getCurrentBoard method
Implementation
Future<String> getCurrentBoard() async {
final res = await _callFunc(
jsonEncode({"key": "getCurrentBoard", "params": []}),
);
// 如果返回值为 null,返回空字符串
if (res == null) {
return "";
}
// 确保返回值为字符串类型
if (res is String) {
return res;
}
// 如果不是字符串,尝试转换
return res.toString();
}