tencent cloud

cos.getObjectUrl(
  {
    Bucket: 'examplebucket-1250000000', // Your bucket name. Required. //
    Region: 'COS_REGION', // Bucket region (required), such as ap-beijing //
    Key: 'Profile photo.jpg', // Object key stored in the bucket (required), such as `1.jpg` and `a/b/test.txt`. //
    Sign: true, // Get a signed object URL. //
  },
  function (err, data) {
    if (err) return console.log(err);
    /* The URL is the object access URL. */
    var url = data.Url;
    /* Copy the value of `downloadUrl` to the browser and open it, and then download is automatically triggered. */
    var downloadUrl =
      url +
      (url.indexOf('?') > -1 ? '&' : '?') +
      'response-content-disposition=attachment';filename=picture.jpg'; // Add the parameter for a forced download
  }
);

function(err, data) { ... }