axios请求pdf文件流并下载保存

function DownloadPdf() {
    return request({
        url: 'xxxxx',
        method: 'get',
        responseType: 'blob' // 重点
    })
}

const url = URL.createObjectURL(new Blob([data], { type: 'application/pdf;charset-UTF-8' }))
const a = document.createElement('a')
a.style.display = 'none'
a.download = 'fileName'
a.href = url
a.click()
if (document.body.contains(a)) {
    document.body.removeChild(a)
}