angular点击下载文件

home.component.html

<button type="button" (click)="download()">下載</button>
    

home.component.ts

 downloadFile(data: any) {
    var blob = new Blob([data], { type: 'text/csv' });
    var url = window.URL.createObjectURL(blob);
    window.open(url);
  }



  download() {

    this.headers = new Headers({});
    this.headers.append('Authorization', this.storageSvc.getUserToken());
    let ActionUrl = 'xxxxxxxxxxxxxx';

    this.http.get(ActionUrl , { headers: this.headers }).subscribe(data =>
      this.downloadFile(data.text())),
      error => console.log("Error downloading the file."),
      () => console.info("OK");

  }