我試圖使用Service類獲取JSON數據。 Service類Angular 2方法不訂閱可觀察的
import { Injectable } from '@angular/core';
import { Http, HttpModule, Response } from '@angular/http';
import { GeneralTab } from './generalTab';
import 'rxjs/Rx';
import { Observable } from 'rxjs/Observable';
@Injectable()
export class GeneralTabService {
constructor(private _http : Http) {
console.log("Http call");
}
getStatus(): Observable<any> {
return this._http.get('http://samd.server.lan.at/taskmanagement/rest/taskconfigs/IND?language=EN&access_token=200')
.map((res:Response) => <GeneralTab[]>res.json())
.do(data => console.log("All: " + JSON.stringify(data)))
.catch(this.handleError);
}
private handleError (error: any) {
let errMsg = (error.message) ? error.message :
error.status ? `${error.status} - ${error.statusText}` : 'Server error';
return Observable.throw(errMsg);
}
}
Component類
import { Component, OnInit } from '@angular/core';
import {GeneralTab} from "./generalTab";
import {GeneralTabService} from "./generalTab.service";
import { Observable } from 'rxjs/Observable';
@Component({
selector: 'general-tab',
templateUrl: '/general.component.html',
providers : [GeneralTabService]
})
export class GeneralComponent implements OnInit{
title = 'Serving data from General Component';
errorMessage: any;
status: GeneralTab [];
mode = 'Observable';
constructor (private generalService: GeneralTabService) {
this.status = [];
}
ngOnInit() {
console.log("Started");
this.generalService.getStatus().subscribe(
(status: any) => this.status = status,
(error: any) => this.errorMessage = error
);
console.log(this.status);
}
}
常規選項類
export class GeneralTab {
constructor(public recipientId : string,
public recipientName: string,
public recipientFullname: string,
public ouId:String,
public ouName:String,
public institute:number,
public shortName:String,
public status:String)
{
}
}
我在控制檯看到。做(數據=>的console.log ( 「ALL:」 + JSON .stringify(data)))正在接收JSON數據,例如
{「subjectsConfig」:[{「subject」:「Client Data Maintenance」,「preselected」:false,「initialDueDate」:「2016-11- 24" , 「actionConfigs」:[{ 「動作」: 「SEND」, 「接收者」:[{ 「用戶」:{ 「recipientId」: 「BD27A4F5923FCA13」, 「RECIPIENTNAME」: 「ABTABT」, 「recipientFullname」:「ABTABT 「,」ouId「:」BD27A4F5923FCA13「,」ouName「:」0015「,....
訂閱不會將任何數據分配給狀態數組,並且我正在變空白狀態數組。我想將這些數據作爲狀態變量的數組用於測試目的。如何得到?