如何在Angular中使用HttpClient访问传入消息对象？

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

constructor(private http: HttpClient) { }

this.http.get(url).subscribe((response) => {
  // 处理响应数据
}, (error) => {
  // 处理错误
});

this.http.post(url, data).subscribe((response) => {
  // 处理响应数据
}, (error) => {
  // 处理错误
});

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

const headers = new HttpHeaders().set('Authorization', 'Bearer token');

this.http.get(url, { headers }).subscribe((response) => {
  // 处理响应数据
}, (error) => {
  // 处理错误
});

import { map } from 'rxjs/operators';

this.http.get(url).pipe(
  map((response: any) => response.name)
).subscribe((name) => {
  // 处理name属性
}, (error) => {
  // 处理错误
});