Angular 6 ResponseContentType

import { HttpClient, HttpHeaders, HttpResponse } from '@angular/common/http';

// 创建一个服务或组件
export class MyService {
  constructor(private http: HttpClient) {}

  // 发送GET请求并获取纯文本响应
  getTextResponse(): Observable<string> {
    const url = 'https://example.com/api/text';
    const headers = new HttpHeaders().set('Accept', 'text/plain');
    return this.http.get(url, { responseType: 'text' });
  }

  // 发送GET请求并获取JSON响应
  getJsonResponse(): Observable<any> {
    const url = 'https://example.com/api/json';
    const headers = new HttpHeaders().set('Accept', 'application/json');
    return this.http.get(url, { responseType: 'json' });
  }

  // 发送GET请求并获取二进制响应
  getBinaryResponse(): Observable<Blob> {
    const url = 'https://example.com/api/binary';
    const headers = new HttpHeaders().set('Accept', 'application/octet-stream');
    return this.http.get(url, { responseType: 'blob' });
  }

  // 发送GET请求并获取ArrayBuffer响应
  getArrayBufferResponse(): Observable<ArrayBuffer> {
    const url = 'https://example.com/api/arraybuffer';
    const headers = new HttpHeaders().set('Accept', 'application/octet-stream');
    return this.http.get(url, { responseType: 'arraybuffer' });
  }
}