#ifndef READERAPI_H #define READERAPI_H #include class Reader { private: int comNumber = -1; // com口号,若未连接为-1 public: bool is_connected() { return comNumber > 0; } bool connectReader() { if (t15portOpen(comNumber)) { return true; } else { comNumber = -1; return false; } } void setComNumber(int comNumber) { this->comNumber = comNumber; } int getComNumber() { return comNumber; } }; #endif // READERAPI_H