1.js

const ALY = require('aliyun-sdk');
var oss = new ALY.OSS({
    "accessKeyId": '',
    "secretAccessKey": '',
    "endpoint": 'http://oss-us-west-1.aliyuncs.com',
    "apiVersion": "2013-10-15"
});
var redirUrl = oss.getSignedUrl('getObject', {
    Bucket: 'meteormatt',
    Key: 'Mac图标.jpg',
    Expires: 1800,
    ResponseContentDisposition: 'attachment; filename="Mac图标.jpg"'
});
console.log(redirUrl);