你好:
STARTUPINFO startupInfor;
PROCESS_INFORMATION processInfor;
memset(&startupInfor, 0,
sizeof(startupInfor));
memset(&processInfor, 0,
sizeof(processInfor));
startupInfor.cb = sizeof(startupInfor);
if(::CreateProcess(NULL,"E:\\test.bat", 0, 0, FALSE,
CREATE_NO_WINDOW | NORMAL_PRIORITY_CLASS, 0, 0,
&startupInfor, &processInfor) == FALSE) return;
::WaitForSingleObject(processInfor.hProcess, INFINITE);
DWORD exitCode;
::GetExitCodeProcess(processInfor.hProcess, &exitCode);
假设你的批处理文件test.bat的返回值是4(exit 4)
那么exitCode里得到的值是4。