Angular下载文件

1  public Down(path: string) {
2
3    return this.http.get(path, { responseType: "blob" }).subscribe((results) => {
4
5      this.saveExcel(results, "导出数据");
6    });
7
8  }
9
10/**
11  * 请求成功之后保存成excel文件（基本导出方法，请求成功之后调用）
12  * @param data
13  * @param name
14  */
15  public saveExcel(data: Blob, name: string) {
16    var a = document.createElement('a');
17    var blob = new Blob([data], { 'type': "application/vnd.ms-excel" });
18    a.href = URL.createObjectURL(blob);
19    a.download = name + ".csv";
20    a.click();
21  }