以下是一个示例代码,用于演示如何使用订阅函数和错误处理函数,在 Angular 中正确处理订阅响应:
import { Component } from '@angular/core';
import { HttpClient } from '@angular/common/http';
@Component({
selector: 'app-root',
template: '{{data}}
',
styleUrls: ['./app.component.css']
})
export class AppComponent {
data: any;
constructor(private http: HttpClient) {}
ngOnInit() {
this.http.get('https://jsonplaceholder.typicode.com/posts/1').subscribe(
(response) => {
this.data = response;
},
(error) => {
console.log(error);
}
);
}
}