如何在angular 2 UI中显示编码为base64字符串的pdf？

Question

我有一个被编码为base64字符串的pdf。我需要使用此字符串并在我的angular 2仪表板上显示pdf。

import {Component} from '@angular/core';
import { NgUploaderOptions } from 'ngx-uploader';
import { PdfReaderService } from './pdfReader.service';

@Component({
  templateUrl: './pdfReader.html'
})
export class PdfReader {
pdfSrc: string = 'file:///Users/appgram/Desktop/git/InvoiceSimple.pdf';
public pdfData;

constructor(private _objService: PdfReaderService) {

this._objService
  .getPdf()
  .subscribe(res => {
        this.pdfData = new Buffer(res.file.buffer.data, 
 'binary').toString('base64');

  }, error => {
  });
 }
 }