错误1：

LIBCD.lib(crt0.obj) : error LNK2001: unresolved external symbol _main

在project-setting-link里找到project options 去掉里面的/subsystem:console

错误2:

nafxcwd.lib(thrdcore.obj) : error LNK2001: unresolved external symbol __endt...

将工程设置为Using MFC in a static library

错误3:

libcmtd.lib(crt0.obj) : error LNK2001: unresolved external symbol _main

在project-setting-link里找到project options 将里面的/subsystem:console 改为/subsystem:windows