nodejs/nodebase/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 app = express();

// 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', 'favicon.ico')));
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')));

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

var Router = require('./framework/lib/Router.js');
var codeMap = require('./conf/code.inc.js');
require('./conf/config.inc.js');

var ResponseClass = require('./framework/lib/Response.js');
var Doc = require('./framework/Doc.js');
/**
 * @type {Response}
 */
global['Response'] = new ResponseClass(codeMap);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
    global['_req'] = req;
    global['_res'] = res;

    var objRouter = new Router(req.originalUrl);
    /**
     * @type {Controller}
     */
    var Controller = objRouter.getController();

    //doc
    if(req.query['doc'] && req.query['doc'] == 'module') {
        var doc = new Doc();
        var classInfos = doc.getClassInfos(__dirname + '/controllers');
        var docController = new Controller();
        docController.assign({classInfos : classInfos});
        docController.display('doc');
        return;
    }

    if (Controller) {
        var objController = new Controller();
        var action = objRouter.getFullActionName();
        // 先获取get参数，然后获取post参数
        var args = req.query || req.body || {};
        if (objController[action]) {
            objController[action](args);
        } else {
            var msg = 'can not find function ' + objRouter.getActionName();
            Response.error(CODE_NOT_EXIST_INTERFACE, msg);
        }
    } else {
        var msg = 'can not find class ' + objRouter.getControllerName();
        Response.error(CODE_NOT_EXIST_INTERFACE, msg);
    }
});

// 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;