我有一个带有Angular前端的Django REST API。我在前端没有收到任何错误,但是没有json数据记录到控制台。
我有这样的服务:
import { Injectable } from '@angular/core';
import { Http, Response } from '@angular/http';
import 'rxjs/add/operator/map';
@Injectable()
export class WeatherstatsService {
constructor(private http:Http) {
console.log("Hello World");
this.getWeatherData();
// this.getWeatherDataRecords();
}
weatherdata: any = {};
private _WeatherStatsUrl = 'http://127.0.0.1:8000/weatherstats/weatherdata';
getWeatherData() {
return this.http.get(this._WeatherStatsUrl)
.map((res:Response) => res.json());
}
getWeatherDataRecords() {
this.getWeatherData().subscribe(weatherdata => {
console.log(weatherdata)
})
}
}
喂食像这样的组件:
import { Component, OnInit } from '@angular/core';
import { WeatherstatsService } from '../weatherstats.service';
@Component({
selector: 'weather-stats',
templateUrl: './weather-stats.component.html',
styleUrls: ['./weather-stats.component.css']
})
export class WeatherStatsComponent implements OnInit {
data: any;
constructor(private weatherstatsservice: WeatherstatsService) { }
ngOnInit() {
console.log(this.weatherstatsservice.getWeatherData().subscribe(data => this.data = data));
}
}
我是Django和Angular的新手,当我在浏览器中测试API时,我得到了想要的数据。这可能会发生什么,这意味着我看不到json数据?(对刚刚尝试在类似问题上提供帮助的人们表示歉意-我的大脑正被所有这些新东西所激怒!)
安慰:
Subscriber {closed: false, _parent: null, _parents: null, _subscriptions: Array(1), syncErrorValue: null, …}
closed
:
false
destination
:
SafeSubscriber {closed: false, _parent: null, _parents: null, _subscriptions: null, syncErrorValue: null, …}
isStopped
:
false
syncErrorThrowable
:
false
syncErrorThrown
:
false
syncErrorValue
:
null
_parent
:
null
_parents
:
null
_subscriptions
:
Array(1)
0
:
MapSubscriber {closed: true, _parent: null, _parents: null, _subscriptions: null, syncErrorValue: null, …}
length
:
1
__proto__
:
Array(0)
__proto__
:
Subscription
现在,您正在控制台中记录预订,因此您在控制台中获得的输出是正确的。要控制台记录响应,请执行以下操作:
this.weatherstatsservice.getWeatherData()
.subscribe(data => {
this.data = data;
console.log(this.data)
})
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