app.js

/**
 * Module dependencies.
 */

var express = require('express'),
  app = express(),
  http = require('http'),
  server = http.createServer(app),
  socket = require('./models/socket'),
  path = require('path'),
  router = require('./routes'),
  mongoStore = require('./node_modules/connect-mongo')(express),
  config = require('./config');

app.configure(function(){
  app.set('port', process.env.PORT || config.port);
  app.set('view engine', config.viewEngine);
  app.set('views', config.viewsDir);
  app.use(express.favicon());
  app.use(express.logger('dev'));
  app.use(express.compress());
  app.use(express.bodyParser({
    uploadDir: './public/KE/attached' //富文本上传目录
  }));
  app.use(express.methodOverride());
  app.use(express.static(path.join(__dirname, config.staticPath)));
  app.use(express.cookieParser());
  app.use(express.session({
    secret: config.dbSettings.cookieSecret,
    cookie: config.dbSettings.cookieExpires,
    store: new mongoStore({db: config.dbSettings.db})
  }));
  app.use(app.router);
});

app.configure('development', function(){
  app.use(express.errorHandler());
});

router(app);

socket.socketStart(server);

server.listen(app.get('port'), function(){
  console.log("Express server listening on port " + app.get('port'));
});