我正在尝试从以下API获取数组数据:http://dradiobeats.x10host.com/api/areas
我的app.component.ts:
import { Component, OnInit } from "@angular/core";
import { User } from "./users.model";
import { UsersService } from "./users.service";
@Component({
selector: "app-root",
templateUrl: "./app.component.html",
styleUrls: ["./app.component.css"]
})
export class AppComponent implements OnInit {
users$: User[];
constructor(private userService: UsersService) {}
ngOnInit() {
return this.userService.getUsers().subscribe(Data => (this.users$ = Data));
}
}
app.component.html:
<div *ngFor="let users of users$">
<p>{{ users.name }}</p>
</div>
user.service.ts:
import { Injectable } from "@angular/core";
import { HttpClient } from "@angular/common/http";
import { User } from "./users.model";
@Injectable({
providedIn: "root"
})
export class UsersService {
apiUrl = "http://dradiobeats.x10host.com/api/areas";
constructor(private _http: HttpClient) {}
getUsers() {
return this._http.get<User[]>(this.apiUrl);
}
}
user.model.ts:
export class User {
name: string;
description: string;
domain: string;
}
谢谢。
API返回了一个包含您的数据的对象,而不是一个数组。如果您将console.log()作为API cal的结果,则会看到它内部可能还有另一个元素,例如数组。
{
data: [... list of items...]
}
所以您只需要将代码行更改为:
return this.userService.getUsers().subscribe(Data => (this.users$ = Data.data));