//exportFun.def 文件名随意

EXPORT

add @              //格式  函数名 @编号 <NONAME> 函数名应该就是导出的含书名，PE工具看过能对上号。可以在getprocaddress里直接用这名字

sub @ NONAME

//myDll.cpp

int add(int a,int b)

{

return a+b;

}

int sub(int a,int b)

{

  return a-b;

}

//入口函数，文件名随意xx.cpp

#include <Windows.h>

BOOL APIENTRY DllMain( HMODULE hModule,

                       DWORD  ul_reason_for_call,

                       LPVOID lpReserved

                     )

{

    switch (ul_reason_for_call)

    {//下边几个自由发挥

    case DLL_PROCESS_ATTACH:

    case DLL_THREAD_ATTACH:

    case DLL_THREAD_DETACH:

    case DLL_PROCESS_DETACH:

        break;

    }

    return TRUE;

}