vue response post 请求 excle 下载

export function downloadExcel(obj) {
  return request({
    url: '/basic/cycleMoneyReport/downloadExcel',
    method: 'post',
    data: obj,
    // 请求方式必须添加 responseType 相应方式
    responseType: 'blob'
  })
}

/**
 * 从response读取流下载
 * @param response 响应体
 * @param suffix 文件后缀名
 */
export function downloadBlob(res,name){
  console.log(res)
  let blob = new Blob([res.data], {type: 'data:application/vnd.ms-excel;base64;charset=utf-8'});
  let downloadElement = document.createElement('a');
  let href = window.URL.createObjectURL(blob); //创建下载的链接
  downloadElement.href = href;
  downloadElement.download = name+'.xlsx'; //下载后文件名
  document.body.appendChild(downloadElement);
  downloadElement.click(); //点击下载
  document.body.removeChild(downloadElement); //下载完成移除元素
  window.URL.revokeObjectURL(href); //释放掉blob对象
  return true
}

downloadExcel({
        year: this.year,
        month: this.paramDate,
        type: this.typeValue
      }).then(response => {
        downloadBlob(response,"报表")
      })