有一个在vs2012上可以正常使用的工程,现在想转移到vs2013上,但是编译的时候却出现了错误:
1>ReportLib.lib(fileThreadControl.obj) : error LNK2001: 无法解析的外部符号 "__declspec(dllimport) public: virtual void __cdecl std::basic_istream<unsigned short,struct std::char_traits<unsigned short> >::_Add_vtordisp1(void)"
1>ReportLib.lib(fileThreadControl.obj) : error LNK2001: 无法解析的外部符号 "__declspec(dllimport) public: virtual void __cdecl std::basic_ostream<unsigned short,struct std::char_traits<unsigned short> >::_Add_vtordisp2(void)"
1>ReportLib.lib(fileThreadControl.obj) : error LNK2001: 无法解析的外部符号 "__declspec(dllimport) class std::basic_ostream<unsigned short,struct std::char_traits<unsigned short> > & __cdecl std::endl(class std::basic_ostream<unsigned short,struct
std::char_traits<unsigned short> > &)"
1>ReportLib.lib(fileControl.obj) : error LNK2001: 无法解析的外部符号 "__declspec(dllimport) public: virtual void __cdecl std::basic_istream<char,struct std::char_traits<char> >::_Add_vtordisp1(void)"
1>ReportLib.lib(fileControl.obj) : error LNK2001: 无法解析的外部符号 "__declspec(dllimport) public: virtual void __cdecl std::basic_ostream<char,struct std::char_traits<char> >::_Add_vtordisp2(void)"
1>ReportLib.lib(fileControl.obj) : error LNK2001: 无法解析的外部符号 "__declspec(dllimport) class std::basic_ostream<char,struct std::char_traits<char> > & __cdecl std::endl(class std::basic_ostream<char,struct std::char_traits<char>
> &)"
不知道是什么原因,请各位帮帮忙分析一下,谢谢