[求助] Angular 无法和后端 API 进行交互，而 Postman 都能够使用。

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这是一个创建于 1939 天前的主题，其中的信息可能已经有所发展或是发生改变。

前端

报错

Service 代码

environment.API_URL = 'http://localhost:8080'

const httpOptions = {
  headers: new HttpHeaders({
    'Content-Type':  'application/x-www-form-urlencoded',
  })
};
@Injectable({
  providedIn: 'root'
})
export class LoginService {
  private loginVerifyUrl = '/user/verify';
  private fetchALL = '/user/fetch-all';

  constructor(private http: HttpClient) { }
  
  verifyLogin(email: string, password: string): Observable<any> {
    return this.http.post<LoginToken>(environment.API_URL + this.loginVerifyUrl, {email, password}, httpOptions);
  }
}

Consume 代码

onSubmit() {
    this.token.email = this.emailFormControl.value;
    this.token.password = this.passwordFormControl.value;
    this.loginService.verifyLogin(this.token.email, this.token.password).subscribe( 	data => {
        console.log(data, 'is what we got from the server');
    });
  }