Angular2 - HTTP 请求选项标头

Angular 2 中的 HTTP 请求选项标头

typescript
import { Injectable } from '@angular/core';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { Observable } from 'rxjs';
@Injectable({
  providedIn: 'root'
})
export class MyHttpService {
  constructor(private http: HttpClient) { }
  makeRequest(): Observable {
    // 创建自定义的 HttpHeaders 对象
    const headers = new HttpHeaders()
      .set('Authorization', 'Bearer my-access-token')
      .set('Content-Type', 'application/json');
    // 设置请求选项，包括自定义的 HttpHeaders
    const options = {
      headers: headers
    };
    // 发送 HTTP GET 请求
    return this.http.get('https://api.example.com/data', options);
  }
}