void WelcomeUI(SOCKET sd)
{
char account[ACCOUNT_LEN]; //存储帐号
char password[PASSWORD_LEN]; //密码长度
char buffer;//接收从服务器返回的帐号密码查询结果.
system("cls");//清屏
gotoxy(25, 5);
printf( "欢迎来到学生成绩管理系统(V 1.0)\n" );
gotoxy(10, 6);
printf("-----------------------------------------------------\n");
AccountInput(account, "请输入帐号: ", ACCOUNT_LEN); //输入帐号
PasswordInput(password, "请输入密码: " ,PASSWORD_LEN); //输入密码
//将帐号和密码发送到服务器进行验证
if (0 == CompleteSend(sd, account, ACCOUNT_LEN) || 0 == CompleteSend(sd, password, PASSWORD_LEN))
{
printf("传输数据失败!\n");
return;
}
//接收帐号密码查询结果:返回1个char值,a表示学生帐号;b表示教师帐号;c表示密码错误但是帐号存在,d表示帐号不存在.
if (0 == CompleteRecv(sd, &buffer, 1))
{
printf("传输数据失败!\n");
return;
}
//根据服务器返回的结果，判断帐号密码
switch (buffer)
{
case 'a'://学生帐号
StudentUI(sd);//进入学生界面
getchar();
break;
case 'b'://教师帐号
TeacherUI(sd);//printf("进入教师界面");
getchar();
break;
case 'c'://密码错误
system("cls");
printf("密码错误！按回车返回欢迎界面\n");
getchar();
getchar();
break;
case 'd'://帐号不存在
system("cls");
printf("帐号密码不存在！按回车返回欢迎界面\n");
getchar();
getchar();
break;
}
return;
}
int Connections::CompleteIO(IOCONTEXT* IOContext, DWORD Param)
{
switch (IOContext->iomode)
{
case IOMODE_ACCEPT:
return CompleteAccept(Param);
case IOMODE_CONNECT:
return CompleteConnect(Param);
case IOMODE_RECV:
return CompleteRecv(Param);
case IOMODE_SEND:
return CompleteSend(Param);
default:
return -1; //ERR_NET_INVALID_COMPLETE_IO_MODE
}
}
//-----------------------------------------------------------------------------------
// Purpose :
// Return :
//-----------------------------------------------------------------------------------
// Called by Worker TH ( IOCP )
//-----------------------------------------------------------------------------------
int CNtlConnection::CompleteIO(sIOCONTEXT * pIOContext, DWORD dwParam)
{
switch( pIOContext->iomode )
{
case IOMODE_ACCEPT:
return CompleteAccept( dwParam );
case IOMODE_CONNECT:
return CompleteConnect( dwParam );
case IOMODE_RECV:
return CompleteRecv( dwParam );
case IOMODE_SEND:
return CompleteSend( dwParam );
default:
return NTL_ERR_NET_INVALID_COMPLETE_IO_MODE;
}
}
void TeacherUI(SOCKET sd)
{
int select;
char send;
char rec;
while (1)
{
Menu();
printf("请输入您的选择:");
scanf("%d", &select);
switch (select)
{
case 1:
send = 'b';
CompleteSend(sd, &send, 1);
Add(sd);
CompleteRecv(sd, &rec, 1);
if (rec =='Y')
{
printf("添加成功\n");
}
else
{
printf("添加失败!\n");
}
getchar();
break;
case 2:
send = 'c';
CompleteSend(sd, &send, 1);
Del(sd);
CompleteRecv(sd, &rec, 1);
if (rec =='Y')
{
printf("删除成功\n");
}
else
{
printf("删除失败!\n");
}
getchar();
getchar();
break;
case 3: //显示
send = 'a';
CompleteSend(sd, &send, 1);
ClientFromServer(sd);
getchar();
break;
case 4:
send = 'd';
CompleteSend(sd, &send ,1);
Modify(sd);
CompleteRecv(sd, &rec, 1);
if (rec =='Y')
{
printf("修改成功\n");
}
else
{
printf("修改失败!\n");
}
getchar();
break;
case 5:
send = 'f';
CompleteSend(sd, &send ,1);
CompleteRecv(sd, &rec, 1);
if (rec =='Y')
{
printf("排序成功\n");
}
else
{
printf("排序失败!\n");
}
getchar();
getchar();
break;
case 6:
send = 'g';
CompleteSend(sd, &send ,1);
RecTongji(sd);
getchar();
break;
case 7:
send = 'h';
CompleteSend(sd, &send, 1);
Found(sd);
ClientFromServer(sd);
getchar();
break;
default:
break;;
}
}
return;
}