let url = URLParser.submitUrl(`/download`);
return new Promise((resolve, reject) => {
    axios({
        method: ‘get‘,// post
        url: url,
　　　　　data : ‘‘,
        responseType: ‘blob‘
    }).then((response) => {
        const blob = new Blob([response.data]);
        let fileName = ‘notification-request.xsd‘;
        if (‘download‘ in document.createElement(‘a‘)) { // 非IE下载
            const elink = document.createElement(‘a‘);
            elink.download = fileName;
            elink.style.display = ‘none‘;
            elink.href = URL.createObjectURL(blob);
            document.body.appendChild(elink);
            elink.click();
            URL.revokeObjectURL(elink.href);// 释放URL 对象
            document.body.removeChild(elink)
        } else { // IE10+下载
            navigator.msSaveBlob(blob, fileName)
        }
        resolve(response);
    }).catch((err) => {
        reject(err)
    })
})

axios get post下载文件