文件上传 flutter sdk 使用报错。版本0.3.0

Question

qiniu_flutter_sdk: ^0.3.0

Unhandled Exception: StorageError [StorageErrorType.UNKNOWN, null]: type 'Null' is not a subtype of type 'String' in type cast

0 new PutPolicy.fromJson (package:qiniu_sdk_base/src/auth/put_policy.dart:183:28)

1 Auth.parseToken (package:qiniu_sdk_base/src/auth/auth.dart:97:29)

2 Auth.parseUpToken (package:qiniu_sdk_base/src/auth/auth.dart:114:23)

Answer 1

试看debug, 看是哪个有null