deleteObject method
Implementation
deleteObject(String objectKey) async {
cosLog("deleteObject");
var response = await getResponse("DELETE", objectKey);
cosLog("request-id:" + (response.headers["x-cos-request-id"]?.first ?? ""));
if (response.statusCode != 204) {
cosLog("deleteObject error");
String content = await response.transform(utf8.decoder).join("");
throw COSException(response.statusCode, content);
}
}