app.js

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var compression = require('compression')

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

var app = express();

// enable gzip
app.use(compression());

// force ssl
if (require('./assets/common').sslEnable) {
    console.log('enable ssl');
    const forceSSL = require('express-force-ssl');
    app.use(forceSSL);
}

// uncomment after placing your favicon in /dist
app.use(favicon(path.join(__dirname, 'public/assets', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());

// 挂载静态资源文件
app.use(express.static(path.join(__dirname, 'public')));
app.use('/resource', express.static(path.join(__dirname, 'resource')));

// 配置路由跳转
app.use('/', index);

// catch 404 and forward to error handler
app.use(function (req, res, next) {
    var err = new Error('Not Found');
    err.status = 404;
    next(err);
});

// 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;