#pragma once #include class sqlite3; class OpDatabase { public: OpDatabase(); ~OpDatabase(); void CloseDatabase(); bool OpenDatabase(const std::string& db_file_path); void InsertMessage(const std::string& ts, const std::string& msg_type, const std::string& fsu, const std::string& content,int topic,int dev_id); bool QueryUser(const std::string& uname, const std::string& passwd); protected: sqlite3* m_pSqliteDb; private: };