关于javascript:Util-前端-下载导出-文件

export const exportFile = (url, fileName) => {    function createObjectURL(object) {        return window.URL ? window.URL.createObjectURL(object) : window.webkitURL.createObjectURL(object)    }    let xhr = new XMLHttpRequest();    let formData = new FormData();    xhr.open('get', url);    xhr.setRequestHeader('Auth-User-Token', getCookie('token'));    xhr.responseType = 'blob';    xhr.onload = function (e) {        if (this.status === 200) {            let blob = this.response;            let newFileName = `${fileName}`;            if (window.navigator.msSaveOrOpenBlob) {                navigator.msSaveBlob(blob, newFileName)            } else {                let a = document.createElement('a');                let url = createObjectURL(blob);                a.href = url;                a.download = newFileName;                document.body.append(a);                a.click();                window.URL.revokeObjectURL(url);            }        }    };    xhr.send(formData)};