MongoStore = connectMongo(session);
app.use(cookieParser());
app.use(session({
  name: config.session.name,
	secret: config.session.secret,
	resave: true,
	saveUninitialized: false,
	cookie: config.session.cookie,
	store: new MongoStore({
  	url: config.url
	})
}))

// app.use(expressWinston.logger({
//     transports: [
//         new (winston.transports.Console)({
//           json: true,
//           colorize: true
//         }),
//         new winston.transports.File({
//           filename: 'logs/success.log'
//         })
//     ]
// }));

router(app);

// app.use(expressWinston.errorLogger({
//     transports: [
//         new winston.transports.Console({
//           json: true,
//           colorize: true
//         }),
//         new winston.transports.File({
//           filename: 'logs/error.log'
//         })
//     ]
// }));

app.use((err, req, res, next) => {
	res.status(404).send('未找到当前路由');
});


app.listen(config.port);