0
使用枚舉類型我實現了這個類:錯誤的C++代碼
class MIXIM_API DSRCmsgID : public cObject
{
public:
/** @brief Constant with all values set to 0. */
static const DSRCmsgID ZERO;
public:
//int msgID;
enum msgID {
DSRCmsgID_reserved = 0,
DSRCmsgID_alaCarteMessage = 1,
DSRCmsgID_DSRCmsgID = 2,
DSRCmsgID_DSRCmsgIDVerbose = 3,
DSRCmsgID_commonSafetyRequest = 4,
DSRCmsgID_emergencyVehicleAlert = 5,
DSRCmsgID_intersectionCollisionAlert = 6,
DSRCmsgID_mapData = 7,
DSRCmsgID_nmeaCorrections = 8,
DSRCmsgID_probeDataManagement = 9,
DSRCmsgID_probeVehicleData = 10,
DSRCmsgID_roadSideAlert = 11,
DSRCmsgID_rtcmCorrections = 12,
DSRCmsgID_signalPhaseAndTimingMessage = 13,
DSRCmsgID_signalRequestMessage = 14,
DSRCmsgID_signalStatusMessage = 15,
DSRCmsgID_travelerInformation = 16
};
private:
void copy(const DSRCmsgID& other) {msgID = other.msgID; }
public:
/** @brief Default constructor. */
DSRCmsgID()
: msgID() {}
/** @brief Initializes a DSRCmsgIDinate. */
DSRCmsgID(enum msgID)
: msgID(msgID) {}
/** @brief Initializes DSRCmsgIDinate from other DSRCmsgIDinate. */
DSRCmsgID(const DSRCmsgID& other)
: cObject(other) { copy(other); }
/** @brief Returns a string with the value of the DSRCmsgIDinate. */
std::string info() const;
};
inline std::ostream& operator<<(std::ostream& os, const DSRCmsgID& DSRCmsgID)
{
return os << "(" << DSRCmsgID.msgID << ")";
}
inline std::string DSRCmsgID::info() const {
std::stringstream os;
os << *this;
return os.str();
}
我得到了這些錯誤:
錯誤複製功能;
錯誤:'enum DSRCmsgID :: msgID'不是構造函數和初始化程序中'DSRCmsgID' - >的非靜態數據成員;
錯誤:無效使用'枚舉DSRCmsgID :: msgID' - >在返回os行。
好謝謝,解決了這些錯誤,但它仍然返回該錯誤:「錯誤:使用枚舉的「ID '沒有事先聲明'的初始化方法。我試圖先聲明它,但它不起作用 – FMA
是的,您的'DSRCmsgID(枚舉msgID)'聲明不正確 - 您應該爲此枚舉聲明一個類型。我會盡快更新答案。 –
Allright @Paul R感謝您的快速和正確的迴應! – FMA