Kann Express.js Server nicht mit dem Angular Frontend verbinden
constructor() {
this.app = express()
}
Initialize{
this.app.use((req, res, next) => {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
res.header('Access-Control-Allow-Methods', 'OPTIONS, GET, POST, PUT');
if('OPTIONS' === req.method){
res.sendStatus(200);
}
else {
next();
}
})
this.app.use(RouterWebservices)
this.app.listen(your.HttpPort, your.Ip, () => {
console.log('Server now listening at ', your.HttpPort, 'IP ', your.Ip);
})
}
SAMER SAEID