Blob下载

下载方式

const aBlob = new Blob( array, options ); 

export function downLoadFile(data: ArrayBuffer, fileNmame: string, type: string, fileType: string = 'xls'): void {
  const blob = new Blob([data], { type });
  const url = window.URL.createObjectURL(blob);
  const eleLink = document.createElement('a');
  eleLink.download = `${fileNmame}.${fileType}`;
  eleLink.style.display = 'none';
  eleLink.href = url;
  // 触发点击
  document.body.appendChild(eleLink);
  eleLink.click();
  // 然后移除
  document.body.removeChild(eleLink);
}

下载类型