我正在尝试从我的 flutter 客户端代码中读取文件
tls/cert.pem
,如下所示:
final channel = ClientChannel('10.0.2.2',
port: 9000,
options: ChannelOptions(
credentials: ChannelCredentials.secure(
certificates: new File('tls/cert.pem').readAsBytesSync(),
authority: 'localhost',
),
codecRegistry:
CodecRegistry(codecs: const [GzipCodec(), IdentityCodec()]),
),
);
请注意
tls/cert.pem
文件已经添加到pubspec.yaml
资产列表:
assets:
- tls/cert.pem
...
我的错误信息:
E/flutter (24635): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: PathNotFoundException: Cannot open file, path = 'tls/cert.pem' (OS Error: No such file or directory, errno = 2)
E/flutter (24635): #0 _File.throwIfError (dart:io/file_impl.dart:629:7)
E/flutter (24635): #1 _File.openSync (dart:io/file_impl.dart:473:5)
E/flutter (24635): #2 _File.readAsBytesSync (dart:io/file_impl.dart:533:18)
...
当我收到上面的错误消息时,任何人都可以回答我的代码和设置有什么问题吗?
双重检查相对路径、文件存在、从资产列表中删除