javascript 基本快递和猫鼬CRUD应用程序

Posted 2021-05-04

/**
 * Module dependencies.
 */

var express = require('express')
  , routes = require('./routes')
  , http = require('http')
  , mongoose = require('mongoose')
  , path = require('path');

var app = express();

mongoose.connect('mongodb://localhost/truckroutes');

app.configure(function(){
  app.set('port', process.env.PORT || 3000);
  app.set('views', __dirname + '/views');
  app.set('view engine', 'ejs');
  app.use(express.favicon());
  app.use(express.logger('dev'));
  app.use(express.bodyParser());
  app.use(express.methodOverride());
  app.use(express.cookieParser('your secret here'));
  app.use(express.session());
  app.use(app.router);
  app.use(express.static(path.join(__dirname, 'public')));
});

var Schema = mongoose.Schema; 

var Drivers = new Schema({
    firstName: { type: String, required: true },
    lastName: { type: String, required: true },
});

var Trucks = new Schema({
    licenceNo: { type: String, required: true },
    title: { type: String, required: true },
});

var Routes = new Schema({
    title: { type: String, required: true },
	len: {type: Number},
});

var Trip = new Schema({
    customRoute: { type: String, required: false },
	route:[Routes],
    driver: [Drivers],
    truck: [Trucks],
    modified: { type: Date, default: Date.now }
});

var DriversModel = mongoose.model('Drivers', Drivers);
var TripsModel = mongoose.model('Trips', Drivers);

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

app.get('/', function(req, res){
  res.render('index', {
    title: 'Home'
  });
});

app.get('/drivers', function(req, res){

	return DriversModel.find(function (err, drivers) {
		if (!err) {
			res.render('driver_list', {
				drivers:drivers,
				title: 'Drivers'
			});
			
			
		} else {
			return console.log(err);
		}
	});
});

app.get('/drivers/add', function(req, res){
	var driver_data={
		_id:"",
		firstName:"",
		lastName:""
	};
	res.render('driver_edit', {
		title: 'Driver data',
		driver:driver_data
	});
});

app.post('/drivers/add', function(req, res){
	console.log(req.body);
	var driver;
	
	driver = new DriversModel({
		firstName:req.body.firstname,
		lastName:req.body.lastname,
	});
	
	driver.save(function (err) {
		if (!err) {
			return console.log("created");
		} else {
			//TODO: return page with errors
			return console.log(err);
		}
	});
	//TODO: return to list page, if saved
	res.redirect('/drivers/', 301);
	//return res.send(driver);	
});

app.get('/drivers/:id', function(req, res){
	return DriversModel.findById(req.params.id, function (err, driver_data) {
		if (!err) {
			res.render('driver_edit', {
				title: 'Driver data',
				driver:driver_data
			});
		} else {
			return console.log(err);
		}
	});

  res.render('driver_edit', {
    title: 'Driver data'
  });
});

app.post('/drivers/:id', function(req, res){

	return DriversModel.findById(req.params.id, function (err, driver_data) {
		driver_data.firstName=req.body.firstname;
		driver_data.lastName=req.body.lastname;
		return driver_data.save(function (err) {
			if (!err) {
				console.log("updated");
			} else {
				console.log(err);
			}
			res.redirect('/drivers/', 301);
		});
	});
});

app.get('/trips', function(req, res){
	return TripsModel.find(function (err, trip_list) {
		if (!err) {
			res.render('trip_list', {
				trips:trip_list,
				title: 'trips'
			});
			
			
		} else {
			return console.log(err);
		}
	});

});

app.get('/json/drivers', function(req, res){

	DriversModel.find(function (err, drivers_list) {
    if (!err) {
		res.json(drivers_list);
    } else {
		res.json({});
    }
	});
});


app.get('/trips/add', function(req, res){

	var trip_data={
		_id:"",
		route:"",
		customRoute:""
	};
	res.render('trip_edit', {
		title: 'Trips',
		trip: trip_data
	});
});


app.get('/routes', function(req, res){
  res.render('routes', {
    title: 'Routes'
  });
});



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