Hi, try to modify the return type of store1 function from Observable<string> to Observable<Car> or Observable<any>.
Il giorno giovedì 18 ottobre 2018 13:19:24 UTC+2, [email protected] ha scritto: > > Am trying to post data to php backend and display json call response > message *success* but am having the following errors > > > *Error in src/app/car.service.ts(42,5): error type* > *observable<Object> is not assignable to type Observable<String>* > > Here is *app.component.ts* code > > import { Component, OnInit } from '@angular/core'; > > import { Car } from './car'; > import { CarService } from './car.service'; > > > > > @Component({ > selector: 'app-root', > templateUrl: './app.component.html', > styleUrls: ['./app.component.css'] > }) > export class AppComponent implements OnInit { > > > //cars: Car[]; > > > cars: Car=""; > > > > error = ''; > success = ''; > > car = new Car('', 0); > > constructor(private carService: CarService) { > } > > > ngOnInit() { > //this.getCars(); > } > > > public regCar(r) { > this.resetErrors(); > this.carService.store1(this.car) > .subscribe( > res => { > alert(res); > > if (res === 'success') { // or this.cars['message'] > // Inform the user > this.success = 'Created successfully'; > } > > // Reset the form > r.reset(); > }, > err => this.error = err > ); > } > > private resetErrors(){ > this.success = ''; > this.error = ''; > } > > } > > > Here is the *Car.services.ts* > import { Injectable } from '@angular/core'; > import { HttpClient, HttpErrorResponse, HttpParams } from > '@angular/common/http'; > > import { Observable, throwError } from 'rxjs'; > import { map, catchError } from 'rxjs/operators'; > > import { Car } from './car'; > > > @Injectable({ > providedIn: 'root' > }) > export class CarService { > > baseUrl = 'http://localhost/angular-project1/api'; > > > //cars: ; > > //cars: Car[]; > > constructor(private http: HttpClient) { } > > store1(car: Car): Observable<String> { > return this.http.post(`${this.baseUrl}/store1`, { data: car }) > .pipe( > catchError(this.handleError)); > } > > private handleError(error: HttpErrorResponse) { > console.log(error); > > // return an observable with a user friendly message > return throwError('Error! something went wrong.'); > } > } > > > > here is the* car.ts* > > > > > *export class Car { constructor( model: string, price: number, > id?: number) {}}store.php* > > > *// pass parameter here* > *$car = [* > * 'message' => 'success'* > * ];* > > * echo json_encode($car);* > * }* > * else* > * {* > * http_response_code(422);* > * }* > > > > > > > > -- You received this message because you are subscribed to the Google Groups "Angular and AngularJS discussion" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/angular. For more options, visit https://groups.google.com/d/optout.
