链接错误CString
我使用 CString 收到链接器错误，错误是：
error LNK2001: unresolved external symbol "private: static class ATL::CStringT<wchar_t,class StrTraitMFC<wchar_t,class ATL::ChTraitsCRT<wchar_t> > > CConfiguration::_campaignFolderPath" (?_campaignFolderPath@CConfiguration@@0V?$CStringT@_WV?$StrTraitMFC@_WV?$ChTraitsCRT@_W@ATL@@@@@ATL@@A)
我有一个类，其定义为：
class CConfiguration
{
private:
static CString _campaignFolderPath;
public:
static void Read();
private:
CConfiguration(void);
~CConfiguration(void);
};
其 Read 方法定义为：
void CConfiguration::Read()
{
CConfigFile configReader(_T("Config.ini"));
TCHAR temp[1024];
configReader.GetStringValue(_T("Campaigns"), _T("CampaignsFolderPath"), temp);
_campaignFolderPath = temp;
}
有关导致错误的原因的任何线索吗？我正在使用 Visual Studio 2008
I'm getting a linker error using CString the error is:
error LNK2001: unresolved external symbol "private: static class ATL::CStringT<wchar_t,class StrTraitMFC<wchar_t,class ATL::ChTraitsCRT<wchar_t> > > CConfiguration::_campaignFolderPath" (?_campaignFolderPath@CConfiguration@@0V?$CStringT@_WV?$StrTraitMFC@_WV?$ChTraitsCRT@_W@ATL@@@@@ATL@@A)
I have a class which is defined as:
class CConfiguration
{
private:
static CString _campaignFolderPath;
public:
static void Read();
private:
CConfiguration(void);
~CConfiguration(void);
};
Its Read method is defined as:
void CConfiguration::Read()
{
CConfigFile configReader(_T("Config.ini"));
TCHAR temp[1024];
configReader.GetStringValue(_T("Campaigns"), _T("CampaignsFolderPath"), temp);
_campaignFolderPath = temp;
}
Any clues as to what is causing the error? I'm using Visual Studio 2008
如果你对这篇内容有疑问，欢迎到本站社区发帖提问 参与讨论，获取更多帮助，或者扫码二维码加入 Web 技术交流群。
绑定邮箱获取回复消息
由于您还没有绑定你的真实邮箱，如果其他用户或者作者回复了您的评论，将不能在第一时间通知您！
发布评论
评论（2）
您需要实例化该字符串，现在只需将其声明为静态即可。添加：
在实现文件中。
You need to instantiate the string, you're just declaring it as static now. Add:
in the implementation file.
您是否有类似以下的实施线？
CString CConfiguration::_campaignFolderPath;
Do you have an implementation line like the following somewhere?
CString CConfiguration::_campaignFolderPath;