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 config  = require('./config/config');

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


app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));


//引入路由

var rtIndex = require('./routes/index');//首页路由
var rtUser = require('./routes/user');//用户路由
var rtError = require('./routes/error');//错误处理路由
app.use('/', rtIndex);
app.use('/error', rtError);
app.use('/user', rtUser);



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




module.exports = app;