axios.post(url, params, { responseType: ‘arraybuffer‘ }).then(res => {
        const blob = new Blob([res.data], { type: ‘application/vnd.ms-excel;‘ })
        const fileName =decodeURIComponent( res.headers[‘content-disposition‘].split(‘;‘)[1].split(‘=‘)[1].split(‘.‘)[0])
        // 生成文件路径
        if (window.navigator.msSaveOrOpenBlob) {
            navigator.msSaveBlob(blob, fileName)
        } else {
            var a = document.createElement(‘a‘)
            var url = window.URL.createObjectURL(blob)
            a.href = url
            a.download = fileName
            document.body.appendChild(a)
            a.click()
            document.body.removeChild(a)
            window.URL.revokeObjectURL(url)
        }
    })