不生成导入表调用API函数

DWORD myGetApiAddr(HMODULE hModuleBaseAddr, PSTR lpApi){    PIMAGE_DOS_HEADER pDosHeader = NULL;    PIMAGE_NT_HEADERS pNtHeader = NULL;    PIMAGE_EXPORT_DIRECTORY pExportDir = NULL;    DWORD ret = 0;    PDWORD AddrOfName = NULL;    PDWORD AddrOfFunction = NULL;    PWORD AddrOfOrder = NULL;    DWORD count = 0;    WORD order = 0;    PSTR pName = NULL;    pDosHeader = (PIMAGE_DOS_HEADER)(DWORD)hModuleBaseAddr;    pNtHeader = (PIMAGE_NT_HEADERS)((DWORD)pDosHeader + pDosHeader->e_lfanew);    //导出表描述    pExportDir = (PIMAGE_EXPORT_DIRECTORY)((DWORD)hModuleBaseAddr + pNtHeader->OptionalHeader.DataDirectory[0].VirtualAddress);    //名字表地址    AddrOfName = (PDWORD)((DWORD)hModuleBaseAddr + pExportDir->AddressOfNames);    //函数表    AddrOfFunction = (PDWORD)((DWORD)hModuleBaseAddr + pExportDir->AddressOfFunctions);    //序号表    AddrOfOrder = (PWORD)((DWORD)hModuleBaseAddr + pExportDir->AddressOfNameOrdinals);    for (int i = 0; i < pExportDir->NumberOfNames;i++)    {        //这是偏移，需要加上模块基址        pName = (PSTR)(*AddrOfName + (DWORD)hModuleBaseAddr);        printf("%s\n", pName);        //如果相等        if (strcmp(pName, lpApi) == 0)        {            order = *(AddrOfOrder + count)+pExportDir->Base-1;            ret = *(AddrOfFunction + order) + (DWORD)(DWORD)hModuleBaseAddr;            return ret;        }        count++;        AddrOfName++;    }    return ret;}HMODULE getKernel32BaseAddrByPEB(){    PVOID pPeb = NULL;    PVOID pLdr = NULL;    PVOID pFlink = NULL;    PVOID ptemp = NULL;    PVOID BaseAddr = NULL;    PVOID pFullName = NULL;    __asm    {        mov eax, fs:[0x30]        mov pPeb, eax    }    pLdr = (PVOID)*((PDWORD)((DWORD)pPeb + 0x0c));    pFlink = (PVOID)*((PDWORD)((DWORD)pLdr + 0x14));//第一个    ptemp = pFlink;    //第3个就是kernel32    ptemp = (PVOID)*((PDWORD)ptemp);//第二个    ptemp = (PVOID)*((PDWORD)ptemp);//第三个    BaseAddr = (PVOID)*((PDWORD)((DWORD)ptemp + 0x10));    pFullName = (PVOID)*((PDWORD)((DWORD)ptemp + 0x20));    wprintf(L"FullDllName is %s\n", pFullName);    printf("BaseAddress is %x\n", BaseAddr);    return (HMODULE)BaseAddr;}//动态调用API函数void _dynamicCallApi(){    //声明函数指针 指向需要的原型 参数类型一定要与原型相同    typedef FARPROC(WINAPI *_ApiGetProcAddress)(HMODULE, PSTR);    typedef HINSTANCE(WINAPI  *_ApiLoadLibrary)(PSTR);    typedef int(WINAPI *_ApiMessageBox)(HWND, PSTR, PSTR, UINT);    HMODULE hDllKernel32;    DWORD hDllUser32;    LPSTR szLoadLibrary = "LoadLibraryA";    PSTR szGetProcAddress = "GetProcAddress";    PSTR szUser32 = "user32.dll";    PSTR szMessageBox = "MessageBoxA";    _ApiGetProcAddress _GetProcAddress;    _ApiLoadLibrary _LoadLibrary;    _ApiMessageBox _MessageBox;    hDllKernel32 = getKernel32BaseAddrByPEB();    _GetProcAddress = (_ApiGetProcAddress)myGetApiAddr(hDllKernel32, szGetProcAddress);    _LoadLibrary = (_ApiLoadLibrary)(_GetProcAddress)(hDllKernel32, szLoadLibrary);    hDllUser32 = (DWORD)(_LoadLibrary)(szUser32);    _MessageBox = (_ApiMessageBox)(_GetProcAddress)((HMODULE)hDllUser32, szMessageBox);    //成功调用了MessageBoxA    (_MessageBox)(NULL, "aaaa", "bbbb", MB_OK);    //还应该FreeLibrary 这里先不写了    return;}int _tmain(int argc, _TCHAR* argv[]){    _dynamicCallApi();    return 0;}