我确实阅读了所有其他主题,但没有一个解决方案解决了我的问题。
我写了npm start并且服务器正常运行,但是app-root似乎没有加载客户端(Angular 2应用程序)。
我只是得到一个空的html页面:
加载...
(在页面下方查看我的html文件)
任何可能导致它的原因 - 或任何建议的解决方案? 谢谢。
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 mongoose = require('mongoose')
//Set up default mongoose connection
var mongoDB = 'mongodb://localhost/beatblocks';
// Get Mongoose to use the global promise library
mongoose.Promise = global.Promise;
mongoose.connect(mongoDB, function(err) {
if (err){
console.log("error connecting to db...")
}
console.log("connected to database...");
});
// Load Songs Model
require('./models/songs');
const songs = mongoose.model('songs');
// Load Locations Model
require('./models/locations');
const locations = mongoose.model('locations');
// Load users Model
require('./models/users');
const users = mongoose.model('users');
var routeIndex = require('./routes/index');
var routeSongs = require('./routes/songs');
var routeUsers = require('./routes/users');
//var routeLocations = require('./routes/locations');
var app = express();
var router = express.Router();
// Set Static Folder
app.use(express.static(path.join(__dirname, 'views')));
app.use(express.static(path.join(__dirname, '/client/dist')));
app.use(express.static(path.join(__dirname, 'client/src')));
//View Engine
app.engine('ejs', require('ejs').renderFile);
app.set('view engine', 'ejs');
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(cookieParser());
app.use('/', routeIndex);
app.use('/songs', routeSongs);
app.use('/users', routeUsers);
//app.use('/locations', routeLocations);
module.exports = app;

www.js
#!/usr/bin/env node
/**
* Module dependencies.
*/
var app = require('../app');
var debug = require('debug')('beatblocksweb:server');
var http = require('http');
/**
* Get port from environment and store in Express.
*/
var port = normalizePort(process.env.PORT || '3000');
app.set('port', port);
/**
* Create HTTP server.
*/
var server = http.createServer(app);
/**
* Listen on provided port, on all network interfaces.
*/
app.listen(port, function(){
console.log('Server started on port '+port);
});
server.on('error', onError);
server.on('listening', onListening);
/**
* Normalize a port into a number, string, or false.
*/
function normalizePort(val) {
var port = parseInt(val, 10);
if (isNaN(port)) {
// named pipe
return val;
}
if (port >= 0) {
// port number
return port;
}
return false;
}
/**
* Event listener for HTTP server "error" event.
*/
function onError(error) {
if (error.syscall !== 'listen') {
throw error;
}
var bind = typeof port === 'string'
? 'Pipe ' + port
: 'Port ' + port;
// handle specific listen errors with friendly messages
switch (error.code) {
case 'EACCES':
console.error(bind + ' requires elevated privileges');
process.exit(1);
break;
case 'EADDRINUSE':
console.error(bind + ' is already in use');
process.exit(1);
break;
default:
throw error;
}
}
/**
* Event listener for HTTP server "listening" event.
*/
function onListening() {
var addr = server.address();
var bind = typeof addr === 'string'
? 'pipe ' + addr
: 'port ' + addr.port;
debug('Listening on ' + bind);
}

我的index.html:
<html>
<head>
<title>Beat Blocks</title>
</head>
<body>
<app-root>Loading...</app-root>
<app-header></app-header>
</body>
</html>
&#13;
我的项目: