在 Nodejs 中使用 angular 向我的 API 发出请求时出错 [已关闭]

问：

我正在尝试在 angular 版本 17 中独立发出一个简单的请求，但我只是收到错误，我的代码如下所示：

config.ts:

// app.config.ts
import { ApplicationConfig } from '@angular/core';
import { provideRouter } from '@angular/router';
import { routes } from './app.routes';
import { provideClientHydration } from '@angular/platform-browser';
import { HttpBackend, HttpClient } from '@angular/common/http';

export const appConfig: ApplicationConfig = {
  providers: [
    provideRouter(routes),
    provideClientHydration(),
    {
      provide: HttpClient,
      useFactory: (backend: HttpBackend) => {
        return new HttpClient(backend);
      },
    },
  ],
};

login.component.ts:

// login.component.ts
import { Component } from '@angular/core';
import { AuthService } from '../auth.service';
import { FormsModule } from '@angular/forms';
import { HttpClientModule } from '@angular/common/http';

@Component({
  selector: 'app-login',
  standalone: true,
  imports: [FormsModule, HttpClientModule],
  templateUrl: './login.component.html',
  styleUrls: ['./login.component.sass']
})
export class LoginComponent {
  loginEmail: string = '';
  loginSenha: string = '';

  registerNome: string = '';
  registerEmail: string = '';
  registerSenha: string = '';

  constructor(private authService: AuthService) {}

  login(): void {
    this.authService.login(this.loginEmail, this.loginSenha)
      .subscribe(
        response => {
          localStorage.setItem('token', response.token);
          console.log("dados recebidos");
          // Faça o que precisa após o login, por exemplo, redirecione para outra página
        },
        error => {
          console.log("erro no login");
        }
      );
  }

  register(): void {
    this.authService.register(this.registerNome, this.registerEmail, this.registerSenha).subscribe(
      response => {
        localStorage.setItem('token', response.token);
        // Faça o que precisa após o registro, por exemplo, redirecione para outra página
      },
      error => {
        console.error('Erro no cadastro:', error);
        // Trate o erro, exiba uma mensagem ao usuário, etc.
      }
    );
  }
}

auth.service.ts: 

// auth.service.ts
import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';
import { Observable, throwError } from 'rxjs';
import { catchError } from 'rxjs/operators';
import { tap } from 'rxjs/operators';

@Injectable({
  providedIn: 'root'
})
export class AuthService {
  private baseUrl = 'https://pesquisa-lymphoma.vercel.app/api';

  constructor(private http: HttpClient) {}

  login(email: string, senha: string): Observable<any> {
    const body = { email, senha };
    console.log('URL de login:', `${this.baseUrl}/getTestData?email=${body.email}&senha=${body.senha}`);

    const url = `${this.baseUrl}/getTestData?email=${body.email}&senha=${body.senha}`;
    this.http.get(url).pipe(
      tap(data => {
        console.log('Dados obtidos:', data);
        // Faça qualquer manipulação adicional nos dados, se necessário
      })
    );

    return this.http.get(`${this.baseUrl}/getTestData?email=${body.email}&senha=${body.senha}`)
}


  register(nome: string, email: string, senha: string): Observable<any> {
    const body = { nome, email, senha };
    console.log(body);
    return this.http.post(`${this.baseUrl}/register`, body).pipe(
      catchError(this.handleError)
    );
  }

  private handleError(error: any): Observable<never> {
    console.error('Erro na requisição:', error);
    return throwError(error);
  }
}

例如，登录表单将数据发送到 Auth 没有任何问题，但这可能是请求的问题（只是我的猜测）。 我希望能够发出登录请求，因为其余部分的登录请求更像是一样的