How to get data from json file in angularjs 2 -
i new angularjs2. have retrieve data json file array. can use json data in components.thanks helping me.
first of need keep json file in src/assets folder , read there http
getfromfile(){ debugger; return this.http.get("./assets/data.json") .map((response: response) =>response.json()) .catch(this._errorhandler); } _errorhandler(error:response){ console.log(error); return observable.throw(error || "internal server error"); }
you need import these:
import { http, response } '@angular/http'; import { observable } 'rxjs/observable'; import 'rxjs/add/operator/map'; import 'rxjs/add/operator/catch'; import 'rxjs/add/observable/throw';
Comments
Post a Comment