小编7hi*_*ult的帖子

我有一个使用QWebSocket类但不使用SSL 的应用程序.当我执行使用Qt 5.3编译的版本但Qt 5.7可执行文件冻结以下警告时,它工作正常:

QSslSocket: cannot resolve CRYPTO_num_locks
QSslSocket: cannot resolve CRYPTO_set_id_callback
QSslSocket: cannot resolve CRYPTO_set_locking_callback
QSslSocket: cannot resolve ERR_free_strings
QSslSocket: cannot resolve EVP_CIPHER_CTX_cleanup
QSslSocket: cannot resolve EVP_CIPHER_CTX_init
QSslSocket: cannot resolve sk_new_null
QSslSocket: cannot resolve sk_push
QSslSocket: cannot resolve sk_free
QSslSocket: cannot resolve sk_num
QSslSocket: cannot resolve sk_pop_free
QSslSocket: cannot resolve sk_value
QSslSocket: cannot resolve SSL_library_init
QSslSocket: cannot resolve SSL_load_error_strings
QSslSocket: cannot resolve SSL_get_ex_new_index
QSslSocket: cannot resolve SSLv2_client_method
QSslSocket: cannot resolve SSLv3_client_method
QSslSocket: cannot resolve SSLv23_client_method
QSslSocket: cannot …

我仍然是Flutter环境的新手,在使用Flutter构建应用程序时很难找到有关存储选项的信息.

与本机的反应类似,我想知道我的选择是什么

• 数据持久性
• 远程或区域设置
• 离线行为(如果适用)
• 数据库安全
• 应用性能
• 价钱
• 实时同步
• 与第三方库和Flutter模块的兼容性
• 还要别的吗...

我搜索了flutter包的数据库,但没有发现它如此有用.任何答案,指南和参考将不胜感激.