service.ts:
teste(user) {
return this.http.post('api/home', user)
}
teste.component.ts:
ok(user){
this.loginServ.teste(user)
.subscribe(data => {
let retorno = (data as any)
console.log(retorno);
})
}
Return is only empty and I can not understand why. Can anyone help?
instead of:
teste(user) {
return this.http.post('api/home', user)
}
I solved it like this:
teste(user) {
return this.http.post('api/home', {user:user})
}
I believe you are returning a Promise , then the .then() method should be used in the request, the .subscribe() method is for Observables .
Service
function teste(user) {
return this.http.post('api/home', user);
}
For Promises
ok(user){
this.loginServ.teste(user)
.then(success);
function success(response){
console.log(response);
}
}
For Observables
ok(user){
this.loginServ.teste(user)
.subscribe(data => {
console.log(data);
});
}
Promises vs Observables
Promises - Promises deal with sigular events when an asynchronous operation succeeds or fails.
Observable - An Observable is like a Stream and allows you to pass 0 or more events when the response is returned and also call functions or callbacks for those events. >