/// <summary>
/// 根据老师获取电脑室的ＩＰ、主机名和坐标
/// select Pip,Pmachine,Px,Py from Computers
/// </summary>
/// <param name="Ph"></param>
/// <returns></returns>
public SeatCollect GetSeat(string Pm)
{
SeatCollect sct = new SeatCollect();
DataTable dt = dal.GetSeat(Pm);
int count = dt.Rows.Count;
sct.Dt = dt;
sct.Online = count;
sct.Column = 8;
if (count > 6)
{
int beginX = Int32.Parse(dt.Rows[0][2].ToString());//获取初始X坐标
ArrayList arrayX = new ArrayList();
arrayX.Add(beginX);
#region 标准化X坐标 同列偏移60内 自动垂直对齐 dt
for (int i = 0; i < count; i++)
{
int Px = Int32.Parse(dt.Rows[i][2].ToString());//读取某IP的X坐标
if (Px > beginX + 60)
{
beginX = Px;//得到当前X坐标
arrayX.Add(beginX);
}
else
{
dt.Rows[i][2] = beginX; //如果小于差值则全部设置为当前值
}
}
#endregion
DataView dv = dt.DefaultView;
dv.Sort = "Py Asc";
DataTable dt2 = dv.ToTable(); //得到按Y坐标排序的表
int beginY = Int32.Parse(dt2.Rows[0][3].ToString()); //获取初始Y坐标
ArrayList arrayY = new ArrayList();
arrayY.Add(beginY);
#region 标准化Y坐标 同行偏移60内 自动水平对齐 dt2
for (int i = 0; i < count; i++)
{
int Py = Int32.Parse(dt2.Rows[i][3].ToString());//读取某IP的X坐标
if (Py > beginY + 60)
{
beginY = Py;//得到当前Y坐标
arrayY.Add(beginY);
}
else
{
dt2.Rows[i][3] = beginY; //如果小于差值则全部设置为当前值
}
}
#endregion
#region 查询标准位置，在表中存在不存在，不存在则添加空位
int empty = 0;
for (int i = 0; i < arrayX.Count; i++)
{
int x = Int32.Parse(arrayX[i].ToString());
for (int j = 0; j < arrayY.Count; j++)
{
int y = Int32.Parse(arrayY[j].ToString());
//查询标准位置，在表中存在不存在，不存在则添加记录
if (dt2.Select("Px=" + x + " and Py=" + y).Length < 1)
{
empty++;
DataRow dr = dt2.NewRow();//Pip,Pmachine,Px,Py
dr[0] = "";
dr[1] = "";
dr[2] = x;
dr[3] = y;
dt2.Rows.Add(dr);
}
}
}
#endregion
DataView dvok = dt2.DefaultView;
dvok.Sort = "Px Asc , Py Asc";
DataTable dt3 = dvok.ToTable();//得到最终标准格式位置表（带空位）
dt.Dispose();
dt2.Dispose();
sct.Column = arrayX.Count;
sct.Dt = dt3;
}
return(sct);
}
/// <summary>
/// 查询开始上课页面，班级签到列表
/// </summary>
/// <param name="Sgrade"></param>
/// <param name="Sclass"></param>
/// <param name="Qyear"></param>
/// <param name="Qmonth"></param>
/// <param name="Qday"></param>
/// <param name="signsort"></param>
/// <param name="hid"></param>
/// <returns></returns>
public SeatCollect StartSignTable(int Sgrade, int Sclass, int Qyear, int Qmonth, int Qday, string pcroom)
{
SeatCollect sct = new SeatCollect();
sct.Dt = dal.StartSignClass(Sgrade, Sclass, Qyear, Qmonth, Qday, "1").Tables[0];
sct.Online = sct.Dt.Rows.Count; //在线人数
sct.Column = 8; //列数
if (!string.IsNullOrEmpty(pcroom) && sct.Online > 0)
{
//Qid,Qip, Qnum, Qname,Sleader,Sgroup,Sgtitle,left(Qmachine,12) as QmachineShort,right(Qdate,8) as Qdate,Qattitude,Qnote,Qwork,Qgroup,Qgscore
DataTable studt = sct.Dt;
Computers cbll = new LearnSite.BLL.Computers();
SeatCollect cmpsct = cbll.GetSeat(pcroom);//select Pip,Pmachine,Px,Py from Computers
sct.Column = cmpsct.Column;
DataTable cmpdt = cmpsct.Dt;
int scount = studt.Rows.Count;
int pcount = cmpdt.Rows.Count;
ArrayList empty = new ArrayList();
if (scount > 0 && pcount > 0)
{
studt.Columns.Add("Px", typeof(int));
studt.Columns.Add("Py", typeof(int));//增加坐标字段
for (int i = 0; i < pcount; i++)
{
string pip = cmpdt.Rows[i][0].ToString();
bool find = false;
int tempj = -1;
for (int j = 0; j < scount; j++)
{
string sip = studt.Rows[j][1].ToString();
if (pip.Equals(sip))
{
find = true;//如果相等，说明找到，跳出循环
tempj = j;
break;
}
}
if (!find)
{
empty.Add(i); //如果找不到，则收集序号
}
else
{
if (tempj > -1) //如果找到，则给学生表增加坐标位置
{
studt.Rows[tempj][13] = cmpdt.Rows[i][2];
studt.Rows[tempj][14] = cmpdt.Rows[i][3];
}
}
}
for (int k = 0; k < empty.Count; k++)
{
int emindex = Int32.Parse(empty[k].ToString());
//select Pip,Pmachine,Px,Py from Computers
string pm = cmpdt.Rows[emindex][1].ToString();
int px = Int32.Parse(cmpdt.Rows[emindex][2].ToString());
int py = Int32.Parse(cmpdt.Rows[emindex][3].ToString());
DataRow dr = studt.NewRow();
//select distinct Qid,Qip, Qnum, Qname,Sleader,Sgroup,Sgtitle,Qattitude,left(Qmachine,12) as QmachineShort,Qnote,Qwork,Qgroup,Qgscore
dr[0] = 0;
dr[1] = "";
dr[2] = "";
dr[3] = "";
dr[4] = false;
dr[5] = 0;
dr[6] = "";
dr[7] = 0;
dr[8] = pm;
dr[9] = "";
dr[10] = 0;
dr[11] = 0;
dr[12] = 0;
dr[13] = px;
dr[14] = py;
studt.Rows.Add(dr);
}
DataView dv = studt.DefaultView;
dv.Sort = "Px Asc , Py Asc";
DataTable dt = dv.ToTable();
sct.Dt = dt;
}
}
return(sct);
}
