app.js

//webpack dev server
// var webpack = require('webpack')
// var webpackDevMiddleware = require('webpack-dev-middleware')
// var webpackHotMiddleware = require('webpack-hot-middleware')
// var config = require('./webpack.dev.config')

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

//实例化一个express应用程序
var app = express();

// var compiler = webpack(config)
// app.use(webpackDevMiddleware(compiler, { noInfo: true, publicPath: config.output.publicPath }))
// app.use(webpackHotMiddleware(compiler))

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

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

//系统资源
// app.use(express.static(path.join(__dirname, 'fe_app/app')));
//文档资源
app.use(express.static(path.join(__dirname, 'doc')));
app.use(express.static(path.join(__dirname, 'public')));


app.use('/users',users)
app.use('/', routes);
// app.use('/users', users);

// 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 handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('error', {
      message: err.message,
      error: err
    });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('error', {
    message: err.message,
    error: {}
  });
});


module.exports = app;