mention.obj : error LNK2005: "public: __thiscall mention::mention(void)" (??0mention@@QAE@XZ) already defined in ceshi.obj
mention.obj : error LNK2005: "public: virtual __thiscall mention::~mention(void)" (??1mention@@UAE@XZ) already defined in ceshi.obj
mention.obj : error LNK2005: "public: int __thiscall mention::Create(void)" (?Create@mention@@QAEHXZ) already defined in ceshi.obj
Debug/ceshi.exe : fatal error LNK1169: one or more multiply defined symbols found
执行 link.exe 时出错.

// ceshi.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "mention.cpp"
int main(int argc, char* argv[])
{
    printf("Hello World!\n");
    mention* men;
    men=NULL;
    men->Create();
    return 0;
}

// mention.cpp: implementation of the mention class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "mention.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

mention::mention()
{

}

mention::~mention()
{

}
mention::Create()
{
    printf("123456");
}