用于记录自己平时的编译错误和解决方法:
1.error LNK2019: unresolved external symbol __imp__mciSendCommandA@16 referenced in function "public: int __thiscall Game::Init(void)" (?Init@Game@@QAEHXZ)
解决方法:加入 winmm.lib : #pragma comment(lib, "winmm.lib")