標籤:
Create a Firebase Servcie:
import {Injectable} from ‘angular2/core‘;import {Http, Response} from ‘angular2/http‘;@Injectable()export class FirebaseService{ constructor(private _http: Http){ } addOneHistory(keyword: string){ const body = JSON.stringify({keyword: keyword}); return this._http.post(‘https://xxx.com/searchHistory.json‘, body) .map( (res: Response) => { return res.json(); }); } getHistories(){ return this._http.get(‘https://xxxx/searchHistory.json‘) .map( (res: Response)=>{ return res.json(); }) .map( (hObj) => { return Object.keys(hObj) .map( (key)=>{ return hObj[key]; }); }) }}
Display the list:
import {Component, OnInit, Input} from ‘angular2/core‘;import {FirebaseService} from ‘./FirebaseService‘;@Component({ selector: ‘history‘, template: `<ul><li *ngFor="#item of histories | async"> {{item?.keyword}}</li></ul>`})export class HistroyComponent implements OnInit { histories; constructor(private _fireBaseService:FirebaseService) { } ngOnInit() { this.histories = this._fireBaseService.getHistories(); }}
[Angular 2] Get start with Firebase