/** 创建a标签并为其添加属性 */ let downloadLink = document.createElement("a"); downloadLink.href = downloadHref; downloadLink.download = `台帐模板${Date.now()}.xlsx`; /** 触发点击事件执行下载 */ downloadLink.click(); /** 下载完成进行释放 */ window.URL.revokeObjectURL(downloadHref);...