JS - 阿里云 OSS 文件下载通用办法（支持跨域）

// 创建 OSS 客户端对象
createOssClientTemp () {
    return new Promise((resolve) => {
      let client = new OSS({
        accessKeyId: 'xxx',
        accessKeySecret: 'xxx',
        bucket: 'xxx'
      })
      resolve(client)
    })
},
// OSS 文件下载
ossDownloadFile (objectKey) {
    this.createOssClientTemp().then( client => {
      let url = client.signatureUrl(objectKey, {
        response: {
          'content-disposition': 'attachment; filename="' + name + '.' + type + '"'
        },
        expires: 3600
      })
      console.log(url)
      window.location.href = url
    })
}