private void lineShow_Click(object sender, EventArgs e)
{
BusCommandText.Clear();
int linehandle = axMap1.NewDrawing(MapWinGIS.tkDrawReferenceList.dlSpatiallyReferencedList);
string LineSearch;
LineSearch = LineName.Text;
#region 文字信息
string sqlLine = "select BSName,BLNote from buslines where BLName = '" + LineSearch + "'";
MySqlDataAdapter adapter = new MySqlDataAdapter(sqlLine, connection_);
DataTable dataTable = new DataTable();
adapter.Fill(dataTable);
//dataGridView1.DataSource = dataTable;
//查询到表
int rowNum = dataTable.Rows.Count;
for (int i = 0; i <= rowNum - 1; i++)
{
if (i == 0)
{
BusCommandText.Text = "正方向：";
}
BusCommandText.Text = BusCommandText.Text + dataTable.Rows[i][0].ToString() + "-";
if (i != rowNum - 1)
{
int nextrow = 0;
int thisrow = 0;
nextrow = Int16.Parse(dataTable.Rows[i + 1][1].ToString());
thisrow = Int16.Parse(dataTable.Rows[i][1].ToString());
if (thisrow != nextrow)
{
BusCommandText.Text = BusCommandText.Text + "\n" + "逆方向：";
}
}
}
#endregion
#region 地图信息
//获取数据库内容
string sqlLineShow = "select N,E,Note,Num from buslinesshow where BLName = '" + LineSearch + "'";
MySqlDataAdapter adapter2 = new MySqlDataAdapter(sqlLineShow, connection_);
DataTable dataTable2 = new DataTable();
adapter2.Fill(dataTable2);
double[] N;
double[] E;
N = new double[300];
E = new double[300];
int rowNum2 = 0;
rowNum2 = dataTable2.Rows.Count;
for (int i = 0; i <= rowNum2 - 1; i++)
{
N[i] = double.Parse(dataTable2.Rows[i][0].ToString());
E[i] = double.Parse(dataTable2.Rows[i][1].ToString());
}
//画点
int jungleStop = 0;
for (int i = 0; i < rowNum2 - 1; i++)
{
jungleStop = Int16.Parse(dataTable2.Rows[i][3].ToString());//判断是否为站点
if (jungleStop == 1)
{
axMap1.DrawPointEx(linehandle, E[i], N[i], 10, 1);
}
}
//画线
for (int n = 0; n <= rowNum2 - 1; n++)
{
int nextrow2 = 0;
int thisrow2 = 0;
nextrow2 = Int16.Parse(dataTable2.Rows[n + 1][2].ToString());
thisrow2 = Int16.Parse(dataTable2.Rows[n][2].ToString());
if (nextrow2 != thisrow2)
{
for (int i = 0; i < n; i++)
{
axMap1.DrawLineEx(linehandle, E[i], N[i], E[i + 1], N[i + 1], 3, 1);
}
for (int i = n; i < rowNum2 - 1; i++)
{
axMap1.DrawLineEx(linehandle, E[i], N[i], E[i + 1], N[i + 1], 3, 200);
}
break;
}
}
#endregion
}
private void Search_Click(object sender, EventArgs e)
{
BusCommandText.Clear();
BusAllText.Clear();
string startP = comboBox1.Text;
string endP = comboBox2.Text;
int StartbuslineCount = 0;
//结果参数（线路/方向/站数）
string[] Rbusline = new string[80];
int[] Rdirection = new int[80];
int[] Rstopsnum = new int[80];
int R = 0;
string[] result = new string[80];
int MinR = 0;
//显示路线用参数
int[] BNStart = new int[80];
int[] BNChange1 = new int[80];
int[] BNChange2 = new int[80];
int[] BNEnd = new int[80];
double[] N = new double[300];
double[] E = new double[300];
int linehandle = axMap1.NewDrawing(MapWinGIS.tkDrawReferenceList.dlSpatiallyReferencedList);
int linehandle2 = axMap1.NewDrawing(MapWinGIS.tkDrawReferenceList.dlSpatiallyReferencedList);
string SearchER = "select * from buslines where BSName like '%" + endP + "%'";
MySqlDataAdapter endsql = new MySqlDataAdapter(SearchER, connection_);
DataTable EndP = new DataTable();
endsql.Fill(EndP);
string SearchER3 = "select * from buslines where BSName like '%" + startP + "%'";
MySqlDataAdapter startsql2 = new MySqlDataAdapter(SearchER3, connection_);
DataTable startp2 = new DataTable();
startsql2.Fill(startp2);
//获取终点的站点名和经过的路线
string endPName = EndP.Rows[0][2].ToString();
string StartPName = startp2.Rows[0][2].ToString();
BusCommandText.Text = "\n" + "起点：" + StartPName + "\n" + "终点：" + endPName + "\n";
BusAllText.Text = "\n" + "起点：" + StartPName + "\n" + "终点：" + endPName + "\n";
#region 直达不需要换乘的情况下
for (int i = 1; i < 3; i++)
{
//查询经过起点的路线
string SearchSR = "select BLName,BNum,BSName from buslines where BSName like '%" + startP + "%'and BLNote=" + i;
MySqlDataAdapter startsql = new MySqlDataAdapter(SearchSR, connection_);
DataTable StartPLine = new DataTable();
startsql.Fill(StartPLine);
StartbuslineCount = StartPLine.Rows.Count;
string StartSN = StartPLine.Rows[0][2].ToString();
//循环各查询路线的站
for (int a = 0; a < StartbuslineCount; a++)
{
string thisLine = StartPLine.Rows[a][0].ToString();
int thisStopIndex = Int32.Parse(StartPLine.Rows[a][1].ToString());
string LineStopSQL = "select BLName,BSName,BNum from buslines where BLName ='" + thisLine + "' and BLNote=" + i;
MySqlDataAdapter LineStopSqad = new MySqlDataAdapter(LineStopSQL, connection_);
DataTable LineStopsTable = new DataTable();
LineStopSqad.Fill(LineStopsTable);
int thisDirCount = LineStopsTable.Rows.Count;
//这个方向下从起始站开始查找
for (int b = thisStopIndex; b < thisDirCount; b++)
{
string LineStopName = LineStopsTable.Rows[b][1].ToString();
//若可以直达不需要换乘
if (LineStopName == endPName)
{
int thisSNum = int.Parse(LineStopsTable.Rows[thisStopIndex][2].ToString());
int thisENum = int.Parse(LineStopsTable.Rows[b][2].ToString());
Rbusline[R] = thisLine;
Rdirection[R] = i;
Rstopsnum[R] = b - thisStopIndex + 1;
BNStart[R] = thisSNum;
BNEnd[R] = thisENum;
result[R] = "在【" + StartSN + "】乘坐【" + Rbusline[R] + "】路公交<" + Rstopsnum[R] + ">站直达【" + endPName + "】方向" + Rdirection[R];
BusAllText.Text = BusAllText.Text + result[R] + "\n";
R++;
}
}
LineStopsTable.Clear();
}
StartPLine.Clear();
}
//判断站数最少
for (int n = 1; n < R; n++)
{
if (Rstopsnum[n] < Rstopsnum[MinR])
{
MinR = n;
}
}
BusCommandText.Text = BusCommandText.Text + result[MinR] + "\n";
//*******************************************显示推荐路线**********************************************
if (R != 0)
{
int startUse = BNStart[MinR];
if (BNStart[MinR] != 1)
{
startUse = BNStart[MinR] - 1;
}
string ShowDirSR = "select ID,N,E,Num,Note,BNum from buslinesshow where (BLName='" + Rbusline[MinR] + "') and (Note=" + Rdirection[MinR] + ") and (BNum in(" + startUse;
//如果只有一站
if (Rstopsnum[MinR] == 1)
{
ShowDirSR = ShowDirSR + "))";
}
//多个站
if (Rstopsnum[MinR] > 1)
{
for (int q = startUse + 1; q < BNEnd[MinR]; q++)
{
ShowDirSR = ShowDirSR + "," + q;
}
ShowDirSR = ShowDirSR + "))";
}
MySqlDataAdapter show1 = new MySqlDataAdapter(ShowDirSR, connection_);
DataTable showTable1 = new DataTable();
show1.Fill(showTable1);
int showCount = showTable1.Rows.Count;
for (int p = 0; p < showCount; p++)
{
N[p] = double.Parse(showTable1.Rows[p][1].ToString());
E[p] = double.Parse(showTable1.Rows[p][2].ToString());
}
//画点
int jungleStop = 0;
for (int k = 0; k < showCount; k++)
{
jungleStop = int.Parse(showTable1.Rows[k][3].ToString());
if (jungleStop == 1)
{
axMap1.DrawPointEx(linehandle, E[k], N[k], 10, 1);
}
}
axMap1.DrawPointEx(linehandle, E[showCount - 1], N[showCount - 1], 8, 1);
//画线
for (int n = 0; n < showCount - 1; n++)
{
axMap1.DrawLineEx(linehandle, E[n], N[n], E[n + 1], N[n + 1], 2, 1);
}
}
#endregion
#region 需要换乘的情况下
if (R == 0)
{
//存放换乘的各种信息参数
string[] ChangeStopN = new string[80];
string[] FirstLine = new string[80];
string[] SecondLine = new string[80];
int[] FirstDir = new int[80];
int[] SecondDir = new int[80];
int[] FirstNum = new int[80];
int[] SecondNum = new int[80];
int[] SumStops = new int[80];
double[] N2 = new double[300];
double[] E2 = new double[300];
for (int i = 1; i < 3; i++)
{
//查询经过起点的路线
string SearchSR = "select BLName,BNum,BSName from buslines where BSName like '%" + startP + "%'and BLNote=" + i;
MySqlDataAdapter startsql = new MySqlDataAdapter(SearchSR, connection_);
DataTable StartPLineTable = new DataTable();
startsql.Fill(StartPLineTable);
string StartPN = StartPLineTable.Rows[0][2].ToString();
StartbuslineCount = StartPLineTable.Rows.Count;
for (int a = 0; a < StartbuslineCount; a++)
{
//该方向下该线路会经过的站
string thisLine = StartPLineTable.Rows[a][0].ToString();
int thisStopIndex = Int32.Parse(StartPLineTable.Rows[a][1].ToString());
string LineStopSQL = "select BLName,BSName,BNum from buslines where BLName ='" + thisLine + "' and BLNote=" + i;
MySqlDataAdapter LineStopSqad = new MySqlDataAdapter(LineStopSQL, connection_);
DataTable LineStopsTable = new DataTable();
LineStopSqad.Fill(LineStopsTable);
int thisDirCount = LineStopsTable.Rows.Count;
for (int b = thisStopIndex; b < thisDirCount; b++)
{
//每个到达的的站如果作为中转站
string ChangeStop = LineStopsTable.Rows[b][1].ToString();
string ChangeStartSql = "select * from buslines where BSName like '" + ChangeStop + "'";
MySqlDataAdapter ChangeAD = new MySqlDataAdapter(ChangeStartSql, connection_);
DataTable ChangeSTable = new DataTable();
ChangeAD.Fill(ChangeSTable);
int ChangeTCount = ChangeSTable.Rows.Count;
//搜寻经过这个中转站的路线
for (int c = 0; c < ChangeTCount; c++)
{
string ChangeStartLine = ChangeSTable.Rows[c][1].ToString();
int ChangeLineDir = int.Parse(ChangeSTable.Rows[c][4].ToString());
//搜寻经过终点站的路线
for (int d = 0; d < EndP.Rows.Count; d++)
{
string EndStopLine = EndP.Rows[d][1].ToString();
int EndStopLineDir = int.Parse(EndP.Rows[d][4].ToString());
if (EndStopLine == ChangeStartLine && ChangeLineDir == EndStopLineDir)
{
FirstNum[R] = int.Parse(LineStopsTable.Rows[b][2].ToString()) - int.Parse(LineStopsTable.Rows[thisStopIndex - 1][2].ToString());
//确认该条换乘路线的有经过终点
string EndLineSQL = "select * from buslines where BLName='" + EndStopLine + "' and BLNote = " + EndStopLineDir;
MySqlDataAdapter EndLineAD = new MySqlDataAdapter(EndLineSQL, connection_);
DataTable EndLineTable = new DataTable();
EndLineAD.Fill(EndLineTable);
for (int t = 0; t < EndLineTable.Rows.Count; t++)
{
string ResultEndLineStop = EndLineTable.Rows[t][2].ToString();
if (ResultEndLineStop == ChangeStop)
{
for (int t2 = t; t2 < EndLineTable.Rows.Count; t2++)
{
string thisStop = EndLineTable.Rows[t2][2].ToString();
if (thisStop == endPName)
{
int thisSNum = int.Parse(LineStopsTable.Rows[thisStopIndex][2].ToString());
int thisCNum1 = int.Parse(LineStopsTable.Rows[b][2].ToString());
int thisCNum2 = int.Parse(EndLineTable.Rows[t][3].ToString());
int thisENum = int.Parse(EndLineTable.Rows[t2][3].ToString());
SecondNum[R] = int.Parse(EndLineTable.Rows[t2][3].ToString()) - int.Parse(EndLineTable.Rows[t][3].ToString());
FirstLine[R] = thisLine;
ChangeStopN[R] = ChangeStop;
SecondLine[R] = EndStopLine;
FirstDir[R] = i;
SecondDir[R] = EndStopLineDir;
SumStops[R] = FirstNum[R] + SecondNum[R];
BNStart[R] = thisSNum;
BNChange1[R] = thisCNum1;
BNChange2[R] = thisCNum2;
BNEnd[R] = thisENum;
BusAllText.Text = BusAllText.Text + "先" + FirstDir[R] + "方向上乘坐【" + FirstLine[R] + "】[" + FirstNum[R] + "]站到达【" + ChangeStopN[R] + "】后在" + SecondDir[R] + "方向上换乘【" + SecondLine[R] + "】[" + SecondNum[R] + "]站到达" + "\n";
R++;
}
}
}
}
EndLineTable.Clear();
}
}
}
ChangeSTable.Clear();
}
LineStopsTable.Clear();
}
}
//判断哪条换乘线最适合
for (int n = 1; n < R; n++)
{
if (SumStops[n] < SumStops[MinR])
{
MinR = n;
}
}
BusCommandText.Text = BusCommandText.Text + "推荐换乘路线：" + "\n" + "先" + FirstDir[MinR] + "方向上乘坐【" + FirstLine[MinR] + "】[" + FirstNum[MinR] + "]站到达【" + ChangeStopN[MinR] + "】后在" + SecondDir[MinR] + "方向上换乘【" + SecondLine[MinR] + "】[" + SecondNum[MinR] + "]站到达";
//**********************************************显示推荐线路************************************************
//第一条
if (R != 0)
{
int startUse = BNStart[MinR];
if (BNStart[MinR] != 1)
{
startUse = BNStart[MinR] - 1;
}
string ShowDirSR = "select ID,N,E,Num,Note,BNum from buslinesshow where (BLName='" + FirstLine[MinR] + "') and (Note=" + FirstDir[MinR] + ") and (BNum in(" + startUse;
//如果只有一站
if (FirstNum[MinR] == 1)
{
ShowDirSR = ShowDirSR + "))";
}
//多个站
if (FirstNum[MinR] > 1)
{
for (int q = startUse + 1; q < BNChange1[MinR]; q++)
{
ShowDirSR = ShowDirSR + "," + q;
}
ShowDirSR = ShowDirSR + "))";
}
MySqlDataAdapter show1 = new MySqlDataAdapter(ShowDirSR, connection_);
DataTable showTable1 = new DataTable();
show1.Fill(showTable1);
int showCount = showTable1.Rows.Count;
for (int p = 0; p < showCount; p++)
{
N[p] = double.Parse(showTable1.Rows[p][1].ToString());
E[p] = double.Parse(showTable1.Rows[p][2].ToString());
}
//画点
int jungleStop = 0;
for (int k = 0; k < showCount; k++)
{
jungleStop = int.Parse(showTable1.Rows[k][3].ToString());
if (jungleStop == 1)
{
axMap1.DrawPointEx(linehandle, E[k], N[k], 8, 1);
}
}
axMap1.DrawPointEx(linehandle, E[showCount - 1], N[showCount - 1], 8, 1);
//画线
for (int n = 0; n < showCount - 1; n++)
{
axMap1.DrawLineEx(linehandle, E[n], N[n], E[n + 1], N[n + 1], 2, 1);
}
//第二条
int startUse2 = BNChange2[MinR];
//if (BNStart[MinR] != 1 && SecondNum[MinR] != 1)
//{
// startUse2 = BNChange2[MinR] - 2;
//}
string ShowDirSR2 = "select ID,N,E,Num,Note,BNum from buslinesshow where (BLName='" + SecondLine[MinR] + "') and (Note=" + SecondDir[MinR] + ") and (BNum in(" + startUse2;
//如果只有一站
if (SecondNum[MinR] == 1)
{
ShowDirSR2 = ShowDirSR2 + "))";
}
//多个站
if (SecondNum[MinR] > 1)
{
for (int q = startUse2 + 1; q < BNEnd[MinR]; q++)
{
ShowDirSR2 = ShowDirSR2 + "," + q;
}
ShowDirSR2 = ShowDirSR2 + "))";
}
MySqlDataAdapter show2 = new MySqlDataAdapter(ShowDirSR2, connection_);
DataTable showTable2 = new DataTable();
show2.Fill(showTable2);
int showCount2 = showTable2.Rows.Count;
for (int p = 0; p < showCount2; p++)
{
N2[p] = double.Parse(showTable2.Rows[p][1].ToString());
E2[p] = double.Parse(showTable2.Rows[p][2].ToString());
}
//画点
int jungleStop2 = 0;
for (int k = 0; k < showCount2; k++)
{
jungleStop2 = int.Parse(showTable2.Rows[k][3].ToString());
if (jungleStop2 == 1)
{
axMap1.DrawPoint(E2[k], N2[k], 8, 200);
}
}
axMap1.DrawPointEx(linehandle, E2[showCount2 - 1], N2[showCount2 - 1], 8, 200);
//画线
for (int n = 0; n < showCount2 - 1; n++)
{
axMap1.DrawLineEx(linehandle, E2[n], N2[n], E2[n + 1], N2[n + 1], 2, 200);
}
}
if (R == 0)
{
MessageBox.Show("路线超出大学城范围，建议转换其他方式或站点");
}
}
#endregion
}