我如何安裝MVC nodejs + express

Question

我有一個nodejs + express項目。我想掛載控制器和視圖，但我不知道如何。

在我app.js我有var stats = require('./controllers/stats');和app.use(stats);

我的文件夾控制器：stats/index.js，我的觀點：stats/index.jade.

，當我嘗試訪問localhost:1200/stats - >不能獲得/統計

是需要路線？

我用快遞 「3.2.6」

我app.js

/** 
* Module dependencies. 
*/ 

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

var app = express(); 

//modulos 
**var stats = require('./controllers/stats');** 

// all environments 
app.set('port', process.env.PORT || 3000); 
app.set('views', __dirname + '/views'); 
app.set('view engine', 'jade'); 
app.use(express.favicon()); 
app.use(express.logger('dev')); 
app.use(express.bodyParser()); 
app.use(express.methodOverride()); 
app.use(app.router); 
app.use(express.static(path.join(__dirname, 'public'))); 

// development only 
if ('development' == app.get('env')) { 
    app.use(express.errorHandler()); 
} 

app.get('/', routes.index); 
app.get('/users', user.list); 

//rutas 
**app.use(stats);** 

var server = app.listen(1200); 
console.log('Express server listening on port 1200'); 

在我的控制器

var express = require('express'); 
var app = module.exports = express(); 

app.set('views', __dirname + '/views'); 

app.get('/views/stats', function(request, response) { 

    response.render('index', { 
    title: 'Estamos en el controlador stats' 
    }); 

}); 

在我看來

extends layout 

block content 
    h1= title 
    p Welcome to #{title} 
    p esta es la vista del controlador Stats 

Answer 1

下面是完整的解。由於這是我很久以前遇到的一個有效問題，因此我給出了整個代碼。但是否理解它是給你的。

在app.js

var config = require('./config/config.js'); 
var express = require('express'); 
var app = express(); 
config.setConfig(app, express); 

if (config.requestMethod == 'HTTPS') { 
    var request = require('https'); 
    var options = [config.httpsOptions, app]; 
} else if(config.requestMethod == 'HTTP') { 
    var request = require('http'); 
    var options = [app]; 
} 

require('./config/db.js'); 

var server = request.createServer.apply(this, options).listen(app.get('port'), function() { 
    console.log("Server started"); 
}); 

require('./route/router')(app); 

在/config/config.js

var fs = require('fs'); 
module.exports = { 
    port: 8443, 
    mode: 'development', 
    requestMethod: 'HTTP', 
    httpsOptions: { 
     key: fs.readFileSync('/etc/apache2/ssl/server.key'), 
     cert: fs.readFileSync('/etc/apache2/ssl/server.crt'), 
     requestCert: false, 
     rejectUnauthorized: false 
    }, 
    setConfig: function(app, express) { 
     app.set('port', process.env.PORT || module.exports.port); 
     app.set('view engine', 'jade'); 
     app.use(express.favicon()); 
     //app.use(express.logger('dev')); 
     app.use(express.json()); 
     app.use(express.urlencoded()); 
     app.use(express.methodOverride()); 
     app.use(app.router); 
    } 
}; 

如果是HTTP而已，你可以刪除HTTPS相關的選項。

在/config/db.js

var mongo = require('mongoskin'); 

var MONGODB_HOST = "localhost"; 
var MONGODB_PORT = "27017"; 
var MONGODB_DATABSE = "dbname"; 
var MONGODB_USER_RW_NAME = "dbuser"; 
var MONGODB_USER_RW_PASS = "admin"; 

var db = mongo.db('mongodb://'+MONGODB_USER_RW_NAME+':'+MONGODB_USER_RW_PASS+'@'+MONGODB_HOST+':'+MONGODB_PORT+'/'+MONGODB_DATABSE, {safe: false}); 
var Tracking = require('../model/tracking.js'); 

GLOBAL.db = db; 
GLOBAL.HOST = 'localhost'; 
GLOBAL.HEADER_MATCH = /localhost/i; 
GLOBAL.ROOT_PATH = '/site/index.php/'; 
GLOBAL.Tracking = Tracking.construct(db); 

跟蹤是我寫了一個自定義模式。您將在稍後看到代碼。

在/route/router.js

router = function(app) { 
    var routes = { 
     'POST /test/link': 'testController.test' 
    }; 

    var loadedControllers = {}; 
    for(var i in routes) { 
     var requestMethod = i.split(' ')[0].toLowerCase(); 
     var routeURL = i.split(' ')[1]; 
     var controller = routes[i].split('.')[0]; 
     var method = routes[i].split('.')[1]; 
     if (loadedControllers[controller]) { 
      var loadControl = loadedControllers[controller]; 
     } else { 
      var loadControl = require('../controller/' + controller); 
      loadedControllers[controller] = loadControl; 
     } 
     app[requestMethod](routeURL, loadControl[method]); 
    } 
}; 
module.exports = router; 

，當你添加一個新的URL或API，你需要添加路由一個條目對象鏈接URL到控制器。

在/controller/testController.js，

exports.test = function(req, res) { 
    //Your code 
}; 

在/模型/跟蹤/ JS，

exports.construct = function(db) { 
    var _Tracking = function(data) { 
     this.info = { 
     _id: data && data._id || null, 
     value: data.value || 0 
    }; 

    _Tracking.test = function(id, cb) { 
     //your code involving db 
     cb(); //Send parameters to callback if necessary 
     //Call this function from controller directly using Tracking.test 
    }; 
    return _Tracking; 
}; 

就是這樣。您可以在此基礎上構建。

Answer 2

首先，我需要在我的應用程序的根目錄中的三個文件夾。

車型

意見

控制器

現在到應用程序。JS

var express = require('express'); 
     ,http = require('http'); 
     ,path = require('path'); 
     ,app = express(); 
     ,fs = require('fs'); 

// database connection 
var mongoose = require('mongoose'); 
mongoose.connect('mongodb://localhost/mydb'); 

// some environment variables 
app.set('port', process.env.PORT || 3000); 
app.set('views', __dirname + '/views'); 
app.set('view engine', 'jade'); 
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'))); 

// dynamically include routes (Controller) 
fs.readdirSync('./controllers').forEach(function (file) { 
    if(file.substr(-3) == '.js') { 
     route = require('./controllers/' + file); 
     route.controller(app); 
    } 
}); 

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

這裏是我在控制器放置一個例子/ users.js

var mongoose = require('mongoose') 
var Video = require('../models/user'); 
module.exports.controller = function(app) { 

/** 
* a home page route 
*/ 
    app.get('/signup', function(req, res) { 
     // any logic goes here 
     res.render('users/signup') 
    }); 

/** 
* About page route 
*/ 
    app.get('/login', function(req, res) { 
     // any logic goes here 
     res.render('users/login') 
    }); 

} 

res.render（ '用戶/註冊'），這導致在該視圖從視圖/用戶被裝載/ signup.jade在這個應用程序。

最後，以供參考，在這裏是在模型的模型/ user.js的可能是什麼樣子：

Var mongoose = require('mongoose') 
     ,Schema = mongoose.Schema 
     userSchema = new Schema({ 
      username: String, 
      password: String 
     }), 
User = mongoose.model('user', userSchema); 

module.exports = User;