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

var app = express();

// view engine setup
var swig = require('swig');
var swig = new swig.Swig();
app.engine('html', swig.renderFile);
app.set('view engine', 'html');

//设置views文件夹的位置
app.set('views', path.join(__dirname, 'views'));

//设置端口
app.set('port', process.env.PORT || 4000)

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




//把静态文件挂在到一个叫log的目录下
app.use('/log', express.static(path.join(__dirname, 'public')));


app.use('/', index);
app.use('/log/users', users);
app.use('/log/residence', residence);
app.use('/log/worker', worker);

// 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');
});

app.listen(app.get('port'));
module.exports = app;