如何在Angular7中获得环回的响应

Question

我正在使用带有环回的angular7。我可以获得唯一的数据。任何人都可以告诉我如何获得错误和响应状态。我想知道请求时间的响应代码是什么。

输出数据

[
 {
"name": "karthik",
"lastname": "Selvakumar",
"course": "BE",
"year": "IV"
"id": 2
 }
]

Answer 1

您可以从HttpResponse获取响应代码，如下所示：

import { Component, OnInit } from '@angular/core';

import { HttpClient } from  "@angular/common/http";
@Component({
  selector: 'my-app',
  templateUrl: './app.component.html',
  styleUrls: [ './app.component.css' ]
})
export class AppComponent implements OnInit {
  status;

  constructor(private http: HttpClient) {}


  ngOnInit() {
    this.http.get('https://jsonplaceholder.typicode.com/posts?page=0', {observe: 'response'})
    .toPromise().then((response) => {
      this.status = response.status;
    })
  }
}

工作stackblitz