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通过线程思想,利用VS软件,通过MFC创建一个服务器,并且可以与客户端进行通信
UINT thread(LPVOID v)
{
char buff[100];
int s = 1;
CSocketCliDlg *dlg = (CSocketCliDlg*)AfxGetApp()->GetMainWnd();
//连接到服务器
int t = connect(dlg->clisock, (sockaddr*)&(dlg->cli), sizeof(dlg->cli));
if (t == 0)
{
// dlg->m_list.InsertItem(dlg->count ,"连接成功");
dlg->m_edit.SetWindowText("连接成功");
}
else
{
// dlg->m_list.InsertItem(dlg->count ,"连接失败");
dlg->m_edit.SetWindowText("连接失败");
}
//循环获得数据
while (s != SOCKET_ERROR)
{
//调用recv函数接收数据
s = recv(dlg->clisock, buff, 100, 0);
if (s != SOCKET_ERROR)
{
dlg->m_list.InsertItem(dlg->count , buff);
FILE *pFile = NULL;
CString pathfile = L"D:/C /程序/NetServer/NetServer/test.txt"; //D盘的test目录必须存在
errno_t err;
//安全打开文件函数,用于替代fopen
err = fopen_s(&pFile, pathfile, "a "); //w :覆盖原内容;a :追加
fseek(pFile, 0, SEEK_END);
size_t j = fwrite("服务端: ", 1, strlen("服务端:"), pFile);
size_t k = fwrite(" ", 1, strlen(" "), pFile);
//size_t z = fwrite("\r\n", 1, 2, pFile);
size_t i = fwrite(buff, 1, strlen(buff), pFile);
size_t y = fwrite("\r\n", 1, 2, pFile);
char readstr[256];
fseek(pFile, 0, SEEK_SET);
size_t r = fread(readstr, 1, 10, pFile);
r = r;
//fflush(pFile); //本函数用于在不关闭文件的情况下把缓存写入,比如一直打开的日志文件
fclose(pFile);
}
}
//发送断开命令
send(dlg->clisock, "Disconnected", 100, 0);
closesocket(dlg->clisock);
AfxEndThread(0);
return 0;
}
void CSocketCliDlg::OnBnClickedButton1()
{
// TODO: 在此添加控件通知处理程序代码
char ipaddress[35];
m_port.GetWindowText(ipaddress, 30);
cli.sin_addr.s_addr = inet_addr(ipaddress);
cli.sin_family = AF_INET;
cli.sin_port = 9000;//htons(9000);
//创建socket
clisock = socket(AF_INET, SOCK_STREAM, 0);
//启动线程
AfxBeginThread(thread, 0);
}
void CSocketCliDlg::OnBnClickedButton3()
{
// TODO: 在此添加控件通知处理程序代码
char buff[100];
m_edit.GetWindowText(buff, 99);
m_edit.SetWindowText("");
send(clisock, buff, 100, 0);
}
void CSocketCliDlg::OnBnClickedButton2()
{
// TODO: 在此添加控件通知处理程序代码
closesocket(clisock);
}