MFC订座或者订票系统，如何实现多终端订票~？

Question

支持多终端同时订票，并且能够在所有终端上实时显示出此时的座位情况。
菜鸟跪求各位大神回答~>_<

Answer 1

#include <windows.h>
#include <iostream.h>DWORD WINAPI Fun1Proc(
  LPVOID lpParameter   // thread data
);DWORD WINAPI Fun2Proc(
  LPVOID lpParameter   // thread data
);
int index=0;
int tickets=100;
HANDLE hMutex;
void main()
{
HANDLE hThread1;
HANDLE hThread2;
hThread1=CreateThread(NULL,0,Fun1Proc,NULL,0,NULL);
hThread2=CreateThread(NULL,0,Fun2Proc,NULL,0,NULL);
CloseHandle(hThread1);
CloseHandle(hThread2);// hMutex=CreateMutex(NULL,TRUE,NULL);
hMutex=CreateMutex(NULL,TRUE,"tickets");
if(hMutex)
{
if(ERROR_ALREADY_EXISTS==GetLastError())
{
cout<<"only one instance can run!"<<endl;
return;
}
}
WaitForSingleObject(hMutex,INFINITE);
ReleaseMutex(hMutex);
ReleaseMutex(hMutex); Sleep(4000);
}DWORD WINAPI Fun1Proc(
  LPVOID lpParameter   // thread data
)
{
/* while(TRUE)
{
WaitForSingleObject(hMutex,INFINITE);
if(tickets>0)
{
Sleep(1);
cout<<"thread1 sell ticket : "<<tickets--<<endl;
}
else
break;
ReleaseMutex(hMutex);
}
*/
WaitForSingleObject(hMutex,INFINITE);
cout<<"thread1 is running"<<endl; return 0;
}DWORD WINAPI Fun2Proc(
  LPVOID lpParameter   // thread data
)
{
/* while(TRUE)
{
WaitForSingleObject(hMutex,INFINITE);
if(tickets>0)
{
Sleep(1);
cout<<"thread2 sell ticket : "<<tickets--<<endl;
}
else
break;
ReleaseMutex(hMutex);
}*/
WaitForSingleObject(hMutex,INFINITE);
cout<<"thread2 is running"<<endl;
return 0;
}
孙鑫VC++深入详解第十五章 火车票的一个简单示例 希望对你有用

Answer 2

多线程+临界区，把对票的加减操作都放在临界区进行：CRITICAL_SECTION cs; //最好是全局变量EnterCriticalSection(&cs);
 加减操作
LeaveCriticalSection(&cs);