How to download multiple file in angular 2 -

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this code download file in angular 2. want download pdf, txt, docx, excel file code. used file saver can download diffrent files on click of button. 

public downloadcsvfile()    {       this.downloadpdf().subscribe(       (res) =>           {              //console.log(res);                saveas(res,'frontend.xlsx')          }       );    }     public downloadpdf():     {       let urls='assets/files/frontend.xlsx'       let headers = new headers();       //headers.append('authorization', 'jwt ' + localstorage.getitem('id_token'));       return this.http.get(urls, { headers: headers,responsetype: responsecontenttype.blob }).map(          (res) => {             return new blob([res.blob()], { type: 'application/vnd.ms-excel' })          })    }

this html code how download diffrent file. file name displayed in table want corrosponding file downloaded.

<tr *ngfor ="let mydrive of providermydrive">          <td>{{ mydrive.name }}</td>          <td>{{ mydrive.filetype }}</td>          <td>{{ mydrive.size }}</td>          <td>{{ mydrive.uploaddate }}</td>          <td><input type="button" (click)="downloadcsvfile()" value="download"></td>          <td></td>       </tr>

just create link , click it:

this.storageservice.downloadfile(path).subscribe(       res => {         let link = document.createelement('a');         link.href = window.url.createobjecturl(res.blob());         link.download = path;          link.click();       }, error => this.globalservice.errorsubject.next(error)     );




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