vue上传文件到Minio

var Minio = require('minio');
let s3 = new Minio.Client({
    endPoint: '192.168.xxx.xxx',
    port: 9000,
    useSSL: false,
    accessKey: 'xxxx',
    secretKey: 'xxxx',
    Region:'xxxxxx',

});
//base64转bolb
function dataURLtoBlob(dataurl) {
    var arr = dataurl.split(',');
     //注意base64的最后面中括号和引号是不转译的   
     var _arr = arr[1].substring(0,arr[1].length-2);
     var mime = arr[0].match(/:(.*?);/)[1],
         bstr =atob(_arr),
         n = bstr.length,
         u8arr = new Uint8Array(n);
     while (n--) {
         u8arr[n] = bstr.charCodeAt(n);
     }
     return new Blob([u8arr], {
         type: mime
     });
 };

export function uploadFile(file){
    var metaData = {
        'Content-Type': file.type,
        "content-length":file.size
    }
    let reader = new FileReader();
    reader.readAsDataU