getOrCreateAppKey static method
获取或创建应用密钥
Implementation
static String getOrCreateAppKey({
required String userId,
required String deviceId,
String? savedKey,
}) {
if (savedKey != null && savedKey.isNotEmpty) {
return savedKey;
}
// 如果没有保存的密钥,生成新的
return CryptoUtils.generateUserKey(
userId: userId,
deviceId: deviceId,
);
}